JP2001257621A - Wireless mobile communication unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wireless mobile communication unit having even a plurality of wireless communication sections that can hardly cause wireless interference between the wireless communication sections. SOLUTION: The wireless mobile communication unit 100 having a plurality of the wireless communication sections 110, 120, 130 respectively adopting different communication systems is provided with a main control circuit 140 as a communication control means that inhibits transmission of the other wireless communication section 130 for a transmission period of the 1st wireless communication section 120. Furthermore, the communication control means 140 brings the wireless communication section 120 other than the 1st wireless communication unit 120 to a reception mode for the transmission period of the 1st wireless communication section 120.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for notifying a distant service providing company of GPS reception data captured by a built-in GPS receiver through a public line using a radio such as a mobile phone, and issuing an alert from the GPS reception data. The present invention relates to a portable wireless communication device used for a system that detects the position of a contracted customer and provides an emergency service according to the contents of the contract.

[0002]

2. Description of the Related Art A conventional portable radio communication device will be described with reference to FIGS. FIG. 12 is a block diagram showing a portable wireless communication device. FIG. 13 is an explanatory diagram showing an example of use of a conventional portable wireless communication device in a service system of an emergency notification system.

As shown in FIG. 12, a portable wireless communication device 100 has a plurality of wireless communication units 110, 120, and 130. The radio communication unit 110 includes a GPS antenna 111 for receiving GPS, a radio circuit 112 for converting a wave received by the GPS antenna 111 into an electric signal and outputting the electric signal, and a radio circuit 1
Control circuit 11 for performing various controls in accordance with the output signal of
3 is provided.

The radio communication unit 120 includes an antenna 121 for both transmission and reception, and converts a wave received by the antenna 121 into an electric signal and outputs the electric signal, or converts the electric signal and outputs the electric signal.
And a control circuit 123 that performs various controls in accordance with input / output signals between the wireless circuit 122 and the wireless circuit 122.

[0005] The radio communication unit 130 includes an antenna 131 for both transmission and reception, and converts a wave received by the antenna 131 into an electric signal and outputs the electric signal, or converts the electric signal and outputs the electric signal.
The wireless communication circuit 132 is configured to include a wireless circuit 132 that outputs a wave to the wireless circuit 132 and a control circuit 133 that performs various controls in accordance with input / output signals between the wireless circuit 132. The plurality of wireless communication units 110, 120, and 130 are provided in a portable-sized terminal to constitute a single portable wireless communication device 100.

An example of using such a portable radio communication device 100 will be described with reference to FIG. FIG. 13 illustrates an example in which the portable wireless communication device 100 is used for the service system of the emergency notification system.
Is a subscriber mobile terminal owned by a subscriber subscribing to the service system. In this service system, AMPS (Adv
packet data communication (CDPD: Cellular Digital Packe) in the mobile phone network of anced Mobile Phone Service
t Data) and GPS (Global Positioning System: Global P)
ositioning system).

[0007] The portable person (subscriber) of the portable radio communication device 100 is a person who needs to provide emergency treatment and relief wherever he is. The portable wireless communication device 100 is a GPS satellite 2
The satellite signal from 00 (210, 220, 230) is received, and the control circuit 113 can calculate the current position.
The portable wireless communication device 100 includes a control circuit 123
And the base station 300 in the AMPS mobile telephone network can be provided with the packet data communication of the CDPD service.

The base station 300 can communicate with the service company center station C through the CDPD network N. When the user (subscriber) of the portable wireless communication device 100 wants to have emergency assistance in a heart attack or the like, the user operates the button on the outer surface of the portable wireless communication device 100 to obtain the satellite wave from the GPS satellite 200. The current position coordinates are calculated, and an emergency transmission is performed from the wireless communication unit 120 to the base station 300 together with the calculation result, and the CDP
An emergency call arrives at the service company center station C via the D network N. The service company center station C runs the emergency vehicle K to the person carrying the portable wireless communication device 100, depending on the current position of the portable wireless communication device 100 notified.

Here, the current position of the carrier (service subscriber) is calculated by the wireless communication unit 110. For example, the GPS information received by the wireless communication unit 110 is converted to a CDP.
It is also conceivable to transmit to the service company center station C via the D network N and calculate the current position of the mobile phone (service subscriber) at the service company center station C.

[0010] In addition, in case that a person who should be carrying the portable wireless communication device 100 has left the portable wireless communication device 100 in his / her own car, for example, the portable wireless communication device 100 is not provided. Further, a small remote controller 400 is prepared. This remote control slave 400
Is always portable as if it were a key ring, and is capable of controlling the portable wireless communication device 100 by weak radio waves.

The remote controller 400, for example, emits a radio signal wave indicating a command to the radio communication unit 130 when a button on its surface is operated, and thereafter, the radio communication unit 13
A wireless signal wave from 0 to confirm the contact is received.

[0012] In the portable radio communication device 100, as described above, the radio communication unit 110 performs the receiving function of performing the GPS reception, and the radio communication unit 120 performs the CDPD communication with the base station 300. The communication function to be performed and the remote control communication between the remote control slave 400 and the wireless communication unit 130 are performed. That is, the portable wireless communication device 100 performs three reception functions or communication functions with the communication function by one terminal as independent work. GPS reception, CDPD communication, and remote control remote control communication are performed using completely different modulation schemes and transmission protocols.

[0013]

However, in the above-mentioned conventional portable radio communication device 100, the plurality of radio communication units 110, 120, and 130 are arranged so as to be accommodated as a single portable terminal. When the transmission timing of a certain wireless communication unit and the reception timing of another wireless communication unit overlap, there is a problem that a signal being received is disturbed, and a report failure or incorrect data reception occurs. In addition, a similar problem occurs when transmission timings of the respective wireless communication units overlap. In order to solve this problem, structural measures are taken to widen the arrangement intervals of the antennas 111, 121, 131. However, since the portable wireless communication device 100 needs to be formed in a portable size in the first place, There is a limit to the size of the arrangement interval between the antennas 111, 121, and 131, and a plurality of wireless communication units 110, 12
In order to suppress the mutual interference between 0 and 130, another device was required.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problem, and an object of the present invention is to provide a portable telephone having a plurality of wireless communication units which does not easily cause wireless interference between the wireless communication units. To provide a wireless communication device.

[0015]

According to a first aspect of the present invention, there is provided a portable wireless communication apparatus having a plurality of wireless communication units having different communication systems. A communication control unit for prohibiting transmission of another wireless communication unit during a transmission period of the first wireless communication unit.

In the portable radio communication apparatus according to the second aspect, the communication control means may include a communication control means for transmitting the first radio communication section other than the first radio communication section during the transmission period of the first radio communication section. The wireless communication unit is set to a reception mode.

According to a third aspect of the present invention, in the portable wireless communication apparatus according to the first aspect, the communication control means includes a communication control unit for transmitting the first wireless communication unit during a transmission period of the first wireless communication unit. Power supply to the wireless communication unit is stopped.

According to a fourth aspect of the present invention, in the portable wireless communication device according to any one of the first to third aspects, the communication control means includes a first wireless communication unit among the plurality of wireless communication units. Is forcibly set to the transmission mode from the external communication device of the portable wireless communication device, detects whether any of the other wireless communication units is in the transmission mode, and detects whether the other wireless communication unit is in the transmission mode. If any of them were in transmission mode, the second
The second wireless communication unit is returned to the transmission mode to the external communication device after the transmission of the first wireless communication unit is completed.

According to a fifth aspect of the present invention, there is provided the portable wireless communication apparatus according to any one of the first to fourth aspects, further comprising a reception data storage section for storing reception data of the wireless communication section wirelessly received. If there is received data that is already being received by the wireless communication unit other than the first immediately before the first wireless communication unit switches to the transmission mode, the communication control unit stores the received data that is being received in the received data storage unit. Is stored.

According to a sixth aspect of the present invention, there is provided the portable wireless communication apparatus according to the fifth aspect, further comprising a reception data storage section for storing reception data wirelessly received by the wireless communication section. The control means detects whether or not there is a wireless communication unit other than the first wireless communication unit in the reception mode immediately before the first wireless communication unit switches to the transmission mode, and switches to the reception mode among the first wireless communication units. If there is any data, it is recognized as a third wireless communication unit, and before and after the end of the transmission of the first wireless communication unit, it is compared whether received data received by the third wireless communication unit match. It is characterized by.

According to a seventh aspect of the present invention, there is provided the portable wireless communication apparatus according to any one of the first to fourth aspects, further comprising a reception data storage section for storing reception data of the wireless communication section wirelessly received. The communication control unit, if there is received data that is already being received by another wireless communication unit immediately before the first wireless communication unit switches to the transmission mode, deletes the received data that is being received from the received data storage unit. It is characterized by doing.

[0022]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a first embodiment of a portable radio communication apparatus according to the present invention will be described with reference to FIGS. 1 to 3 and FIG. 13, and a second embodiment will be described with reference to FIGS. Based on FIGS. 5 and 5, the third embodiment will be described with reference to FIGS.
The embodiment will be described with reference to FIGS.

The portable radio communication devices described below are the same as those of the above-mentioned conventional portable radio communication device unless otherwise specified.

[First Embodiment] FIG. 1 is a block diagram illustrating a portable radio communication device, and FIG. 2 is a block diagram illustrating a portable radio communication device and related equipment (wireless remote controller). FIG. 3 is a timing chart for explaining each operation of the portable wireless communication device and the related device (wireless remote controller). FIG. 11 is a diagram used in a conventional example, and is an explanatory diagram of a service system of an emergency call system as an example.

The portable wireless communication device 100 has a plurality of wireless communication units 110, 120, and 130. Wireless communication unit 1
10 is a GPS antenna 111 for receiving GPS,
A GPS receiver (wireless circuit) 112 that converts a wave received by the PS antenna 111 into an electric signal and outputs the electric signal, and a control circuit 1 that performs various controls in accordance with an output signal of the GPS receiver 112
13 are provided. However, the control circuit 113
Functions as a part of the main control circuit 140.

The radio communication unit 120 includes a CDPD for both transmission and reception.
Antenna 121 and a CDPD modem unit (wireless circuit) 122 that demodulates a received signal at CDPD antenna 121 and outputs received data or outputs a transmission signal modulated with transmission data to CDPD antenna 121.
And a control circuit 123 for performing various controls according to input / output signals between the CDPD modem unit 122 and the CDPD modem unit 122. However, the control circuit 123 functions as a part of the main control circuit 140.

It should be noted that the CDPD modem unit 122
It comprises an RF section of PD and a modulation / demodulation circuit section. The wireless communication unit 130 includes a remote control antenna 13 for both transmission and reception.
1, a wireless remote controller (radio circuit) 132 for demodulating a received signal at the remote controller antenna 131 and outputting received data or outputting a modulated signal with the transmitted data to the remote controller antenna 131; And a control circuit 133 for performing various controls in accordance with input / output signals between the wireless remote controller 132 and the wireless remote controller 132. However, the control circuit 133 includes the main control circuit 140
Functions as part of

As shown in FIG. 1, the control circuits 113 and 12
3 and 133 are integrated so as to function as a part of the main control circuit 140. The main control circuit 140 includes a plurality of wireless communication units 110, 120, and 13 each having a different communication method.
In the portable wireless communication device 100 having 0, the communication control unit prohibits transmission of another wireless communication unit during the transmission period of the first wireless communication unit (one of 110, 120, and 130). These plurality of wireless communication units 110, 120,
A single portable wireless communication device 100 is configured by providing 130 in a portable terminal.

As further shown in FIG. 2, the portable radio communication device 100 includes a GPS antenna 111, a GPS receiver (radio circuit) 112, a CDPD antenna 121,
DPD modem section (wireless circuit) 122, remote control antenna 131, wireless remote control base unit (wireless circuit) 13
2. In addition to the main control circuit 140, a GPS which is controlled by the main control circuit 140 and supplies power to the GPS receiver 112
Power supply 150, CDPD controlled by main control circuit 140
Modem power supply 15 for supplying power to modem section 122
1. A remote control power supply 152 controlled by the main control circuit 140 to supply power to the wireless remote control main unit 132, a keypad 16 which is a group of external operation input keys
0, a liquid crystal display 161 for displaying operation contents and various states, a buzzer 162 for generating a confirmation sound when operating keys, a charging circuit 163 for charging a secondary battery, and a power supply for supplying power to the main control circuit 140. The secondary battery 164 is provided.

The main control circuit 140 includes the GPS receiver 11
2, the CDPD modem unit 122, the wireless remote control master unit 132, and the keypad 160 are constantly monitored, and if an input is received from any of them, a process corresponding to the input is performed. Portable wireless communication device 100 configured as above
Will be described below with reference to FIGS. 2, 3, and 13. FIG.

FIG. 3 is a timing chart showing an example of the communication operation of the portable radio communication device 100.
(a) shows the communication operation of the CDPD modem unit 122, and (b) shows the GP operation.
(C) shows the communication operation of the wireless remote controller master unit 132, and (d) shows the communication operation of the wireless remote controller slave unit 400. As described above, the control circuits 113, 123, and 133 are integrated as a part of the main control circuit 140, and the other wireless communication units (one of 110, 120, and 130) transmit other signals during the transmission period. The transmission operation of the wireless communication unit is prohibited.

The CDPD modem unit 122 operates in the sleep mode (period A shown in FIG. 3), and periodically performs intermittent transmission / reception operations with the base station 300 by timer management. On the other hand, the wireless remote control base unit 132
Is a wireless remote controller 4 that performs intermittent reception.
It is waiting for a radio alert from 00. Further, the GPS receiver 112 is in a GPS reception standby state.

The subscriber who is to carry the portable wireless communication device 100 (in the period B shown in FIG. 3 after the period A shown in FIG. 3) is required to carry the portable wireless communication device 100 and the wireless remote controller 400. Of the two, at least the wireless remote controller 400 is always carried. When a health abnormality occurs in the subscriber, the subscriber operates and inputs an operation button of the keypad 160 of the portable wireless communication device 100. Then, the CDPD modem unit 122 operating in the sleep mode starts to be activated. Here, the subscriber
Instead of operating the operation buttons of the keypad 160, the operation buttons of the wireless remote control slave 400 are operated and input. Then, the wireless remote control handset 400 issues a notification to the portable wireless communication device 100, and the wireless remote control main unit 132 receives (detects) the notification and notifies the main control circuit 140, and indicates that the reception has been completed. AC
A K (Acknowledge Character) signal is returned to the wireless remote control handset 400.

(In period C shown in FIG. 3 after period B shown in FIG. 3), main control circuit 140 determines that an operation input has been made on keypad 160 or that
When it is detected that there is an operation input at 0, registration is performed to switch the CDPD modem unit 122 from the sleep mode to the transmission / reception mode. The operation of wireless remote controller 132 is set to the intermittent reception mode.

(During the period D shown in FIG. 3 following the period C shown in FIG. 3), the CDPD modem unit 122 transmits the NTP (Network Ti
me Protocol) server and NTP (Network Time)
Protocol) data acquisition.

(During period E shown in FIG. 3 following period D shown in FIG. 3) GPS receiving section 112 receives GPS data from GPS satellite group 200. During this time, the CDPD modem unit 122 is in a standby state.

The main control circuit 140 causes the CDPD modem unit 122 to transmit the GPS data acquired by the GPS receiving unit 112 (in the period F shown in FIG. 3 following the period E shown in FIG. 3). G transmitted from CDPD modem unit 122
The PS data is transmitted to the service company center station C via the base station 300.

When the main control circuit 140 confirms the completion of the GPS data transmission (after the period F shown in FIG. 3 and the period A shown in FIG. 3), after a predetermined time, similarly to the sleep state in the period A, the main control circuit 140 performs CDPD. The modem unit 122 is operated in the sleep mode, the GPS reception unit 112 is set in the GPS reception standby state, and the operation of the wireless remote controller main unit 132 is maintained in the intermittent reception mode.

In this way, the service company center station C receiving the report from the subscriber calculates the position coordinates of the portable radio communication device 100 based on the GPS reception data.
The destination position can be designated to the emergency vehicle K using the calculated position coordinates as the position coordinates of the portable wireless communication device 100, that is, the position coordinates of the subscriber. Note that the periods C, D, and F described here represent periods until a series of packet communication between the CDPD modem unit 122 and the base station 300 ends, and the periods C, D, and F The number of transmissions and the number of replies during each period are not limited.

That is, according to the present embodiment, a plurality of wireless communication units 110, 120, and 130 having a transmission / reception function are controlled by one communication control unit (main control circuit 140) to monitor the communication state. When a certain wireless communication unit is transmitting, the other wireless communication units are set in a reception standby state so that each communication state is controlled by communication control means (main control circuit 140).
Therefore, it is possible to prevent the transmission timings of the respective wireless communication units from being duplicated and interfering with each other.

In the above embodiment, the control circuit 1
13, 123, and 133 exemplify a unit integrated so as to function as a part of the main control circuit 140, but the present embodiment is not limited to this, and a plurality of control circuits are the same as those shown in the conventional example. The main control circuit may be a separate one that manages the operations of the plurality of control circuits.

[Second Embodiment] FIG. 2 is a block diagram illustrating the first embodiment, FIG. 4 is a block diagram illustrating a portable radio communication device, and FIG. 5 is a portable radio communication device. FIGS. 6A and 6B are timing charts illustrating operations of the wireless remote controller and the related devices (wireless remote controller). FIG. 5A illustrates a transmission operation of the wireless remote controller 400, FIG. (c) shows the transmission operation of the wireless remote controller 132, (d) shows the receiving operation of the wireless remote controller 132, and (e) shows the transmitting operation of the CDPD modem unit 122.

The portable radio communication apparatus according to the second embodiment differs from the portable radio communication apparatus according to the first embodiment in that the communication control means includes a first radio communication unit. In the transmission period, the power supply to the wireless communication units other than the first wireless communication unit is stopped instead of fixing the wireless communication units other than the first wireless communication unit to the reception mode. As shown in FIG. 2, the hardware configuration of the portable wireless communication device 100 is not changed from the block diagram shown in the description of the first embodiment.

In FIG. 5, in the first period A of the description of FIG. 3 in the first embodiment, an alert is issued from wireless remote control slave 400 during intermittent reception of wireless remote control master 132. It represents the state of being. As shown in FIG. 5 (a), the wireless remote controller 400 emits an alarm signal in which four repetitive data are continuously transmitted in one alarm.

The wireless remote controller 132 returns an ACK (Acknowledge Character) signal indicating completion of reception to the wireless remote controller 400. Conventionally, the transmission timing of this ACK signal and the C
The timing of the forced transmission by the DPD modem unit 122 may overlap. CDPD modem section 12
2 means that the CDPD modem unit 122 performs transmission in response to a request from the base station 300.
Because of the importance of the emergency call of CDPD communication, it must be given priority. If the transmission timing of the ACK signal and the timing of the forced transmission by the CDPD modem unit 122 overlap, the wireless remote controller 4
In the case of 00, the receiving sensitivity may be reduced and the receiving may not be performed correctly.

After one alarm, the wireless remote controller 400 sets the standby period for receiving the ACK signal to AC
It is long enough to process the K signal several times. If the transmission timing (period) of the ACK signal by the wireless remote controller main unit 132 and the transmission timing (period) of the forced transmission by the CDPD modem unit 122 overlap, the main control circuit 140 supplies the power to the remote control power source 152. By stopping the supply, the wireless remote controller 13
2 power supply to the wireless remote control master unit 1
32, the CDPD modem unit 12 is stopped.
Thus, the forced transmission by 2 is performed preferentially and reliably.

The main control circuit 140 is the CDPD modem unit 1
After confirming that the forced transmission by 22 has been completed, the power supply to the remote control power source 152 is restarted to restart the power supply to the wireless remote control base unit 132,
The operation of the wireless remote control main unit 132 is restored, and the process of transmitting the ACK signal is newly performed.

As described above, when any one of the wireless communication units is transmitting, by stopping the power supply to the other wireless communication unit, it is possible to prevent a plurality of wireless communication units from performing the transmission operation at the same time. Not only is it possible, but also the transmission periods C, D, F and the GPS reception period E of the CDPD modem unit 122 in FIG.
By stopping the power supply to the remote control power supply 152 in the above, the power supply to the wireless remote control base unit 132 is stopped, so that the average power consumption of the entire portable wireless communication device 100 can be suppressed.

In the above-described embodiment, the wireless remote controller 400 is configured to emit an alarm signal in which four repetitive data are continuously transmitted in one alarm. The present invention is not limited to this, and the number of continuous transmissions of repeated data in one alarm may be any number other than four.

[Third Embodiment] FIG. 6 is a block diagram illustrating a portable radio communication device, and FIG. 7 is a block diagram illustrating a portable radio communication device and related equipment (wireless remote controller). FIGS. 8A and 8B are timing charts for explaining each operation of the portable wireless communication device and the related device (wireless remote controller). FIG. 8A shows the transmission operation of the wireless remote controller 400, and FIG.
32, (c) shows the transmission operation of the CDPD modem unit 122, and (d) shows the transmission operation of the wireless remote controller master unit 132.

The portable wireless communication apparatus of the third embodiment is different from the portable wireless communication apparatus of the second embodiment in that the portable wireless communication apparatus stores received data of the wireless communication unit wirelessly received. A communication control unit that, if there is received data that is already being received by a wireless communication unit other than the first wireless communication unit immediately before the first wireless communication unit switches to the transmission mode, the received data during the reception is received. The configuration is such that data is stored in the reception data storage unit. The hardware configuration of the portable wireless communication device 100 is the same as that shown in FIG. 7 except that a storage circuit 170 corresponding to a reception data storage unit is added to the block diagram shown in the description of the first embodiment. No major changes.

While the wireless remote control main unit 132 is receiving a signal from the wireless remote control
When the modem unit 122 starts a transmission operation in order to respond to an external call, the main control circuit 140 suspends reception and stores received data before transmission in the storage circuit 170. After the transmission of the CDPD modem unit 122 is completed,
A signal indicating the completion of the reception is returned to the wireless remote controller 400, and the wireless remote controller 400 returns to the intermittent reception state. Note that the portable wireless communication device 100 that has received the notification from the wireless remote control handset 400 starts a series of operations of the emergency notification service shown in the first embodiment.

As described above, the reception data storage unit for storing the reception data wirelessly received by the wireless communication unit is provided, and the communication control unit performs the wireless communication other than the first wireless communication immediately before the first wireless communication unit switches to the transmission mode. If the received data is already being received by the unit, the received data that is being received is stored in the received data storage unit, so that the received data immediately before transmission by another receiving wireless communication unit is stored. By doing so, the stored received data portion can be used later.

[Fourth Embodiment] FIG. 9 is a block diagram illustrating a portable radio communication device, and FIG. 10 is a block diagram illustrating a portable radio communication device and related equipment (wireless remote controller). 11A and 11B are timing charts for explaining the respective operations of the portable wireless communication device and the related device (wireless remote controller). FIG. 11A shows the transmission operation of the wireless remote controller 400, and FIG. (C) shows the CDPD modem unit 122
(D) shows the transmission operation of the wireless remote control master unit 132.

The portable radio communication apparatus according to the fourth embodiment is different from the portable radio communication apparatus according to the third embodiment in that the communication control means comprises a first radio communication unit. Immediately before switching to the transmission mode, the wireless communication unit other than the first wireless communication unit detects whether or not there is one in the reception mode.
If any of the other wireless communication units were in the reception mode, they were recognized as the third wireless communication unit, and the received data received by the third wireless communication unit before and after the end of the transmission by the first wireless communication unit This is a configuration for comparing whether or not they match. As shown in FIG. 9, the hardware configuration of the portable wireless communication device 100 is not largely changed except that a comparison circuit 180 is added to the block diagram described in the third embodiment.

When the CDPD modem unit 122 responds to an external call while the wireless remote controller main unit 132 is receiving a signal from the wireless remote controller 400, the transmission operation is started. The data is stored in the storage circuit 170. CDPD modem section 12
After the transmission of 2 is completed, the wireless remote control main unit 132 returns to the receiving state again and receives the remaining data. The data stored in the storage circuit 170 in advance is compared with the data obtained this time, and if they match, a signal indicating the completion of normal reception is returned to the wireless remote controller 400, and the state returns to the intermittent reception state again. Note that the portable wireless communication device 100 that has received the notification from the wireless remote control handset 400 starts a series of operations of the emergency notification service described in the first embodiment.

As described above, the storage device for storing the received data of one or more wireless communication units is provided, and any one of the wireless communication units is in the transmission state, and the storage circuit storing the received data immediately before the transmission is newly added to the storage circuit. And a comparison circuit that compares the received data with the received data, it is possible to improve communication reliability. In the portable wireless communication device according to the above-described embodiment, the communication control unit determines whether there is received data already being received by another wireless communication unit immediately before the first wireless communication unit switches to the transmission mode. For example, the received data that is being received may be deleted from the received data storage unit. With this configuration, the received data of the other wireless communication unit being received is automatically discarded, so that it is possible to prevent a malfunction using data that may have been erroneously received.

Although the above embodiments have been described on the assumption that wireless remote control transmission and CDPD transmission occur at the same timing, the present invention is not limited to this.
It is applicable if a situation where multiple transmission operations occur at the same timing.

[0059]

According to the first aspect of the present invention, in a portable wireless communication apparatus having a plurality of wireless communication units each having a different communication system, the other wireless communication unit transmits the other wireless communication unit during the transmission period of the first wireless communication unit. Since the communication control means for inhibiting the transmission of the wireless communication unit is provided, even if a plurality of wireless communication units are provided, it is possible to prevent the occurrence of wireless interference between the wireless communication units.

In the invention according to claim 2, claim 1
In addition to the effects of the described invention, the communication control means, during the transmission period of the first wireless communication unit, so as to put the first wireless communication unit in the reception mode, the first wireless communication unit,
Even if transmission is not possible, only reception can be performed. .

In the invention according to claim 3, claim 1
Or, in addition to the effect of the invention described in 2, the communication control means includes:
During the transmission period of the first wireless communication unit, the power supply to the other wireless communication units is stopped, so that the operation of the other wireless communication units can be reliably stopped, causing interference. It is possible to provide a suitable portable wireless communication device with high reliability.

According to the fourth aspect of the present invention, there is provided the first aspect.
In addition to the effects of the inventions described in the first to third aspects, the communication control unit may include: when the first wireless communication unit among the plurality of wireless communication units is forcibly set to the transmission mode from the external communication device of the portable wireless communication device, Detect whether any of the wireless communication units other than the first was in the transmission mode, and if any of the wireless communication units other than the first were in the transmission mode, recognize them as the second wireless communication unit. After the transmission of the first wireless communication unit is completed, the second wireless communication unit is returned to the transmission mode to the external communication device, so that the collision of a plurality of transmissions can be more reliably prevented.

In the invention according to claim 5, claim 1 is
In addition to the effects of the inventions described in the first to fourth aspects, a reception data storage unit that stores reception data wirelessly received by the wireless communication unit is provided,
Communication control means, if there is already received data in the middle of receiving in the wireless communication unit other than the first just before the first wireless communication unit switches to the transmission mode, the received data in the middle of the reception,
Since the received data is stored in the received data storage unit, the received data immediately before transmission of another receiving wireless communication unit can be stored, and the stored received data portion can be used later.

In the invention according to claim 6, claim 5
In addition to the effects of the invention described above, a reception data storage unit for storing reception data wirelessly received by the wireless communication unit is provided, and the communication control unit is configured to switch the first wireless communication unit to a mode other than the first immediately before switching to the transmission mode. It is detected whether any of the wireless communication units was in the reception mode. If any of the wireless communication units other than the first was in the reception mode, it was recognized as a third wireless communication unit. Before and after the end of the transmission by the wireless communication unit, whether the received data received by the third wireless communication unit matches each other or not is compared. By comparing the stored received data storage unit with the newly received data, communication reliability can be improved.

In the invention according to claim 7, claim 1 is
In addition to the effects of the inventions described in the first to fourth aspects, a reception data storage unit that stores reception data wirelessly received by the wireless communication unit is provided,
The communication control unit, if there is received data that is already being received by another wireless communication unit immediately before the first wireless communication unit switches to the transmission mode, deletes the received data that is being received from the received data storage unit With this configuration, the received data of the other wireless communication unit currently being received is automatically discarded, so that it is possible to prevent a malfunction using data that may have been erroneously received.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a portable wireless communication device according to a first embodiment of the present invention.

FIG. 2 is a block diagram illustrating a portable wireless communication device and related devices (wireless remote control handset) according to the first embodiment.

FIG. 3 is a timing chart illustrating the operation of the portable wireless communication device and the related device (wireless remote controller) according to the first embodiment.

FIG. 4 is a block diagram illustrating a portable wireless communication device according to a second embodiment of the present invention.

FIG. 5 is a timing chart illustrating the operation of the portable wireless communication device and related devices (wireless remote controller) according to the first embodiment.

FIG. 6 is a block diagram illustrating a portable wireless communication device according to a third embodiment of the present invention.

FIG. 7 is a block diagram illustrating a portable wireless communication device and related devices (wireless remote controller) according to the first embodiment.

FIG. 8 is a timing chart illustrating the operation of the portable wireless communication device and the related device (wireless remote controller) according to the first embodiment.

FIG. 9 is a block diagram illustrating a portable wireless communication device according to a fourth embodiment of the present invention.

FIG. 10 is a block diagram illustrating a portable wireless communication device and related devices (wireless remote controller) according to the first embodiment.

FIG. 11 is a timing chart illustrating the operation of the portable wireless communication device and the related device (wireless remote controller) according to the first embodiment.

FIG. 12 is a block diagram showing a conventional portable wireless communication device.

FIG. 13 is an explanatory diagram showing a case where the portable wireless communication device is used in a service system of an emergency notification system as an example of use.

[Explanation of symbols]

 REFERENCE SIGNS LIST 100 portable wireless communication device 110, 120, 130 wireless communication unit 120 first wireless communication unit 130 second wireless communication unit 110, 130 third wireless communication unit 140 communication control unit 170 reception data storage unit

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Masayuki Matsuo 1048 Kadoma Kadoma, Osaka Prefecture Inside Matsushita Electric Works, Ltd. 72) Inventor Minoru Kanda 1048 Kazuma Kadoma, Kadoma City, Osaka Prefecture F-term in Matsushita Electric Works Co., Ltd. (reference) AA03 AA41 BB02 BB12 DD28 EE04 GG08 HH11 JJ52 JJ56

Claims (7)

[Claims] 1. A portable wireless communication device having a plurality of wireless communication units having different communication systems, wherein a communication control unit for inhibiting transmission of another wireless communication unit during a transmission period of a first wireless communication unit. A portable wireless communication device comprising: 2. The portable wireless communication device according to claim 1, wherein said communication control unit sets said wireless communication unit other than the first wireless communication unit to a reception mode during a transmission period of said first wireless communication unit. apparatus. 3. The portable communication device according to claim 1, wherein the communication control unit stops power supply to the wireless communication units other than the first wireless communication unit during a transmission period of the first wireless communication unit. Wireless communication device. 4. The communication control means, when a first wireless communication unit of the plurality of wireless communication units is forcibly set to a transmission mode from an external communication device of a portable wireless communication device, a communication mode other than the first wireless communication unit is set. The wireless communication unit detects whether there was any in the transmission mode, and if any of the wireless communication units other than the first one was in the transmission mode, it is recognized as the second wireless communication unit. 4. The portable wireless communication device according to claim 1, wherein the second wireless communication unit is returned to the transmission mode to the external communication device after the transmission of the first wireless communication unit is completed. 5. A reception data storage unit for storing reception data wirelessly received by the wireless communication unit, wherein the communication control unit is configured to switch the first wireless communication unit to a transmission mode other than the first immediately before switching to a transmission mode. 5. The portable wireless communication device according to claim 1, wherein if there is received data that is already being received by the wireless communication unit, the received data that is being received is stored in the received data storage unit. . 6. A reception data storage unit for storing reception data received wirelessly by said wireless communication unit, wherein said communication control means is configured to switch said first wireless communication unit to a transmission mode other than the first immediately before switching to a transmission mode. The wireless communication unit detects whether any of the wireless communication units was in the reception mode. If any of the other wireless communication units was in the reception mode, it was recognized as a third wireless communication unit. 6. The portable wireless communication device according to claim 5, wherein before and after the transmission of said wireless communication unit is completed, a comparison is made as to whether received data received by said third wireless communication unit match. 7. A reception data storage unit for storing reception data wirelessly received by the wireless communication unit, wherein the communication control unit performs another wireless communication immediately before the first wireless communication unit switches to a transmission mode. 5. The portable wireless communication device according to claim 1, wherein if there is received data that is already being received by the unit, the received data that is being received is deleted from the received data storage unit.