JP3226785B2 - Mobile phone terminal - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable telephone terminal provided with a communication line automatic disconnection device for automatically disconnecting a communication line at the end of data communication and used when performing data communication from a computer terminal via a modem. Things.

[0002]

2. Description of the Related Art In recent years, cellular telephone terminals such as cellular telephones have been rapidly developed, and the demand for them has been increasing year by year. Among them, today PHS (Personal Handyphone)
System) has been put into practical use, and has been receiving attention from various angles together with cellular.

Conventionally, a data transmission system of a data communication system includes, as shown in FIG. 5, a computer terminal 51 such as a personal computer for producing data for data communication, a modem 52 connected to the computer terminal 51, and a communication terminal. And a mobile phone terminal 53 (for example, PHS) for line connection.

The portable telephone terminal 53 includes an amplifier 54 and a P for digitally processing a signal from the modem 52.
A CM (Pulse-Code Modulation) encoder 55 and an ADPCM (Adapti) that compresses a data signal from the PCM encoder 55 based on some past data.
ve Differential PCM) encoder 56, a channel codec unit 57 for performing various signal processing, and a wireless unit 58 are sequentially connected.

According to the above configuration, the computer terminal 5
1 is transmitted to the amplifier 54 of the portable telephone terminal 53 via the modem 52. The data signal amplified by the amplifier 54 is sent to the PCM encoder 55 and digitized. The digitized data signal is compressed by the ADPCM encoder 56 and sent to the channel codec unit 57. Channel codec unit 5
7, TDMA (Time Division Multiple Access)
) And various signal processing such as TDD (Time Division Duplex). Thereafter, the data signal subjected to various signal processing is transmitted as a radio wave from the radio unit 58 via the antenna 59. Thus, the computer terminal 5
1 through the modem 52 and the mobile phone terminal 53 for data communication.

[0006]

By the way, at the end of the data communication in the conventional mobile phone terminal 53, for example, the user operates a predetermined key of the mobile phone terminal 53,
By pressing the power OFF key, the data communication line is artificially disconnected. Therefore, in the above-described conventional configuration, if the data communication line is not disconnected at the end of the data communication, for example, when the user forgets to press the power OFF key or makes a mistake in pressing the power OFF key, the power of the mobile phone terminal 53 is kept for a long time. It remains ON. As a result, there is a problem that unnecessary power is consumed after the end of data communication.

Further, in order to solve the above-mentioned problem, an existing communication line automatic disconnection device which is constituted by, for example, an IC (Integrated Circuit) or the like and automatically disconnects a data communication line at the end of data communication is provided by a portable telephone terminal. It is also conceivable to prepare for 53. However, the above-described device is complicated and expensive, and in this case, there is a problem that the cost of the mobile phone terminal 53 is significantly increased.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide a portable telephone terminal having a simple configuration and automatically disconnecting a data communication line when data communication is completed. To provide.

[0009]

[ MEANS FOR SOLVING THE PROBLEMS]
Band telephone terminal, in order to solve the above problems, computer
Data input from a data terminal via an analog modem
Mobile phone used for wireless communication of signals
Telephone terminal, input from the analog modem
At a predetermined cycle, it is determined whether the amplitude of the transmission signal is within a predetermined range.
Output amplitude detection means, and the amplitude detection means
A signal within a predetermined range is detected continuously at predetermined intervals.
Counting means for counting the number of detections
The count value of the counting means reaches a first predetermined value.
Control to disconnect the communication line when
Step and a predetermined range for the user to set the predetermined range.
And a range setting means .

According to the above configuration, the amplitude detecting means detects whether the amplitude of the transmission signal falls within a predetermined range in a predetermined cycle. Here, for example, a noise signal that is not necessary for communication has a small amplitude, so that the amplitude falls within the predetermined range. On the other hand, for example, since the data signal to be communicated has a predetermined amplitude, the amplitude does not fall within the predetermined range.

Here, when a signal whose amplitude falls within the predetermined range, that is, a signal indicating noise is continuously detected at predetermined intervals, the counting means counts the number of detections. When the count value of the counting means reaches the first predetermined value, the control means controls to disconnect the communication line. That is, when a noise signal unnecessary for communication is detected for a certain period of time, the communication line is automatically disconnected by the control means.

Therefore, according to the above configuration, for example,
At the end of data communication, the user turns on the mobile phone terminal.
I forgot to press the source OFF button or made a mistake
Communication even if the communication line is not disconnected
The line will be disconnected. This allows data communication
Ensure that unnecessary power is not consumed after termination
be able to.

At the end of data communication, conventionally,
Terminate the data communication of the computer terminal, and then
An operation of turning off the power of the terminal was required.
However, according to the above configuration, the data is
When communication is terminated, the communication line is automatically disconnected.
As in the past, mobile phone terminals after data communication
The power-off operation can be eliminated.

Further , according to the above-mentioned configuration, the conventional parts
Equipped with a communication line automatic disconnection device with a large number of parts and a complicated
Rather than a simple communication line of the configuration described above
Is automatically disconnected from the mobile phone terminal.
The cost of the device itself can be reduced.

Further , a predetermined range setting means is provided.
Therefore, the user can freely set the above specified range as necessary.
Can be set. This allows individual users,
Or to provide a mobile phone terminal according to the usage environment
Can be.

According to a second aspect of the present invention, in order to solve the above-mentioned problems, a portable telephone terminal receives an analog signal from a computer terminal.
Data signals input via the log modem are transmitted wirelessly.
A mobile phone terminal used for data communication by using a predetermined period for determining whether or not the amplitude of a transmission signal is within a predetermined range.
Amplitude detection means for detecting the
The signal within the above-mentioned predetermined range is continuously detected at predetermined periods.
When issued, a count that counts the number of detections
Means, and the count value of the counting means is a first predetermined value.
Control to disconnect the communication line when
Plug the earphone microphone into the jack.
Insertion detection means for detecting whether the
The control means receives the detection signal from the insertion detection means.
Judge that the above plug has been removed from the jack
After that, the count value of the counting means is changed to a second predetermined value.
Upon reaching it is characterized and this <br/> be controlled so as to disconnect the communication line.

According to the above arrangement, the amplitude detecting means can be used.
The amplitude of the transmission signal is within a predetermined range in a predetermined cycle.
Is detected. Where, for example,
Noise signals that are not necessary for communication have small amplitudes.
The amplitude falls within the predetermined range. Meanwhile, an example
For example, the data signal to be communicated has a certain amplitude.
Therefore, the amplitude does not fall within the predetermined range.

Here, when the amplitude falls within the predetermined range,
Signal, that is, a signal indicating noise, at predetermined intervals
When detection is continuously performed, the counting means counts the number of detections.
Count. The count value of the counting means is
When a predetermined value of 1 is reached, the control means disconnects the communication line.
Control. In other words, noise signals that are not necessary for communication
If a certain time is detected, the communication
The line will be cut automatically.

Therefore, according to the above configuration, for example,
At the end of data communication, the user turns on the mobile phone terminal.
I forgot to press the source OFF button or made a mistake
Communication even if the communication line is not disconnected
The line will be disconnected. This allows data communication
Ensure that unnecessary power is not consumed after termination
be able to.

In addition, at the end of data communication,
Terminate the data communication of the computer terminal, and then
An operation of turning off the power of the terminal was required.
However, according to the above configuration, the data is
When communication is terminated, the communication line is automatically disconnected.
As in the past, mobile phone terminals after data communication
The power-off operation can be eliminated.

Further , according to the above-mentioned configuration, the conventional parts
Equipped with a communication line automatic disconnection device with a large number of parts and a complicated
Rather than a simple communication line of the configuration described above
Is automatically disconnected from the mobile phone terminal.
The cost of the device itself can be reduced.

Also, the plug of the earphone microphone is
If the plug is once inserted into the
That the count value by the unt means has reached a second predetermined value.
Control to disconnect the communication line. In other words, above
If you use the plug described above in the jack,
The communication line is automatically disconnected based on the insertion status.
Become so.

Therefore, according to the above configuration, for example,
Power off by user at the end of data communication
Even if not plugged in,
As a result, the communication line is disconnected.
It can also respond to forgetting to turn off the power when using a microphone
You.

According to a third aspect of the present invention, in order to solve the above-mentioned problem, in addition to the configuration of the first or second aspect, a predetermined cycle setting means for setting the predetermined cycle by a user side. It is characterized by having.

According to the above configuration, in addition to the configuration of the first or second aspect, the predetermined period setting means is provided, so that the user can freely set the predetermined period as needed. Becomes This makes it possible to provide a mobile phone terminal according to each user or usage environment.

According to a fourth aspect of the present invention, in order to solve the above-mentioned problem, in addition to the configuration of the first, second or third aspect , the user sets the first predetermined value.
And a predetermined value setting means for setting the value .

According to the above construction, there are provided the first and second aspects.
Is provided with predetermined value setting means in addition to the configuration of 3.
Therefore, the user can freely set the first predetermined value as needed.
It can be set. This allows individual users
Providing a mobile phone terminal according to the user or usage environment
be able to.

According to a fifth aspect of the present invention, in order to solve the above-mentioned problem, in addition to the configuration of the second, third, or fourth aspect, the user sets the second predetermined value. Is provided.

According to the above configuration, in addition to the configuration of the second, third, or fourth aspect, the predetermined value setting means is provided, so that the user can freely set the second predetermined value as needed. It can be set. This makes it possible to provide a mobile phone terminal according to each user or usage environment.

Further, if the second predetermined value is set smaller than the first predetermined value by the predetermined value setting means, the line disconnection after the plug of the earphone microphone is disconnected from the jack. Can be further reduced. As a result, the power consumed after the end of data communication can be further reduced.

[0031]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS.

As shown in FIG. 1, the data transmission system of the data communication system according to the present embodiment includes a computer terminal 1 such as a personal computer that generates data for data communication.
And a modem 2 connected to the computer terminal 1 and a mobile phone terminal 3 for connection to a communication line. Note that the mobile phone terminal 3 of the present embodiment is a PHS (Pers
onal Handyphone System).

The portable telephone terminal 3 includes an amplifier 4 for digitally processing a signal from the modem 2 and a PCM.
(Pulse-Code Modulation) An encoder 5 and an ADPCM (Adaptive Diffeaction) for compressing a data signal from the PCM encoder 5 based on some past data.
rential PCM) An encoder 6, a channel codec unit 7 for performing various signal processing, and a radio unit 8 are sequentially connected. Although not shown, the mobile phone 3 includes various input keys (predetermined amplitude setting means, predetermined cycle setting means, predetermined value setting means) such as a power ON / OFF key and a dial input key. Is provided.

According to the above configuration, the computer terminal 1
Is transmitted to the amplifier 4 of the mobile phone terminal 3 via the modem 2. The data signal amplified by the amplifier 4 is sent to the PCM encoder 5 and digitized. The digitized data signal is ADPCM
The data is compressed by the encoder 6 and sent to the channel codec unit 7. In the channel codec unit 7, TDMA
(Time Division Multiple Access), TDD (Time D
ivision Duplex), frame creation / restoration, scrambling, and various kinds of signal processing such as simple secret talk. Thereafter, the data signal subjected to the signal processing as described above is transmitted as a radio wave from the radio unit 8 via the antenna 9.
Thus, data communication is performed from the computer terminal 1 via the modem 2 and the mobile phone terminal 3.

The portable telephone terminal 3 has an insertion detecting circuit 10 (insertion detecting means) in addition to the above-described configuration.
And a communication line automatic disconnection device 11. Then, a signal from the modem 2 is transmitted to the wireless unit 8 via the insertion detecting circuit 10 and the automatic communication line disconnecting device 11.

The plug-in detection circuit 10 has a function of detecting a plug-in state of an earphone microphone at a headset jack (also referred to as an earphone microphone jack, not shown hereafter simply as HSJ). ing.

The automatic communication line disconnecting device 11 is a VOX
(Voice Operated transmission) detection circuit 12 (amplitude detection means) and CPU (Central Processing Unit) 1
3 (control means) and a counter (counting means) not shown.

The VOX detection circuit 12 detects whether the amplitude of the signal transmitted from the PCM encoder 5 is within a predetermined range in a predetermined cycle, and converts the signal into a data level (sound) or noise. It has a function of converting it into a binary signal representing a level (silence). Hereinafter, this binary signal is referred to as a VOX data signal. This VOX data signal is transmitted to the counter and the CPU 13. The signal conversion operation in the VOX detection circuit 12 will be described later.

The counter has a function of counting the VOX data signal each time the noise level VOX data signal is continuously generated from the VOX detection circuit 12 at predetermined intervals. The CPU 13
Has a function of controlling disconnection / non-disconnection of the communication line based on the signal transmitted from the VOX detection circuit 12 and the count value of the counter.

Next, the operation of converting the transmitted data signal into a binary VOX data signal in the above-described VOX detection circuit 12 will be described below with reference to FIGS. 2 (a) and 2 (b). .

First, the VOX detection circuit 12 (see FIG. 1)
Then, it is assumed that a data signal (transmission signal) as shown in FIG. 2A is transmitted on a carrier (carrier). Here, whether or not the data signal is a data signal to be communicated is determined by whether or not the amplitude of the data signal is within a predetermined range as described above. Hereinafter, the predetermined range is referred to as a VOX level.

Here, the above-mentioned VOX level is set in advance so as to be slightly larger than the amplitude of the noise (silence) signal. Accordingly, when the data signal is, for example, a noise signal that is not necessary for communication, the amplitude falls within the predetermined range. On the other hand, when the data signal is, for example, a true data signal to be communicated, its amplitude is large and does not fall within the above-mentioned predetermined range. As a result, a signal having an amplitude equal to or higher than the VOX level is determined to be at the data level (true data to be communicated), and
Signals having an amplitude less than the X level are determined to be noise levels (useless data that does not need to be communicated).
Therefore, since the amplitude of the data signal is larger than the VOX level in the sections A and C in the figure, the data signals in these sections A and C are determined to be at the data level. On the other hand, in section B, since the amplitude of the data signal is smaller than the VOX level, the data signal in section B is determined to be at the noise level.
The VOX detection times 1, 2, and 3, which are the time widths of the sections A, B, and C, are all the same. As a result, whether or not the data signal is at the data level is detected and determined at regular intervals.

Here, the transmitted data signal is converted into a binary VOX data signal based on the above determination. That is, when the transmitted signal is at the data level, the VOX detection circuit 12 sets the VOX data signal at this time to the “1” level during a predetermined VOX detection time. On the other hand, if the transmitted signal is at the noise level,
The VOX detection circuit 12 sets the VOX data signal at this time to the “0” level during a predetermined VOX detection time. That is, when a data signal as shown in FIG. 2A is transmitted, the VOX data signal becomes as shown in FIG. 2B.
In sections A and C, the level is “1”, and in section B, the level is “0”. And such a VOX
The data signal is transmitted to the CPU 13.

Based on the signal conversion operation in the VOX detection circuit 12 described above, the CPU 13 (see FIG. 1) performs the following operation.

From the VOX detection circuit 12 to the CPU 13,
For example, when a “1” level VOX data signal is transmitted, the CPU 13 determines that data communication is being performed and does not disconnect the communication line. On the other hand, for example, when a VOX data signal of the “0” level is transmitted from the VOX detection circuit 12 and continuously transmitted at predetermined intervals, the CPU 13 determines the count value of the counter,
A comparison is made with a set value (first predetermined value) set in advance, and if they are equal, it is determined that data communication has been completed, and the communication line is disconnected.

On the other hand, even when the CPU 13 determines that the plug of the earphone microphone is once inserted into the HSJ and then disconnected, for example, based on a detection signal from the insertion detection circuit 10 (see FIG. 1), the same control as described above is performed. I do. That is, after the above-mentioned plug comes out of the HSJ,
A VOX data signal of a noise level is continuously transmitted from the VOX detection circuit 12 at predetermined intervals, and the value counted by the counter is set to a preset value (second value).
(The predetermined value), the CPU 13 determines that the data communication has been completed and disconnects the communication line.

According to the above configuration, the automatic communication line disconnection device 11 can be realized by the simple configuration as described above, that is, the configuration in which the VOX detection circuit 12 and the CPU 13 are provided. Therefore, the number of components can be reduced as compared with the conventional apparatus having many components, and the cost of the apparatus can be reduced. Further, when transmission of a signal unnecessary for communication is continued, the communication line is automatically disconnected by the CPU 13.
Is applied to the mobile phone terminal 3 as in the present embodiment, so that it is possible to reliably avoid unnecessary power consumption in the event that an artificial forget to disconnect the line or the like occurs in the mobile phone terminal 3. it can.

Further, according to the above configuration, since the plug-in detection circuit 10 is provided, when the plug of the earphone microphone is inserted into the jack and used, for example, when the data communication is completed, the power is not turned off by the user. In this case, the communication line is disconnected based on the plugged-in state. Therefore, as a result, it is possible to cope with forgetting to turn off the power when using the earphone microphone.

In the mobile phone terminal 3 of the present invention,
The VOX level, the VOX detection time, and the first and second predetermined values are previously written and set in the nonvolatile memory by the manufacturer, but the user can freely set them as necessary. It has become. In this case, by operating a desired key of the mobile phone terminal 3 in the same manner as other function settings such as volume control, speed dial setting, etc., the software is written into the non-volatile memory via the control line 14 (see FIG. 1). It can be processed.

Thus, the above VOX level, VOX
The detection time and the first and second predetermined values are not always fixed, and it is possible to provide the mobile phone terminal 3 according to each user or use environment.

By the way, the first preset
And the second predetermined value are separately set by the keys. Thus, for example, if the second predetermined value is set smaller than the first predetermined value, the time from when the plug is disconnected from the HSJ until the line is disconnected can be further reduced. . As a result, the power consumed after the end of data communication can be further reduced.

Next, the flow of the operation of automatically disconnecting the data communication line in the portable telephone terminal 3 (see FIG. 1) of the present invention is shown in the flowchart of FIG. 3, and the operation will be described below based on this flowchart. I do. In addition,
It is assumed that the mobile phone terminal 3 is provided with an HSJ.

First, it is assumed that data communication is performed by the modem 2 (see FIG. 1) in step 1 (hereinafter, the step is simply abbreviated as S). Next, the plug-in detection circuit 10 (see FIG. 1) detects whether or not the earphone microphone is plugged into the HSJ (S2).

If it is determined in S2 that the plug is inserted into the HSJ, the data communication is terminated in S3, and it is determined whether or not the power is turned off. Here, when the power is off, S
8 and the communication line or the link of the modem 2 is disconnected and the processing ends.

On the other hand, if the above-mentioned plug is not inserted into the HSJ in S2, and if the data communication is not completed and the power is not turned off in S3,
At S4, the count value X of the counter is reset.
At 5, it is determined whether a noise level VOX data signal has been detected.

Here, if the VOX data signal of the noise level is not detected, the process returns to S1, and the above operation is repeated. On the other hand, if a noise level VOX data signal is detected in S5, the count value X of the counter is increased by 1 (S6), and the process proceeds to S7. Then, in S7, it is determined whether or not the count value X is equal to a set value Y (for example, a first predetermined value) preset for disconnecting the line (in S2, the earphone microphone). If it is determined that the plug is once inserted into the HSJ and then removed, it is determined in S7 whether the count value X of the counter is equal to the second predetermined value as the set value Y).

At this time, if the count value X is not equal to the set value Y, the process returns to S5. At S5, when the count value X is smaller than the set value Y, if the noise level VOX data signal is not detected (that is, if the data level VOX data signal is detected), the state of S1 is reached. And it is recognized that data communication is in progress.

On the other hand, if it is determined in S7 that the count value X is equal to the set value Y, the flow shifts to S8, where the communication line or the link of the modem 2 is disconnected, and the processing ends.

According to the above configuration, for example, even when the user forgets to press the power-off button of the mobile phone terminal 3 or makes a mistake in pressing the power-off button at the end of the data communication, the communication line is automatically disconnected. The communication line will be cut off. Thereby, it is possible to reliably avoid unnecessary power consumption after the end of data communication.

Conventionally, at the end of data communication, the data communication of the computer terminal 1 (see FIG. 1) is terminated.
Thereafter, an operation of turning off the power of the mobile phone terminal 3 was required. However, according to the above configuration, when the data communication is terminated by the computer terminal 1, the communication line is automatically cut off. It can be unnecessary.

Further, according to the above configuration, the mobile phone terminal 3 is not provided with a communication line automatic disconnection device having a large number of parts and having a complicated configuration as in the conventional case, but a simple communication line having the above configuration. Since the automatic cutting device 11 (see FIG. 1) is provided, the cost of the mobile phone terminal 3 itself can be reduced.

In the above flowchart, the HSJ
Has been described using the mobile phone terminal 3 provided with
If J is not provided, S2 may be skipped and S1 may be shifted directly to S3. As a result, even when the mobile phone terminal 3 without the HSJ is used, the data communication line is automatically disconnected at the end of the data communication based on the flowchart shown in FIG. Therefore,
In this case, it is needless to say that the same effect as in the present embodiment can be obtained.

In this embodiment, the transmission system for transmitting a data signal from the computer terminal 1 via the modem 2 and the portable telephone terminal 3 has been described. However, as shown in FIG. In this case, if the automatic communication line disconnecting device 11 of the present invention is provided, the same effect as that of the present embodiment can be obtained. In this case, the only difference from the transmission system is that the VOX detection circuit 12 performs a signal conversion operation based on a signal transmitted from the ADPCM encoder 6. Control of the CPU 13 based on the detection signal from the VOX detection circuit 12 And the transmission system. As a result, if the user does not turn off the power of the mobile phone terminal 3 at the end of the reception of the data signal, the communication line is automatically cut off by the communication line automatic cutting device 11, and as a result, Unnecessary power consumption after the termination can be reliably avoided.

In this embodiment, the automatic communication line disconnecting device 11 has been described as being applied to the PHS as the portable telephone terminal 3. However, the automatic communication line disconnecting device 11 may be applied to cellular.

In the case of cellular, although not shown, in the configuration of the PHS shown in FIG.
Is VSELP (Vector Sum Excited Linear Predicti
on) It is just an encoder. Cellular V
The SELP encoder compresses voice data based on a human utterance model, and differs from the PHS provided with the ADPCM encoder 6 only in the data compression method. That is, cellular and PHS are the same except for the configuration of the VSELP encoder. Therefore, even when the automatic communication line disconnecting device 11 of the present embodiment is applied to a cellular system, the same effect as that of the present embodiment can be obtained.

In the present embodiment, an example is described in which the automatic communication line disconnecting device 11 is applied to the portable telephone terminal 3, but the present invention is not limited to this. For example, even when data communication is performed between computer terminals via a modem, by applying the above-described automatic communication line disconnection device 11, power is unnecessarily consumed due to forgetting to power off at the end of data communication. Can be reliably avoided.

[0067]

According to the first aspect of the present invention, there is provided a portable telephone terminal .
As described above, the analog modem is connected from the computer terminal.
Data communication wirelessly through data signals input via
A mobile phone terminal used for
The amplitude of the transmission signal input from the modem is within the specified range.
Amplitude detection means for detecting at a predetermined period whether or not
The signal within the above-mentioned predetermined range is detected by the
The number of detections is counted when they are detected continuously in each period.
Counting means for counting and counting of the counting means
When the default value reaches a first predetermined value, the communication line is disconnected.
Control means for controlling the predetermined range and the user
And a predetermined range setting means for setting by the side .

Therefore, at the end of data communication,
Even if the communication line is not disconnected due to
The communication line is automatically disconnected by the dynamic disconnection device.
To prevent unnecessary power from being consumed after the end of data communication.
This has the effect that it can be avoided reliably.

At the end of data communication, the conventional
Terminate the data communication of the computer terminal, and then
An operation of turning off the power of the terminal was required.
However, according to the above configuration, the data is
When communication is terminated, the communication line is automatically disconnected.
As in the past, mobile phone terminals after data communication
The effect of eliminating the need to turn off the power is also added.
Let me play.

Further , a predetermined range setting means is provided.
Therefore, the user can freely set the above specified range as necessary.
Can be set. This allows individual users,
Or to provide a mobile phone terminal according to the usage environment
This has the effect that it can be performed.

The portable telephone terminal according to the second aspect of the present invention, as described above, transmits a signal from a computer terminal via an analog modem.
Wirelessly communicates the input data signal
Mobile phone terminal used for transmitting
Amplitude detection that detects at a predetermined cycle whether the width is within a predetermined range
Output means and the amplitude detecting means within the predetermined range.
When signals of are continuously detected at predetermined intervals,
Counting means for counting the number of detections, the Cow
When the count value of the client means reaches a first predetermined value,
Control means for controlling the communication line to be disconnected;
The microphone plug into the jack
The plug-in detecting means for detecting whether
Is based on a detection signal from the insertion detecting means,
After determining that the plug has come off the jack,
When the count value of the client means reaches a second predetermined value,
This is a configuration for controlling so as to disconnect the communication line .

Therefore, even if the communication line is not disconnected by the user at the end of the data communication, the communication line is automatically disconnected by the automatic communication line disconnection device, so that unnecessary power is consumed after the end of the data communication. This is effective in that the operation can be reliably avoided.

Further, at the end of the data communication, conventionally, it has been necessary to end the data communication of the computer terminal and then turn off the power of the portable telephone terminal.
However, according to the above configuration, when the data communication is terminated at the computer terminal, the communication line is automatically disconnected, so that the power-off operation of the mobile phone terminal after the data communication as in the related art is unnecessary. It also has the effect of being able to do so.

At the end of the data communication, the user
That the mobile phone was not turned off
Even if the communication line is
As a result, the power when using the earphone / microphone is disconnected.
It has the effect of being able to respond to forgetting to cut off the power source.
You.

The portable telephone terminal according to the third aspect of the present invention is provided with a predetermined cycle setting means for setting the predetermined cycle by the user in addition to the configuration of the first or second aspect. Configuration.

Therefore, in addition to the effect of the first or second aspect, the predetermined period setting means is provided, so that the user can freely set the predetermined period as necessary. . Thereby, there is an effect that it is possible to provide a mobile phone terminal according to each user or use environment.

As described above, the portable telephone terminal according to the fourth aspect of the present invention has, in addition to the configuration of the first, second, or third aspect,
A predetermined value setting for the user to set the first predetermined value.
This is a configuration including a setting unit .

Therefore, in addition to the effects of the first, second, or third aspect, the user may select the first
The predetermined value can be set freely. This
Mobile phone according to individual user or usage environment
This has the effect that a terminal can be provided.

As described above, the portable telephone terminal according to the fifth aspect of the present invention has the following features in addition to the configuration of the second, third, or fourth aspect.
This is a configuration including a predetermined value setting means for setting the second predetermined value.

Therefore, in addition to the effect of the configuration of the second, third, or fourth aspect, the user can freely set the second predetermined value as needed. Thereby, there is an effect that it is possible to provide a mobile phone terminal according to each user or use environment.

Further, if the second predetermined value is set smaller than the first predetermined value by the predetermined value setting means, the line disconnection after the plug of the earphone microphone is disconnected from the jack. Can be further reduced. As a result, it is possible to further reduce the power consumed after the end of data communication.

[Brief description of the drawings]

FIG. 1 is a block diagram showing one configuration example in a communication line automatic disconnection device and a transmission system of a mobile phone terminal according to the present invention.

FIG. 2A is a view showing a VOX in the mobile phone terminal.
It is a waveform diagram showing a data signal transmitted to the detection circuit,
(B) is a VOX converted based on the data signal.
It is a data signal.

FIG. 3 is a flowchart showing a flow of an operation for automatically disconnecting a data communication line.

FIG. 4 is a block diagram showing a data communication system of a receiving system.

FIG. 5 is a block diagram illustrating a configuration example of a conventional mobile phone terminal.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Computer terminal 2 Modem 3 Mobile telephone terminal 10 Plug-in detection circuit (plug-in detection means) 11 Automatic communication line disconnection device 12 VOX detection circuit (amplitude detection means) 13 CPU (control means)

Continuation of the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H04B ⁷ /24-7/26 H04L 13/00-13/18 H04M 11/00-11/10 H04Q 7/00-7 / 38

Claims (5)

(57) [Claims] 1. A computer terminal via an analog modem.
Wirelessly communicates the input data signal
A mobile phone terminal used when the transmission signal input from the analog modem has an amplitude.
Amplitude detection means for detecting at a predetermined cycle whether or not it is within a predetermined range
And a signal within the predetermined range is detected by the amplitude detecting means.
When detected continuously at regular intervals,
Counting means for counting the number, and the count value of the counting means reaches a first predetermined value
Control means to control when the communication line is disconnected
And a predetermined range setting for the user to set the predetermined range.
A mobile phone terminal comprising: 2. A data signal wirelessly transmitted from a computer terminal via an analog modem .
A mobile phone terminal used in a mobile communication terminal, and detects at a predetermined cycle whether or not the amplitude of a transmission signal is within a predetermined range.
And a signal within the predetermined range by the amplitude detecting means.
When detected continuously at regular intervals,
Counting means for counting the number, and the count value of the counting means reaches a first predetermined value
Control means to control when the communication line is disconnected
And the earphone microphone plug is plugged into the jack
The plug-in detecting means for detecting whether or not the detection signal from the plug-in detecting means
Based on the above, it was determined that the plug was removed from the jack
Thereafter, the count value of the counting means reaches a second predetermined value.
Control to disconnect the communication line when
Characteristic mobile phone terminal. 3. A mobile telephone terminal according to claim 1 or 2, characterized in that it comprises a predetermined period setting means for the predetermined period by the user-side set. 4. The method according to claim 1, wherein the first predetermined value is set by a user.
Claims, characterized in that it comprises a predetermined value setting means fit
Item 4. The mobile phone terminal according to item 1, 2, or 3. 5. The portable telephone terminal according to claim 2, further comprising a predetermined value setting means for setting the second predetermined value by a user .