JP2001309024A - Radio equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve the problem that music reproduction irrespective of oscillation is stopped when power is cut since it is considered that a radio wave of a music reproducing unit with radio function adversely affects a medical unit at a place congested with people such as a full-housed train. SOLUTION: The radio equipment is provided with a mechanism for stopping only the oscillator of RF, a call means and a radio information exchange means by using a control means.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable player for taking out recorded information from a recording medium such as an MD, a silicon disk, and a memory capable of recording information and reproducing the information.
The present invention relates to a wireless device having a function of recording and reproducing information, including a mobile telephone device such as an HS, an information terminal device capable of accessing the Internet, and a mail terminal device capable of transmitting and receiving electronic mail.

[0002]

2. Description of the Related Art In recent years, mobile telephone devices such as mobile phones and PHSs and mobile mail terminals have been rapidly circulating due to demands for making telephone calls and data communication at any time and from any place. .

In recent years, similarly, at any time,
Many people carry portable audio devices because of the desire to listen to music and learn languages in any place. There are many devices that record information on a silicon disk used as a memory or a memory built in a main body and reproduce the information.

[0004] There has also been invented an apparatus having both of these functions and capable of communicating with an arbitrary party by transmitting and receiving a radio signal while listening to music or the like.

[0005] Furthermore, from the desire to use the call function and the communication function from any place, to listen to music and to learn languages in any place, etc. People listen to music and the like while communicating in a crowded place.

[0006]

The fact that a wireless device having a function of recording and reproducing information performs communication means that a wireless circuit built in the device emits and receives radio waves. It is a well-known fact that radio waves cause malfunctions of a medical device such as a pacemaker embedded in a human body, and have an adverse effect such as rendering the medical device unusable.

To communicate at any time and from any place means that the radio circuit transmits and receives radio waves at any time and from any place. Adversely affect medical equipment such as a pacemaker embedded in a medical device.

The effective range when radio waves transmitted from a wireless device such as a mobile phone adversely affect medical equipment such as a pacemaker embedded in a human body is generally such that the distance between the wireless device and the medical device is within 22 cm. ing.

[0009] That is, if a person in a crowded train or the like performs communication in a crowded place, the wireless device and medical equipment can be sufficiently present within 22 cm. It is necessary to stop the wireless circuit so that the device cannot transmit radio waves.

However, in a conventional wireless device having a function of recording and reproducing information having a function of calling and communicating and a function of reproducing music, stopping the wireless circuit means stopping transmission and reception of wireless signals. Let me
Recording and reproduction of information are also stopped.

[0011] However, there is a demand for listening to music and learning languages in any place.
Reproduction of music or the like by a wireless device with an information recording and reproducing function to perform these actions does not adversely affect medical equipment, but in order to stop the wireless circuit, information recording and reproduction are performed. It is very inconvenient to stop the reproduction.

In the present invention, therefore, even in a place where a radio device with a function of recording and reproducing information is considered to have an adverse effect on medical equipment, such as when a person on a crowded train is overcrowded,
It is an object of the present invention to provide a wireless device with a function of recording and reproducing information, which can listen to music and learn languages as usual.

[0013]

As a first means for solving the problems,
Means for reproducing information recorded on the recording medium,
An RF unit for transmitting and receiving a radio signal as a radio wave, a radio device including a reproducing unit and a control unit for controlling the RF unit, wherein the reproducing unit enables reproduction by a headphone or a built-in speaker, and the control unit includes a recording medium. It is characterized in that the function of stopping the supply of power to the oscillator of the RF unit can be simultaneously performed when reproducing the information recorded in the RF unit and when it is detected that the wireless transmission / reception stop signal is input from the operation unit. Configuration.

Further, as a second solving means, there is provided a wireless device having means for communicating with an arbitrary party by transmitting and receiving signals using wireless communication, and control means for controlling the means for talking. The means for making a call enables a reproduction call using headphones or a built-in speaker through the means for reproducing, and the control means transmits and receives a signal using wireless communication when the control unit detects that a wireless transmission / reception stop signal has been input from the operation unit. A feature may be added to the first solving means that a call with any other party can be stopped by doing so.

Further, as a third solving means, there is provided a means for accessing an external device and exchanging wireless information by transmitting / receiving a signal using wireless communication, and a control means for controlling the means for exchanging wireless information. The wireless device, wherein the means for exchanging wireless information enables transmission and reception of information to the outside of the wireless device by wireless communication, and the control means, when detecting that a wireless transmission / reception stop signal has been input from the operation unit, performs wireless communication. The first and second features that a wireless information exchange with an external device can be stopped by transmitting / receiving a signal using communication.
It is good also as composition added to the solution of.

Further, as a fourth solution means, there is provided a radio apparatus comprising means for recording reproduction information on a recording medium and control means for controlling the recording means, wherein the recording means is provided with information from outside. It is also possible to adopt a configuration in which recording can be performed on a recording medium or a recording medium mounted therein, and the control means can record information on the recording medium in addition to the first to third solving means.

Further, as a fifth solution means, there are provided means for accessing the external device and exchanging wired information by transmitting and receiving signals using wired communication, and control means for controlling the means for exchanging wired information. A wireless device, wherein the means for exchanging wired information enables transmission / reception of information to the outside of the wireless device by wired communication, and the control means transmits / receives a signal using wired communication to / from the external device. A feature in which the exchange can be performed may be added to the first to fourth solving means.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a block diagram illustrating an embodiment of a wireless device according to the present invention.

In this embodiment, the reproduction information is stored in the recording medium 12.
, A means 11 for reproducing information recorded on the recording medium 12, a means 2 for communicating with an arbitrary party from the antenna 4 via the RF unit 3, and an RF
Means 5 for accessing and exchanging wireless information with external devices by transmitting and receiving wireless signals via the unit 3; and means 7 for accessing and exchanging wired information with external devices by transmitting and receiving signals via the external port 6. 1 is controlled.

The control means 1 receives an input of an operation signal generated by operating the operation section 14. Then, the control means 1
It has a signal line for turning off the power of the oscillator 31 of the F unit 3.

The output of the reproducing means 11 is supplied to the headphone 9 or the built-in speaker 10.

The recording means 13 is supplied from the control means 1 with information obtained via the antenna 4 via the RF unit 3 and via the means 5 for exchanging wireless information or the means 2 for talking, and stores the information inside or outside. The information is recorded on the recording medium 12.

The output of the calling means 2 is reproduced by the reproducing means 11
To the built-in speaker 10
Alternatively, it is supplied to the headphones 9. That is, in the present apparatus, the reproduction data of the information recorded on the recording medium 12 is reproduced by the headphones 9 or the built-in speaker 10. The output of the calling means 2 is also reproduced by the headphone 9 or the built-in speaker 10. In addition, a voice signal from the microphone 8 is input to the calling means 2.

That is, in this apparatus, the radio signal received by the RF unit 3 is demodulated by the communication means 2, and the obtained audio signal is reproduced by the control means 1 through the control means 1.
, The transmission signal picked up by the microphone 8 is modulated by the communication means 2, and the obtained radio signal is transmitted from the RF unit 3 via the antenna 4. Make calls.

That is, in the present apparatus, a wired signal input from the external port 6 is received by the means 7 for exchanging wired information, and the obtained signal passes through the control means 1 and is recorded by the recording means 13 to the internal or external recording. Recorded on the medium 12.

That is, in the present apparatus, the radio signal received by the RF unit 3 is received by the means 5 for exchanging radio information, and the obtained signal passes through the control means 1 and is recorded by the recording means 13 on the internal or external recording medium. Will be recorded.

That is, in the present apparatus, when the control means 1 detects that the wireless transmission / reception stop signal has been input from the operation unit 14, the power supply of the oscillator 31 of the RF unit 3 is turned off to stop the transmission function. Further, the transmission and reception of signals to and from the communication means 2 are stopped, and the operation of the communication means 2 is stopped. Further, transmission / reception of signals to / from the wireless information exchange means 5 is stopped, and the operation of the wireless information exchange means 5 is stopped.

In this embodiment, the reproducing means 11 is a silicon disk player. Further, in this embodiment, the PHS is used as the means 2 for making a call and the means 5 for exchanging wireless information. Further, an SD memory can be used as the external recording medium 12, and a slot for using the SD memory is provided. FIG. 2 shows a block diagram of this means.

The communication means 2 includes an antenna 4 for transmitting and receiving digital radio communication data, an RF radio section 19 for transmitting and receiving to and from the antenna 4, a TDMA 2 for time division multiple access control.
0 circuits. The data from the TDMA 20 circuit is transmitted to the RF radio unit 19 via the modulator 18, and the data from the RF radio unit 19 is transmitted to the TDMA 20 via the demodulator 17.
Sent to the circuit. The TDMA20 circuit is ADPCM21
An output signal from the ADPCM 21 is connected to a circuit so that transmission and reception is possible, and is output to a speaker and a headphone output terminal via a reproduction circuit having a D / A converter. The signal from the microphone 8 is transmitted to the A / D converter through the A / D converter.
It is input to the DPCM 21 circuit. Here, ADPCM2
One circuit performs adaptive differential pulse code modulation.

The means 5 for exchanging wireless information stores information recorded in the SD memory through a driver of the SD memory via a CP.
It is sent to the U16 control unit, and is input from the CPU 16 to the TDMA20 circuit. Data from the TDMA 20 circuit is transmitted to the RF radio unit 19 via the modulator 18. Data from the RF radio unit 19 is transmitted to the TDMA2
0 circuit and recorded in the SD memory from the CPU 16 via the SD memory driver.

A signal line for stopping the oscillation is output from the CPU 16 to the RF radio unit 19. When the oscillation stop signal line 15 becomes true, the oscillator 31 of the RF radio unit 19 stops the oscillation. .

The reproducing means 11 reads the music data stored in the SD memory, performs MP3 decoding when the format is the MP3 format, and performs ATRAC decoding when the format is the ATRAC format. The music is output to an internal speaker and an external headphone terminal via the / A circuit.

The means for exchanging wired information is provided by an external PC and a U.
Data is received via the external port 6 connected by the SB cable. The received data is stored in the CPU 1
6 or is stored in the SD memory via the write driver of the SD memory. The information stored in the SD memory is transmitted to the CPU 16 via the SD memory driver,
6 to the external PC via the USB driver for the external port 6.

Next, main operations in the wireless device of this embodiment will be described.

The music data recorded in the SD memory as the silicon audio can be started to be reproduced by pressing the reproduction button of the operation section 14 of the main body. After switching to the telephone mode by switching the main body operation unit 14 to the telephone mode during reproduction, if a telephone number is input from the numerical buttons of the operation unit 14 and a call is made, a telephone call can be made while music is being reproduced.

Even if a call is received while music is being played, a call can be made by pressing the reception function button of the main body operation unit 14 without stopping music playback.

Here, a description will be given of a case where the wireless communication function is stopped while utilizing other functions, which is a feature of the wireless device of this embodiment.

When a user decides to stop a radio-related function while using a music data reproduction function while riding on a packed train or the like, an operation unit is provided to switch the main body to a radio function stop mode. Press and hold the power button and call button for more than 2 seconds. When this button operation is performed on the operation panel, a signal indicating switching to the wireless function stop mode is transmitted from the operation unit 14 to the CPU 16. Upon receiving this signal, the CPU 16 first
The oscillator 31 of the RF unit 3 corresponding to the RF wireless unit 19 is stopped. Then, the CPU 16 includes the TDMA 20 which is the means 5 for exchanging wireless information with the means 2 for talking.
At the same time, the function of the TDMA 20 is stopped.

Then, the CPU 16 keeps this state unless the power button and the transmission button on the operation unit 14 are pressed again for 2 seconds or more and a switching signal to the wireless function stop mode is received from the operation unit 14. .

Therefore, using the wireless device of the embodiment,
Because only the radio circuit can be shut down, everyone can safely and normally play music even in places where radio equipment is considered to have adverse effects on medical equipment, such as in crowded trains where people are overcrowded. To listen to and learn languages.

As described above, the typical embodiment of the wireless device according to the present invention has been described, but the present invention is not limited to the above embodiment.

That is, in this embodiment, the reproduction means 1
The recording medium 12 to be played back is an SD memory. For example, the recording medium 12 may be a memory stick, a smart media, an MMC (multimedia card), a built-in semiconductor memory, an MD, a DAT, a cassette tape, a CD, a D
A medium such as a VD may be used, and the wireless device may be not only the PHS but also another mobile phone device such as a mobile phone.

Further, although the embodiment of the present invention has the recording and reproducing means 11, it may have only the reproducing means 11. In addition, although the wireless communication device has the communication device 5 and the communication device 2 and the wired communication device 7, it may have only the communication device 2. Further, only the means 5 for exchanging wireless information may be provided. Further, only the means 2 for communicating and the means 7 for exchanging wired information may be provided. Further, only the means 5 for exchanging wireless information and the means 7 for exchanging wired information may be provided.

In the operation for stopping the oscillation of the RF unit, the power button and the transmission button on the operation unit are kept pressed for two seconds or more. Other operation methods may be used as long as they are independent of the button operation of the function.

Further, the oscillator 31 of the RF unit 3 corresponding to the RF radio section 19 is stopped, and
TDMA2, which is a means 5 for exchanging wireless information with
The order of controlling not sending a signal to 0 and stopping the function of the TDMA 20 may not necessarily be the order described above.

[0046]

According to the present invention, since the radio function can be completely stopped, even in a place where the radio equipment is considered to have an adverse effect on the medical equipment, such as in a crowded train where people are overcrowded, You can listen to music and learn languages as usual without worrying about your surroundings.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a wireless device of the present invention.

FIG. 2 is a block diagram showing signal processing means of the wireless device of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Control means 2 Talking means 3 RF unit 4 Antenna 5 Means for exchanging wireless information 6 External port 7 Means for exchanging wired information 8 Microphone 9 Headphone 10 Built-in speaker 11 Playback means 12 Recording medium 13 Recording means 14 Operation part 15 Oscillation stop signal line 16 CPU 17 Demodulator 18 Modulator 19 RF radio unit 20 TDMA 21 ADPCM 22 RAM 23 ROM 31 Oscillator

Continued on the front page (72) Inventor Yuichi Inoue 1-8-8 Nakase, Mihama-ku, Chiba-shi, Chiba F-term in Seiko Instruments Inc. 5K011 BA10 DA01 DA06 DA29 FA03 JA01 KA00 5K027 AA11 BB09 CC08 DD14 HH29

Claims (5)

[Claims] A means for reproducing information recorded on a recording medium; an RF unit having a transmitter for transmitting and receiving radio signals as radio waves; a control means for controlling the reproducing means and the RF unit; The control unit, when detecting that a wireless transmission / reception stop signal is input from the operation unit, without stopping reproduction of information recorded on a recording medium by the reproduction unit. ,
By stopping the power supply to the oscillator, the RF
A wireless device capable of stopping operation of a unit. 2. A communication device for transmitting and receiving a signal using wireless communication to communicate with an arbitrary party.
When the control unit detects that the wireless transmission / reception stop signal is input from the operation unit, without stopping the reproduction of the information recorded on the recording medium by the reproduction unit,
The wireless device according to claim 1, wherein the operation of the calling unit can be stopped. And transmitting and receiving signals using wireless communication to access an external device and exchange wireless information, wherein the control unit receives a wireless transmission / reception stop signal from an operation unit. 2. The wireless communication device according to claim 1, wherein the operation of the means for exchanging wireless information can be stopped without stopping the reproduction of the information recorded on the recording medium by the reproducing means.
Alternatively, the wireless device according to claim 2. 4. The apparatus according to claim 1, further comprising means for recording information on a recording medium mounted externally or on a recording medium mounted inside. Wireless device. 5. The apparatus according to claim 1, further comprising a unit for transmitting and receiving signals using wired communication to access an external device and exchange wired information. Wireless device. ,