JPH1098512A - System charger - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable exchange of a voice signal and a control signal between a portable equipment (a portable telephone, etc.) and a charger by providing a plug in the charger, which is inserted and connected to an earphone jack provided in the portable equipment. SOLUTION: When the portable telephone 1 is placed on the prescribed recessed part of the system charger 2 in order to charge the battery of the portable telephone 1 in the portable telephone 1 and the system charger 2, the plug c2 is inserted and connected (engagement) to the earphone jack c1 and power source battery terminals 1a and b1 are abutted and connected to charging terminals a2 and b2 in a state where the plug c2 is perfectly inserted. When CUP 11 of the portable telephone 1 detects an incoming call through the output of an incoming call detecting part 13 in the connection state, an incoming call signal is generated so as to inform that call incoming exists in the system charger 2 through a voice route which connects a call circuit 14, the earphone jack c1 and the plug c2. The incoming call detecting part 22 of the system charger 2 informs a CPU 21 of a call incoming. At this time, a ringer speaker part 23 rings a ringer.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention combines a function for charging a portable device with a function other than a charging function for a portable device, such as realizing a hands-free call function when the portable device is a portable telephone. Regarding system charger.

[0002]

2. Description of the Related Art Conventional portable telephones and portable recording medium reproducing devices (devices for listening to music reproduced by earphones)
These portable devices operate using a battery as a power source. Therefore, when the battery capacity becomes low, the portable device is directly connected to the charger to charge the battery, or is replaced with a charged battery.

[0003]

However, during charging of the battery connected to the charger, it is difficult for the conventional mobile phone to make a call unless the mobile phone is removed from the charger and a call is made. In such a case, it may be necessary to perform a call in a state where the battery is not charged at all, and in such a case, there is a possibility that the call may be interrupted halfway due to running out of the battery.

A conventional portable recording medium reproducing apparatus can reproduce a recording medium in a charged state of a battery connected to a battery charger. However, even in this case, it is still necessary to listen to music reproduced through an earphone. Not easy to listen to.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems of the prior art, a first aspect of the present invention is to provide a charging terminal connected to a power supply battery terminal of a portable telephone device for charging, and an earphone jack of the portable telephone device. And a means for making a hands-free call or a means for recording a received voice through the fitted earphone jack and plug.

A second aspect of the present invention provides a charging terminal connected to a power supply battery terminal of a portable recording medium reproducing device for charging, a plug fitted to an earphone jack of the recording medium reproducing device, Means for loudspeaking the playback sound of the recording medium playback device through the earphone jack and the plug.

[0007]

FIG. 1 is a block diagram of a mobile phone charging system according to an embodiment of the present invention.
Indicates each block of the system charger. The mobile phone 1
CPU 11, radio unit 12, incoming call detection unit 13, call circuit 1
4. Speaker sp, microphone mc, liquid crystal display 1
5, key operation unit 16, power supply circuit 17, battery 18,
It comprises a recording / reproducing circuit 19, power supply battery terminals a1 and b1, and an earphone jack c1. Power battery terminals a1, b1
And the earphone jack c1 are arranged on a surface connected to the system charger 2. The recording / reproducing circuit 19 has a recording medium such as an IC memory or an MD, and can record a call. In addition, the recording / reproducing circuit 19 transmits the recorded contents to a wireless line through the call circuit 14 and the radio unit 12 during a call, Can be reproduced, and voice can be recorded from the microphone mc.

[0008] The system charger 2 includes a CPU 21, an incoming call detection unit 22, a communication circuit 23, and a ringer / speaker unit 2.
4, a microphone section (hereinafter referred to as a microphone section) 25, an answering machine circuit 26, a key operation section 27, an AC-DC conversion circuit 28, a power supply circuit 29, a liquid crystal display section 30, charging terminals a2, b2, and a plug c2. Charging terminals a2, b2 and plug c
Numerals 2 are respectively arranged in recesses on which the mobile phone 1 is placed.

Note that the inside of the mobile phone 1 and the system charger 2
A solid line connecting the blocks in the figure indicates a control path or an audio path, and a dotted line indicates a power supply path.

When the mobile phone 1 and the system charger 2 are placed in a predetermined recess of the system charger 2 to charge the battery 17 of the mobile phone 1, the mobile phone 1 and the system charger 2 are plugged into the earphone jack c1. The power battery terminals a1 and b1 are connected to the charging terminals a2 and b2 in a state where the plug c2 is inserted and connected (fitted) and the plug c2 is completely inserted. In other words, the mobile phone 1 and the system charger 2 can connect and connect the earphone jack c1 and the plug c2 (fitting) and the contact connection between the power battery terminals a1, b1 and the charging terminals a2, b2 in one connection operation. The structure is completed at the same time. Further, since the insertion connection (fitting) between the earphone jack c1 and the plug c2 functions as a positioning and fixing structure, the power battery terminals a1, b1 and the charging terminals a2, b2 reliably come into contact with each other, and there is no possibility of poor contact.

In this connection state, the CPU 11 of the mobile phone 1
Detects an incoming call at the output of the incoming call detection unit 13, generates an incoming call signal and notifies the system charger 2 that there is an incoming call through a voice path connecting the communication circuit 14, the earphone jack c1, and the plug c2. Incoming call detector 22 of system charger 2
Detects the incoming signal and informs the CPU 21 that there is an incoming call. At this time, the ringer / speaker unit 24
Ringer sounds under the control of U21. When a predetermined key of the key operation unit 27 is pressed, an incoming response signal is output from the CPU 21 to the mobile phone 1 through an audio path connecting the communication circuit 23 and the plug c2. CP that detects an incoming call response signal through an audio path connecting the earphone jack c1 and the call circuit 14
U11 causes the wireless section 12 to wirelessly transmit an incoming response signal and start a telephone call. The control of the mobile phone 1 by operating the key operation unit 27 is also possible, and outputs a control signal to the mobile phone 1 through the audio path to perform, for example, dial transmission or reproduction of the recording / reproducing circuit 19. This is the CPU
Various controls are performed upon detection by the controller 11.

Thereafter, the voice signal transmitted / received by the mobile phone 1 is transmitted to the wireless unit 12, the voice communication circuit 14, the voice path of the earphone jack c1 on the mobile phone 1, the plug c2, and the voice communication circuit 2.
3. A call is made through the audio path of the ringer / speaker section 24 and the microphone section 25 on the system charger 2 side. This call is a hands-free call. The ringer / speaker unit 24 loudspeaks the voice, and the microphone unit 25 has a high microphone sensitivity and has a noise canceller function.

The answering machine 26 includes a recording medium,
The system charger 2 to which the mobile phone 1 is connected functions as an answering machine. When an incoming call is detected in a state where the system charger 2 is set to the answering machine mode by the key operation unit 27, the CPU 21 causes the answering machine circuit 26 to perform an automatic incoming call response and an automatic message transmission, and to record a message of the other party. The recording medium is not limited to IC memory,
It may be a cassette tape or an MD capable of recording for a long time.

The contents recorded in the recording / reproducing circuit 19 of the mobile phone 1 are transmitted to the communication circuit 14, an earphone jack c1,
Plug c2, speech circuit 23, ringer speaker section 2
4 can be played through the audio path.

When the recording medium provided in the recording / reproducing circuit 19 of the portable telephone 1 is a large-capacity recording medium (cassette tape, MD, or the like), the portable telephone also functions as a portable recording medium reproducing device. At the time of carrying, an earphone plug (not shown) is inserted into the earphone jack c1 and connected, so that a call can be made using the microphone and the earphone connected to the earphone plug with a cord. You can listen to it, but when you return home, place the mobile phone 1 on the system charger 2 to play the recording medium from the ringer / speaker unit 24 and listen to the music at high output in addition to hands-free calls. Can be.

As described above, a hands-free call can be made while the battery is being charged while the mobile phone is connected to the charger. Therefore, if there is an incoming call while the battery is being charged, it is not necessary to remove the mobile phone from the charger and the battery runs out. Make calls without worry. When a mobile phone is used as a portable recording medium reproducing device, the recording medium can be reproduced and the music can be heard at a high volume without using earphones while the battery is being charged.

Although an example of the system charger for a mobile phone according to one embodiment of the present invention has been described above, the present invention is not limited to this, and only a portable recording medium reproducing apparatus having no mobile phone function is provided. It goes without saying that the present invention can also be implemented as a system charger for a portable device having the function described above.

[0018]

As described above, according to the present invention, the charger is provided with the plug which is inserted and connected to the earphone jack of the portable device (portable telephone, portable recording medium reproducing device). Since a voice signal and a control signal can be transmitted and received between the portable device and the charger, there is no need to provide a separate connection terminal on the portable device side, and the miniaturization and cost increase of the portable device are not prevented. In addition, in the case of terminal connection, there is a risk of poor contact because an audio signal and a control terminal are added in addition to the charging terminal, but in the case of the present invention, the plug is connected to the earphone jack. There is no danger of poor contact.

[Brief description of the drawings]

FIG. 1 is a block diagram of a mobile phone system according to an embodiment of the present invention.

[Explanation of symbols]

 1: Mobile phone 2: System charger 11, 21: CPU 12: Radio unit 13, 22: Incoming detection unit 14, 23: Communication circuit 15, 30: Liquid crystal display unit 16, 27: Key operation unit 17, 29: Power supply Circuit 18: Battery 19: Recording / playback circuit 24: Ringer / speaker unit 25: Microphone unit (microphone unit) 26: Answering machine circuit 28: AC-DC conversion circuit a1, b1: Power battery terminal a2, b2: Charging terminal c1 : Earphone jack c2: Plug sp: Speaker mc: Microphone

Claims (2)

[Claims] 1. A charging terminal connected to a power supply battery terminal of a portable telephone device for charging, a plug fitted to an earphone jack of the portable telephone device, and a means for making a hands-free call through the fitted earphone jack and the plug. Or a means for recording the received voice. 2. A charging terminal connected to a power supply battery terminal of a portable recording medium reproducing apparatus for charging, a plug fitted to an earphone jack of the recording medium reproducing apparatus, and a fitted earphone jack and plug. Means for loudspeaking the reproduced sound of the recording medium reproducing device.