JPH10271202A - Simple hand-free speaking device for portable telephone set - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a simple hand-free speaking device provided with a speech starting/terminating operation function and capable of freely detachably attaching its operation part to a simple hand-free speaking device main body. SOLUTION: A voice signal and a speaking control signal are led to a hand- free speaking device 200 through an earphone microphone jack 101 of a portable telephone set 100, and the hand-free speaking device 200 is provided with an operation part system 240 for speech starting/terminating, and an operation part 241 of this operation part system 240 is freely detachably attached to a recessed part 210 provided in the hand-free speaking device main body.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hands-free communication device having a hand-held communication function used in a vehicle or a room such as a portable telephone, a car telephone, and a PHS.

[0002]

2. Description of the Related Art An example of a conventional simple hands-free communication device via an earphone microphone jack of a portable telephone will be described with reference to FIGS. 1 and 2. In FIG. 1, a portable telephone 100 has an earphone microphone jack 101. Accordingly, the plug 231 of the earphone microphone system 230 of the hand-free communication device main body 200 corresponds to the plug 232, and the plug 232 at the other end of the earphone microphone system 230 corresponds to the jack 222 of the hand-free communication device main body 200. The voice signal of the telephone 100 is transmitted to the hand-free communication device body 2
00 is input. The input audio signal is output from the acoustic circuit 20.
7, the speaker 202 and the microphone 203 operate.
The power for driving them is such that the plug 251 of the power supply system 250 is connected to the cigarette lighter plug 252 corresponding to, for example, a cigarette lighter jack of the car, and the hands-free communication device 2 is connected.
00 is supplied to the jack 223. The hands-free communication device 200 has a power switch 20 for turning the power on and off.
8. A volume control volume 204 for the speaker 202 is provided. In order to improve the hands-free call function, in addition to the microphone 203 built in the hands-free call device 200, a hand-free microphone having an external microphone system 260 so that the microphone can be installed as close to the user's mouth as possible. There is also a communication device.

FIG. 2 shows a circuit configuration of the present apparatus. An audio signal is input from the mobile phone to the earphone microphone plug unit, and the speaker and the microphone are operated by the acoustic circuit unit by the power supply of the power supply circuit unit. Therefore, for example, even when driving a vehicle, a telephone call can be made through these speakers and microphone without holding a mobile phone.

[0004]

In the conventional hands-free communication device having the above-described structure, a call can be made in a hands-free state, but there are the following problems. In other words, when there is an incoming call while driving a vehicle, a call is started in that state, and the call is ended, the mobile phone in a state of poor operability must be operated. It is troublesome.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances, and its technical problem is that when a portable telephone is used while driving a vehicle or the like, operations such as a telephone call and a call start / end call can be performed easily and easily. It is an object of the present invention to provide a simple hands-free communication device having excellent functions, which can be performed in a simple manner.

[0006]

According to the present invention, in order to solve the above technical problem, an interface for starting and terminating a call is provided in an earphone microphone plug in addition to a voice signal, and a call is started to a hand-free telephone device body. A switch operation function for ending a call or the like is detachably provided, and a switch operation unit is separated from a hands-free communication device main body and can be separately attached to an arbitrary position.

[0007] A concave portion is provided in a part of the main body of the hands-free communication device, and a switch operation section is detachably mounted in the concave portion.

Therefore, in the hands-free communication device according to the present invention, the switch operation section is provided on the main body of the hands-free communication device in a detachable manner. Since the parts can be separated and attached to a place with good operability, a simple and easy call start / end operation can be performed.

[0009]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a hands-free communication device constructed in accordance with the present invention.

[0010] In FIG. 3, the mobile phone 100 has an earphone microphone jack 101. The earphone microphone jack 101 has a hand-free communication device body 200
The plug 231 of the earphone microphone system 230 corresponds to the plug 232, and the plug 232 at the other end of the earphone microphone system 230 is connected to the jack 222 of the hands-free communication device main body 200,
A voice signal, a call start / end signal, and the like are input from the mobile phone 100 to the hands-free communication device main body 200. The audio signal is input to the sound / switch control / power supply circuit 201, and the speaker 202, the microphone 203 and the like operate. The volume of the speaker 202 is adjusted by a volume 204.

A call start / end signal is sent to the call start / end operation unit 240 to the jack 2 of the hands-free call device 200.
It is led to the switch operation unit 241 via the plug 242 via 21.

Power for driving them is supplied by connecting the plug 251 of the power supply system 250 to the jack 243 of the hands-free communication device 200. The plug 252 at the other end of the power supply system 250 is connected to, for example, a cigarette lighter socket of the vehicle. The state of the power supply of the hands-free communication device main body 200 is displayed on the display unit 205.

In order to improve the hands-free call function,
An external microphone system 260 is provided so that the microphone can be placed as close to the user's mouth as possible. Switching between the microphone 203 of the hand-free communication device main body 200 and the microphone 261 of the external microphone system 260 is automatically performed by inserting the plug 261 of the external microphone system 260 into the jack 244 of the hand-free communication device 200 by the structure of the plug 261 and the jack 244.

A recess 210 is provided in a part of the main body 200 of the hands-free communication device. The recess 210 is the operation unit system 2
The operation unit 241 can be detachably attached to the recess 210 with a shape corresponding to the 40 operation units 241. FIG. 4 shows a state in which the operation unit 241 is attached to the recess 210 of the hands-free communication device 200.

Next, the operation of the above embodiment will be described with reference to FIGS. Hand-free communication device body 20
0 from the mobile phone 100 to the earphone microphone plug 231
The audio signal guided through the audio / switch control / power supply circuit unit 201 is processed by the speaker 202 and the microphone 2
03 is driven. Also, the call control signal is
00 is controlled by the sound / switch control / power supply circuit unit 201 which is switched in response to 00, and the call start / end is controlled by the switch operation unit 241. Power supply is power supply system 25
0, sound, switch control, power supply circuit 201
And drives the speaker 202 and the microphone 203.

FIG. 6 shows a hand-free communication device main body 200.
2 shows a state in which the hand-free communication device main body 200 is installed on a panel in front of the driver's seat of the vehicle with the switch operation unit 241 attached to the vehicle.

FIG. 7 shows a hand-free communication apparatus main body 200.
, The switch operation units 241 are separated from each other, and each of them is installed in the steering column of the vehicle.

As described above, the present invention has been described based on the embodiments. However, the present invention is not limited to the above embodiments, and various changes or modifications can be made within the scope of the present invention. . For example, in the present embodiment, the recess 210 is formed in the hand-free communication device main body 200 in order to detachably mount the switch operation unit 241 to the hands-free communication device main body 200. Need not be.

[0019]

According to the hands-free communication device constructed in accordance with the present invention, the switch operation section for performing switch operations such as the start and end of a call necessary for the communication operation of the portable telephone can be detachably attached to the main body of the hands-free communication device. Is provided. Therefore, the hands-free communication device main body and the switch operation unit can be integrated or separated and attached to an appropriate place, so that the communication operation can be performed easily and easily even during driving of a vehicle or the like. it can.

[Brief description of the drawings]

FIG. 1 is a system configuration diagram of a conventional hands-free communication device.

FIG. 2 is a circuit diagram of a conventional hands-free communication device.

FIG. 3 is a system configuration diagram of a hands-free communication device configured according to the present invention.

FIG. 4 is a front view of a hands-free communication device configured according to the present invention.

FIG. 5 is a circuit diagram of a hands-free communication device configured according to the present invention.

FIG. 6 is a perspective view showing a state in which the main body of the hands-free communication device and the switch operation unit are integrally mounted and mounted on a panel in front of a vehicle driver's seat.

FIG. 7 is a perspective view showing a state in which the main body of the hands-free communication device and the switch operation unit are separated and attached to a steering column of a driver's seat of a vehicle.

[Explanation of symbols]

 100: Mobile phone 200: Hand-free communication device main body 230: Earphone microphone system 250: Power supply system 260: External microphone system

Claims (1)

[Claims] In a simple hand-free communication device (hereinafter referred to as "hand-free communication device") connected via an earphone / microphone jack of a mobile phone, an earphone / microphone plug interface transmits a voice signal and a call start / end of the mobile phone. It has an interface for controlling, a speaker / microphone-based audio circuit, and a switch function for controlling the call start / end, etc., and a switch function operation unit for starting / ending the call, etc., can be detachably attached to the main unit of the hands-free call device. A hands-free communication device which is attached.