JPH10243072A - Hand-free telephone set and telephone system using it - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the hand-free telephone set and the telephone system using it in which a portable telephone set is popped up by one hand and the service life of a battery is extended. SOLUTION: A case 1 is shaped to be a conventional can shape and the case 1 is placed to a cup holder(CH) mounted on an automobile. A portable telephone set 20 is inserted to a telephone set container 2 of the case 1 and a hand-free state is attained by connecting a harness. A microphone and speaker is provided on the can-shaped case 1 and driven by a battery power supply. When a pushbutton 12c is depressed, lock between a lock part 12b and a lock hole 12e is released and a telephone set container 2 is popped up by a compression coil spring 11. The popup state is detected by a push-rod 6b and a limit switch 6a and the battery power supply is energized in this case only.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hands-free set-type telephone system using a general-purpose portable telephone, which can be widely used in vehicles, homes, etc., is compact and convenient for installation, and has a particularly long battery life. And a telephone system using the same.

[0002]

2. Description of the Related Art In recent years, automobile telephones have become extremely popular, and in addition to conventional handset telephones, hands-free telephones have been developed in order to avoid one-handed driving during the operation of the handset.

[0003] This type of hands-free telephone set is
A microphone for transmission is installed in, for example, a sun visor section, and an ON / OFF switch for transmission and reception is installed in, for example, a steering wheel section.
Since the dedicated speaker or the in-vehicle audio speaker is also used, the driver can talk without releasing the hand from the steering wheel.

[0004] In this case, since a car-dedicated telephone cannot be used once leaving the car, a conventional general-purpose portable telephone is configured to be connectable to a hands-free set telephone device. At that time, a mobile phone that can be used has been proposed.

[0005] Such a hands-free set type mobile phone system is configured such that a hands-free set housing is mounted in a seat side box of a center console or on a lid of the seat side box, and a mobile phone is set therein. Have been.

[0006]

However, in the conventional hands-free set car telephone system, there are (1) restrictions on the installation location, and (2) a harness or hands-free set for connecting the hands-free set to a vehicle power supply. There have been various problems such as the need for a harness for connecting to a mobile phone, and (3) a complicated structure and high cost.

That is, in the conventional device, the hands-free set is stored in the seat side box of the center console or tied to the lid, so that the seat side box cannot be used, and the shape of the seat side box differs depending on the vehicle type. Therefore, it is difficult to firmly fix it, or a special part for mounting is required separately, which causes an increase in cost.

Further, when the hands-free set is mounted on the lid of the seat side box, the signal wiring harness is exposed, and there is a problem that the interior is not organized and the appearance is poor. Since the user needs to operate the device facing sideways, the operability is poor.

[0009] Therefore, the present inventors have made the housing of the hands-free telephone device into a general-purpose can shape, put a portable telephone therein, and adopted a battery as a driving power source, so that it was compact and convenient for installation. An inexpensive hands-free set and a telephone system using it have been developed.

However, when the operation buttons of the mobile phone are pressed or the display panel is viewed, it is necessary to take the mobile phone out of the can housing one by one, and this operation requires the use of both hands. It turned out to be bad. It has also been found that if power is constantly supplied to the drive circuit using a battery, the frequency of replacement of the battery increases, which is inconvenient.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and it is an object of the present invention to provide a hands-free telephone device which enhances the operability of a portable telephone and has a longer battery life, and a telephone system using the same. Aim.

[0012]

To achieve the above object, a hands-free telephone device according to the present invention comprises a microphone, a loudspeaker, a battery power supply, and an on / off switch for the battery power supply in a housing formed in a general-purpose can shape. In a hands-free telephone device in which a switch is provided and a telephone housing for accommodating a mobile phone is provided in the housing so as to be vertically movable with respect to the housing, the mobile phone is housed in the telephone housing. And a telephone set detecting means for detecting whether or not the telephone is turned on and controlling the on / off switch.

In the hands-free telephone device of the present invention, since the telephone housing is provided so as to be vertically movable with respect to the housing, the telephone housing is used when pressing the operation button of the portable telephone or viewing the display panel. Move the part upward.
As a result, the mobile phone jumps out of the can-shaped housing,
Button operation is easy and visibility of the display panel is good.

Further, at this time, the on / off switch is turned off in principle, and it is detected by the telephone set detecting means that the portable telephone is set in the telephone housing and the telephone housing is moved to the top dead center. Only when the battery power is turned on, the battery life can be significantly improved even if a dry battery or the like is used.

When it is not necessary to access the mobile phone, the phone housing is moved downward. Thereby, the center of gravity of the can-shaped housing in which the mobile phone is accommodated moves downward, so that the stability is improved. Also, at this time, since the on / off switch of the battery power supply is turned off, power saving can be realized.

In the hands-free telephone device of the present invention,
The specific configuration of the telephone set detecting means is not particularly limited. In one embodiment, the on / off switch comprises a limit switch provided on the housing, the telephone set detecting means comprises a push rod provided on the telephone housing, and the push rod comprises the mobile phone. When the telephone is set in the telephone receiving section, it protrudes toward the limit switch, and the limit switch is provided at a position that is turned on by the protruding push rod when the telephone receiving section moves to the top dead center. ing.

In this hands-free telephone device, since the telephone set detecting means is mainly constituted by mechanical elements, a complicated electric circuit or the like is not required, so that the cost can be suppressed and the control circuit board can be prevented from being enlarged. . Further, since the push rod and the limit switch are small components, it is possible to suppress an increase in the size of the hands-free telephone device itself.

In the hands-free telephone device of the present invention,
Although the vertical movement mechanism of the telephone housing is not particularly limited, an elastic body provided between the housing and the telephone housing to urge the telephone housing upward, and a bottom dead center for the telephone housing. It is preferable to have locking means for locking in the vicinity.

In this hands-free telephone device, when the locking of the telephone housing by the locking means is released, the telephone housing moves upward with one touch by the urging of the elastic body. That is, since the mobile phone pops up by one-handed operation, there is a great effect particularly when the mobile phone is applied to a vehicle.

In addition to the above features, the hands-free telephone device of the present invention has the following features. That is, in the hands-free telephone device of the present invention, since its housing is formed in a general-purpose can shape, installation is extremely convenient.
For example, when used for in-vehicle use, it can be directly installed on a cup holder mounted on an automobile, and when used for home use, it can be installed on a table or other place as it is.

In the case where the hands-free telephone device of the present invention is applied to a vehicle, the cup holder in which the casing having a general-purpose can shape is installed may be one which is mounted on a vehicle in advance or one which is retrofitted. included. The mounting position of the cup holder is not particularly limited, and may be anywhere such as a center console, a door side, or an upper surface of an instrument panel.

In the hands-free telephone device according to the present invention, since the microphone as the input unit of the hands-free set and the speaker as the output unit are provided in the can-shaped housing, the microphone, the speaker, and the control circuit board are provided. The harness for connecting to the vehicle is not exposed indoors.

Further, in the hands-free telephone device of the present invention, since the power source of the various electronic components provided on the control circuit board is a battery and the battery power source is provided in the can-shaped casing, the power source and the control circuit board are provided. The harness for connecting to the vehicle is not exposed to the room, and can be moved freely anywhere.

In this case, the battery may be a secondary battery. In addition, it is preferable that a terminal for charging the secondary battery be provided by a vehicle power supply when applied for in-vehicle use and a household outlet when applied for home use. By doing so, the vehicle-mounted battery power can be supplied from the cigarette terminal or the like, or the household power can be supplied from the outlet, so that the battery can be charged as it is even if the battery capacity is reduced by prolonged use, which is more convenient than a dry battery. . In the hands-free telephone device of the present invention, a manual on / off switch for battery power may be provided.

In the hands-free telephone device of the present invention,
It is preferable that the microphone and the speaker are connected to an input / output terminal of a built-in microphone and a built-in speaker of the mobile phone via a harness. By providing only a microphone and a speaker in a hands-free telephone device, that is, by using a portable telephone as a transmission / reception circuit, a compact and inexpensive hands-free telephone device can be provided.

In the hands-free telephone device of the present invention,
It is preferable that a control circuit board that controls transmission and reception of audio signals between the microphone and the speaker and the input / output terminals of the built-in microphone and the built-in speaker of the mobile phone is provided in the can-shaped housing. By providing the control circuit board in the housing, the connection harness for connecting the microphone and the speaker is not exposed to the room.

The above object can also be achieved by a telephone system having the above-described hands-free telephone device and a portable telephone.

[0028]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing a hands-free telephone system of the present invention, FIG. 2 is a perspective view showing an installed state of a hands-free telephone device of the present invention, FIG. 3 is a block diagram showing a hands-free telephone system of the present invention, and FIG. Is a longitudinal sectional view of the embodiment, FIG. 5 is a transverse sectional view, FIG. 6 is a longitudinal sectional view showing a pop-up state, and FIG. 7 is an enlarged vertical sectional view showing a telephone set detecting means.

First, the basic configuration will be described. The hands-free telephone device 10 of the present embodiment has a housing 1, which is specifically about 60 mm in diameter and about 120 mm in height. It is formed in a general-purpose can shape. The material of the housing 1 is not particularly limited, and can be formed of aluminum, steel, synthetic resin, or the like. In addition, the numerical value of the size of the can shape described above is merely an example, and it is sufficient that the size is such that the general-purpose mobile phone 20 can be inserted.

The can housing 1 is provided with a telephone housing 2 for inserting and housing the mobile phone 20. As shown in FIG. 4, the telephone housing 2 has a cylindrical shape with a vertical section and a bottomed cylindrical shape, and is inserted along the inner wall of the housing 1, and as shown in FIG. Is formed. Note that “13” shown in FIG.
This is a spacer for absorbing a difference in size (mainly thickness) of the spacer, and is made of an elastic material such as a foam.

A compression coil spring (elastic body) 11 is provided between the bottom of the telephone housing 2 and the bottom of the housing 1, and when no load is applied, the telephone housing 2 is moved as shown in FIG. Push up to the top opening of housing 1. In the present embodiment, the compression coil spring 11 is adopted as the elastic body, but the elastic body of the present invention is not limited to this. The use of the compression coil spring 11 has an advantage that a storage space for a battery power source 5 described later can be secured.

The telephone housing 2 is fixed in a state shown in FIG. Locking means 1 of the present embodiment
2 is a hinge 12 with a spring penetrated through the side wall of the can-shaped housing 1.
and a locking hole 12e formed in the telephone housing 2 so as to lock with a locking portion 12b formed at the tip of the rod 12a. .

The rod 12a is urged in the direction of arrow A shown in FIG. 4 by the spring force of the spring-loaded hinge 12d. That is, the locking portion 12b of the rod 12a is urged to be pressed in the direction of the locking hole 12e of the telephone housing 2. Therefore, when the push button 12c attached to the other end of the rod 12a is pressed in the locked state shown in FIG. 4, the locking between the locking portion 12b and the locking hole 12e is released. The urging force causes the telephone housing 2 to pop up as shown in FIG.

On the other hand, from the state shown in FIG.
Is pressed down, the locking portion 12b of the rod 12a is urged in the direction A in the drawing by the hinge 12d with a spring, but is locked along the side wall of the telephone housing portion 2 as the telephone housing portion 2 descends. The so-called snap-fit is locked in the hole 12e.

The can-shaped casing 1 includes a microphone 3 and a speaker 4 described later, and an input / output terminal 21 of a built-in microphone 22 and a built-in speaker 23 of the mobile phone 20.
And a control circuit board 8 for controlling transmission and reception of audio signals to and from the control circuit. The control circuit board 8 may be fixed to the housing 1 or to the telephone housing 2.
Further, in the present invention, it is not necessary to form the control circuit board 8 in a plate shape, but this is a desirable configuration in that the control circuit board 8 is formed in a plate shape and this is used as a guide for the telephone housing unit 2.

A microphone 3 and a speaker 4 are provided so as to be partially exposed on the front surface of the can-shaped housing 1 and on the back surface side shown in FIG. 1 (see FIG. 2). The microphone 3 is for inputting a voice of a driver or the like in place of the built-in microphone 22 of the mobile phone 20, and is provided on the control circuit board 8 at the input / output terminal 21 of the mobile phone 20, as shown in FIG. By connecting the earphone jack (harness) 7, an audio signal input from the microphone 3 is transmitted from the input / output terminal 21 to the mobile phone 20 via the control circuit 8 and the harness 7, and the mobile phone 20 has a built-in audio signal. After being subjected to signal processing by a control circuit (not shown), the signal is transmitted as a radio signal from the built-in antenna 24 to the communication partner side.

On the other hand, the speaker 4 outputs voice from the other party in place of the built-in speaker 23 of the mobile phone 20, and as shown in FIG.
By connecting the earphone jack (harness) 7 provided on the control circuit board 8 to the input / output terminal 21 of the mobile phone 20, the control circuit of the mobile phone 20 processes the audio radio signal received by the built-in antenna 24 from the other party. After being done,
The signal is output from the speaker 4 to the room via the input / output terminal 21, the harness 7, and the control circuit 8.

In the hands-free telephone device 10 of the present embodiment, a battery power source 5 is provided on the bottom surface of the can-shaped casing 1, and an on / off switch 6a for the battery power source 5 is formed in series with the battery power source 5. I have.

In the present embodiment, the battery power supply 5 may be a general-purpose dry battery or a secondary battery. When the battery power supply 5 is a secondary battery, a charging terminal may be provided, and the secondary battery may be charged by an automobile battery. By doing so, the on-board battery power can be supplied from the cigarette terminal or the like, so that the battery can be charged as it is even if the battery capacity is reduced due to long-time use, which is more convenient than a dry battery. Note that, instead of the battery power supply 5, the vehicle battery power may be directly supplied from a cigarette terminal or the like.

It should be noted that a manual on / off switch for the battery power supply 5 may be provided on the front surface of the can-shaped housing 1, in the embodiment shown in FIG.

Particularly, in the present embodiment, the battery power supply 5 described above is used.
The ON / OFF switch 6a is turned ON only when necessary, and turned OFF in principle when not used. For this purpose, a limit switch is employed as the on / off switch 6a, and as shown in FIGS.
a is provided above the inner wall of the housing 1. Further, a push rod 6b is provided in the telephone housing 2 to perform on / off control of the limit switch 6a. The push rod 6b is provided with a spring that penetrates the telephone housing 2 and biases the push rod 6b leftward as shown in FIG. When the mobile phone 20 is not set, the push rod 6b does not protrude toward the limit switch 6a, as shown in FIG. It protrudes so as to turn on the limit switch 6a. As described above, the limit switch 6a is provided at a position where it is turned on by the push rod 6b that protrudes when the telephone housing 2 moves to the top dead center.

The hands-free telephone device 10 of the present embodiment
Can be installed in the cup holder CH as shown in FIG. The cup holder CH includes not only one that is previously installed in the center console of an automobile, but also one that is retrofitted. The mounting position of the cup holder CH is not particularly limited, and may be anywhere such as a center console, a door side, or an upper surface of an instrument panel. Also, the hands-free telephone device 10 is connected to the cup holder C.
When it is installed at H, it is desirable to place the surface on which the microphone 3, the speaker 4, and the manual on / off switch 6 are provided, facing the driver.

When used as a hands-free device, the portable telephone 20 is inserted into the telephone housing 2 as shown in FIG. 4, and the jack of the harness 7 is inserted into the input / output terminal 21 of the portable telephone 20. In this state, since the telephone housing 2 is fixed at the bottom dead center, the limit switch 6a does not operate, and the battery power supply 5 is in the OFF state.

Here, when making a call, when a call is received, or when it is desired to view the display panel of the mobile phone 20, the push button 12c of the locking means 12 is pressed.
As a result, the locking between the locking portion 12b and the locking hole 12e is released, and the telephone accommodating portion 2 pops up as shown in FIG. At the same time, the protruding push rod 6b comes into contact with the limit switch 6a, so that the on / off switch of the battery power supply 5 is turned on.

As a result, a hands-free state is established,
The driver's voice is input from the microphone 3 and is transmitted to the mobile phone 2 via the control circuit 8, the harness 7, and the input / output terminal 21.
0 is sent to the built-in control circuit. Then, it is transmitted from the built-in antenna 24 as a sound wave. On the other hand, the voice from the other party is received by the built-in antenna 24 and the mobile phone 2
0 after being processed by the built-in control circuit.
The signal is output from the speaker 4 to the room via the harness 7 and the control circuit 8. Thereby, the driver can talk on the phone without releasing the hand from the steering wheel. In addition, since the driver can pop up the mobile phone 20 with one hand, it is easy to operate the operation buttons and visually recognize the display panel.

On the other hand, when the call ends, the mobile phone 20
When the telephone housing 2 is pushed down by holding it, the contact between the push rod 6b and the limit switch 6a disappears, and the on / off switch of the battery power supply 5 is turned off.

As described above, in the hands-free telephone system of this embodiment, the battery power supply 5 is turned on only when necessary,
In other cases, the battery is turned off, so that the battery life is significantly improved even when a dry battery or the like is used.

The hands-free telephone device 1 of the present embodiment
0 indicates that the housing 1 is formed in a general-purpose can shape,
Cup holder CH mounted on the car as shown in FIG.
It is very convenient because it can be installed as it is without difficulty. Further, since the can-shaped casing 1 has a function of accommodating the mobile phone 20, only the insertion of the mobile phone 20 is sufficient, which is extremely simple.

Further, since the microphone 3 as an input unit of the hands-free set and the speaker 4 as an output unit are provided in the housing 1, the microphone 3 and the speaker 4 are connected to the control circuit board 8. Harness is routed inside the housing 1 and is not exposed indoors.

The power supply 5 for the various electronic components provided on the control circuit board 8 is a dry battery or a secondary battery and is built in the housing 1 so that a harness for connecting the power supply 5 and the control circuit board 8 can be obtained. Are also routed inside the housing 1 and are not exposed indoors. Also, the hands-free telephone device 10
Can be moved freely anywhere.

Furthermore, in the hands-free telephone device 10 of the present embodiment, only the microphone 3 and the speaker 4 are provided, and the transmission / reception circuit and the like of the portable telephone 20 are used, so that the hands-free telephone device 10 which is compact and inexpensive is provided. can do.

The embodiments described above are described for facilitating the understanding of the present invention, and are not described for limiting the present invention. Therefore, each element disclosed in the above embodiment is intended to include all design changes and equivalents belonging to the technical scope of the present invention.

For example, a design such as a picture may be applied to the surface of the housing 1 to add a design effect. Further, the present invention can be applied to home use and the like in addition to the use for vehicles.

[0054]

As described above, according to the present invention, the battery life can be remarkably improved in providing a compact and convenient installation of a hands-free telephone device. In addition, the mobile phone can be popped up with one hand, which is extremely convenient.

Also, the hands-free telephone device of the present invention
Since the microphone, the speaker, the power supply, and the control circuit board are provided in the housing, the harness does not need to be routed and can be moved anywhere. Also, it looks good. In addition, since the transmission / reception control circuit and the like use a mobile phone, an inexpensive hands-free telephone device can be provided.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a hands-free telephone system according to the present invention.

FIG. 2 is a perspective view showing an installed state of the hands-free telephone device of the present invention.

FIG. 3 is a block diagram showing a hands-free telephone system according to the present invention.

FIG. 4 is a longitudinal sectional view showing an embodiment of the present invention.

FIG. 5 is a cross-sectional view showing an embodiment of the present invention.

FIG. 6 is a longitudinal sectional view (pop-up state) showing the embodiment of the present invention.

FIG. 7 is an enlarged sectional view showing a telephone set detecting means according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Hands-free telephone device 1 ... Housing | casing 2 ... Telephone accommodation part 3 ... Microphone 4 ... Speaker 5 ... Battery power supply 6a ... Limit switch (on / off switch) 6b ... Push rod (telephone set detection means) 7 ... Harness 8 ... Control Circuit board 11 ... Compression coil spring (elastic body) 12 ... Locking means 12a ... Rod 12b ... Locking portion 12c ... Push button 12d ... Hinge with spring 12e ... Lock hole 20 ... Mobile phone 21 ... Input / output terminal 22 ... Built-in microphone 23: Built-in speaker 24: Built-in antenna CH: Cup holder

Continued on the front page (51) Int.Cl. ⁶ Identification code FI H04Q 7/32 H04B 7/26 V H04B 7/26 L

Claims (10)

[Claims] A housing (1) formed in a general-purpose can shape is provided with a microphone (3), a speaker (4), a battery power supply (5), and an on / off switch (6a) for the battery power supply. Telephone housing section (2) for housing telephone (20)
However, in the hands-free telephone device provided in the housing so as to be movable up and down with respect to the housing, it is determined whether or not a mobile phone (20) is housed in the phone housing portion (2). And a telephone set detecting means (6b) for controlling the on / off switch (6a). 2. The telephone set detecting means (6b) turns on the on / off switch when a portable telephone is set in the telephone housing and the telephone housing is moving to the top dead center. The hands-free telephone device according to claim 1, wherein: 3. The on / off switch (6a) comprises a limit switch provided on the housing, and the telephone set detecting means (6b) comprises a push rod provided on the telephone housing. The push rod protrudes toward the limit switch when the mobile phone is set in the telephone housing, and the limit switch is turned on by the protruding push rod when the telephone housing moves to the top dead center.
2. The device according to claim 1, wherein the device is provided at a predetermined position.
Or the hands-free telephone device according to 2. 4. The housing (1) and the telephone housing (2).
And an elastic body (11) provided between the first and second members for urging the telephone accommodating portion upward, and locking means (12) for locking the telephone accommodating portion near the bottom dead center. The hands-free telephone device according to any one of claims 1 to 3. 5. The hands-free telephone device according to claim 1, wherein said housing (1) is installed on a cup holder (CH) mounted on an automobile. 6. A hands-free telephone device according to claim 1, wherein said battery power supply is a secondary battery. 7. The hands-free telephone device according to claim 6, further comprising a terminal for charging said secondary battery. 8. The portable telephone (2) is connected to the microphone (3) and the speaker (4) via a harness (7).
8. The microphone according to claim 1, wherein said input / output terminal is connected to an input / output terminal of a built-in microphone and a built-in speaker.
The hands-free telephone device according to any one of the above. 9. The input / output terminals (21) of the microphone (3) and the speaker (4) and the built-in microphone (22) and the built-in speaker (23) of the portable telephone are provided in the can-shaped housing (1). The hands-free telephone device according to claim 8, further comprising a control circuit board (8) for controlling transmission and reception of the audio signal. 10. A telephone system comprising a hands-free telephone device (10) according to any one of claims 1 to 9 and a mobile telephone (20).