JPH10243071A - 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 to which a portable section is easily set. 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 7. The connection to the portable telephone set 20 is made by inserting a connection terminal of the harness 7 placed to an upper side of the case 1 while being stood upright to an input output terminal 21.

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 for use in vehicles, homes and the like, and using a general-purpose portable telephone. Telephone system.

[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 a need for a harness for connecting to a mobile phone, and (3) a complicated device 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. In this hands-free telephone device, by connecting the built-in microphone and built-in speaker of the mobile phone to the control circuit using a connection harness such as an earphone jack,
The voice is input and output from a microphone and a speaker provided on the hands-free telephone device side.

However, depending on the type of mobile phone,
The position of the input / output terminal of the earphone jack is different on the right side, on the left side, or on the top side, so if you want to support all mobile phones in consideration of versatility, It is necessary to provide an extra long harness. For this reason, the harness when not in use does not fit well, and when trying to set a mobile phone, the harness terminal must be searched by hand,
It turned out to be inconvenient to use.

The present invention has been made in view of such problems of the prior art, and has as its object to provide a hands-free set with improved operability when setting a portable telephone and a telephone system using the same. Aim.

[0012]

In order to achieve the above object, a hands-free telephone device according to the present invention is provided with a microphone, a speaker, and a battery power supply in a housing formed in a general-purpose can shape. In the hands-free telephone device, wherein the speaker is connected to a built-in microphone of the mobile phone and an input / output terminal of the built-in speaker via a harness, the connection terminal of the harness is provided upright on the upper surface of the housing. It is characterized by.

[0013] In the hands-free telephone device of the present invention, since the connection terminal of the harness is provided upright on the upper surface of the housing, the connection terminal of the harness is immediately found when the mobile phone is set. Operability is significantly improved. In addition, the harness fits well and the appearance is improved.

[0014] In this case, it is more preferable that the connection terminal of the harness is provided rotatably with respect to an upper end edge of the housing. By doing so, no matter where the input / output terminal of the mobile phone is provided, it is possible to move to the nearest position by rotating the connection terminal of the harness.

In the hands-free telephone device of the present invention,
The rotatable angle of the connection terminal of the harness is not particularly limited, but is more preferably 180 ° or less with respect to the upper edge of the housing. This is because, if provided so as to be rotatable more than 180 °, the harness becomes entangled.

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 is not only one that is previously mounted on a car but also one that 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 of 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, 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 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, an on / off switch for battery power may be provided.

In the hands-free telephone device of the present invention, only the microphone and the speaker are provided in the hands-free telephone device, that is, since the transmission / reception circuit and the like are those of a portable telephone, the hands-free telephone device is compact and inexpensive. 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. In this case, it is preferable to provide a control circuit board by utilizing an empty space in the housing.

[0023] In the hands-free telephone device of the present invention, it is preferable that a telephone accommodating portion accommodating a portable telephone is formed in the can-shaped casing. The can-shaped housing has a function of accommodating the mobile phone, and by installing the housing in a cup holder or the like, the mobile phone can be easily placed.

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

[0025]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing an embodiment of 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 embodiment, and FIG. 3 shows a hands-free telephone system of the embodiment. FIG. 4 is a block diagram, FIG. 4 is a longitudinal sectional view showing the hands-free telephone device of the embodiment, and FIG. 5 is a plan view of the same.

The hands-free telephone device 10 of the present embodiment
Has a housing 1, which is specifically formed in a general-purpose can shape having a diameter of about 60 mm and a height of about 120 mm. 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,
In short, any size may be used as long as the general-purpose mobile phone 20 can be inserted.

A ring-shaped member 1a is rotatably attached to the upper end edge of the housing 1, and terminals of a harness 7, which will be described later, are provided upright on the ring-shaped member 1a. As shown in FIG. 4, the housing 1 and the ring-shaped member 1a are rotatably connected to each other in an annular concave-convex structure, and further provided on the housing 1 and / or the ring-shaped member 1a as shown in FIG. The stoppers 1b, 1b (provided on both the housing 1 side and the ring-shaped member 1a side in this embodiment) come into contact with each other, so that the ring-shaped member 1a becomes 1
It does not rotate more than 80 °. This is to prevent the harness 7 from being entangled.

In this embodiment, a spring 9 is attached to the harness 7 in order to raise the terminal of the harness 7 on the ring-shaped member 1a. The spring 9 allows the terminal of the harness 7 to maintain its upright posture when there is no load, and to be tilted by its elastic force when inserted into the input / output terminal 21 of the mobile phone 20.

It is to be noted that a specific configuration in which the terminals of the harness 7 are provided rotatably with respect to the upper edge of the housing 1 and the harness 7
The specific configuration for raising the terminal is not limited to this embodiment, and can be variously modified.

The can housing 1 is formed with a telephone housing 2 for inserting and housing the mobile phone 20. Further, the can-shaped housing 1 is provided with a microphone 3 and a speaker 4 to be described later, and a control circuit board 8 for controlling transmission and reception of an audio signal between the built-in microphone 22 and the input / output terminal 21 of the built-in speaker 23 of the mobile phone 20. Have been. Then, as shown in FIG. 1, by inserting the plate-shaped control circuit board 8 into the can-shaped housing 1, the above-described telephone housing 2 is partitioned and formed in the can-shaped housing 1. ing. In the present invention, it is not necessary to form the control circuit board 8 in a plate shape, and it is not necessary to form the telephone housing 2 by the control circuit board 8.
Is formed in a plate-like shape, and the telephone housing portion 2 is formed in this manner, so that the control circuit board 8 exhibits a so-called backrest function of the mobile phone 20, which is a desirable configuration.

A microphone 3 and a speaker 4 are provided so as to be partially exposed on the surface of the can-shaped casing 1, in the embodiment shown in FIG.
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.
As shown in FIG. 3, by connecting the terminal of the earphone jack (harness) 7 provided on the control circuit board 8 to the input / output terminal 21 of the mobile phone 20, the audio signal input from the microphone 3 is controlled. The signal is transmitted from the input / output terminal 21 to the mobile phone 20 via the circuit 8 and the harness 7, subjected to signal processing by a built-in control circuit (not shown) of the mobile phone 20, and then transmitted as a radio signal from the built-in antenna 24 to the communication partner side. Sent.

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 terminal of the earphone jack (harness) 7 provided on the control circuit board 8 to the input / output terminal 21 of the mobile phone 20, the voice radio signal received by the built-in antenna 24 from the other party is After the signal processing, 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 housing 1, and the surface of the can-shaped housing 1, in the embodiment shown in FIG. An on / off switch 6 for a battery power supply 5 is provided on the front side of the housing 2. In the present embodiment, the battery power source 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 this,
Since the vehicle battery power can be supplied from a cigarette terminal or the like, the battery can be charged as it is even when the battery capacity is reduced due to long-term 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.

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 in the H, it is desirable that the surface on which the microphone 3, the speaker 4 and the on / off switch 6 are provided is placed facing the driver.

When the portable telephone 20 is used as a hands-free device, the portable telephone 20 is inserted into the telephone housing 2, and the terminal of the harness 7 is inserted into the input / output terminal 21 of the portable telephone 20. At this time, depending on the type of the mobile phone 20, the input / output terminal 21 may be different such as right side, left side, top right, top left, and so on. Therefore, the ring-shaped member 1 a is rotated according to the installation position of the input / output terminal 21 of the mobile phone 20, and the terminal of the harness 7 is brought near the input / output terminal 21. Then, the terminal of the harness 7 is inserted into the input / output terminal 21. Such an operation is performed by connecting the housing 1 to the cup holder CH.
It can be carried out with one hand while it is installed on the like. Also, since only the terminal portion of the harness 7 stands upright from the housing 1, it is not unsightly in appearance, and the ring-shaped member 1a cannot be rotated more than 180 °.
There is no entanglement.

Thus, the harness 7 is connected to the input / output terminal 2
When connected to 1, it becomes a so-called hands-free state,
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, processed by the built-in control circuit of the mobile phone 20, and then transmitted from the speaker 4 to the room via the input / output terminal 21, the harness 7, and the control circuit 8. Is output to Thereby, the driver can talk on the phone without releasing the hand from the steering wheel.

In the hands-free telephone device 10 of the present embodiment having the above-described configuration, the housing 1 is formed in a general-purpose can shape, and as shown in FIG. It is very convenient because it can be installed without any difficulty. Also, since the can-shaped housing 1 has a function of accommodating the mobile phone 20, the mobile phone 20
Is very simple.

Moreover, 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.

[0044]

As described above, according to the present invention, in providing a compact hands-free telephone device which is easy to install, the operation when setting the portable telephone becomes 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 a hands-free telephone device of the present invention.

FIG. 5 is a plan view showing a hands-free telephone device of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Hands-free telephone apparatus 1 ... Case 1a ... Ring-shaped member 1b ... Stopper 2 ... Telephone accommodation part 3 ... Microphone 4 ... Speaker 5 ... Battery power supply 6 ... ON / OFF switch 7 ... Harness 8 ... Control circuit board 9 ... Spring 20 ... Mobile phone 21 ... Input / output terminal 22 ... Built-in microphone 23 ... Built-in speaker 24 ... Built-in antenna CH ... Cup holder

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁶ Identification code FI H04M 1/60 H04M 1/60 A

Claims (11)

[Claims] 1. A microphone (3), a speaker (4) and a battery power supply (5) are provided in a housing (1) formed in a general-purpose can shape, and the microphone (3) and the speaker (4) are In a hands-free telephone device connected to a built-in microphone of a mobile phone (20) and an input / output terminal (21) of a built-in speaker via a harness (7), a connection terminal of the harness (7) is connected to the housing (1). A hands-free telephone device characterized by being provided upright on the upper surface of (1). 2. The hands-free telephone device according to claim 1, wherein a connection terminal of the harness is rotatably provided with respect to an upper edge of the housing. 3. The hands-free telephone device according to claim 2, wherein a rotation angle of a connection terminal of the harness is not more than 180 ° with respect to an upper edge of the housing. 4. The hands-free telephone device according to claim 1, wherein said housing (1) is installed on a cup holder (CH) mounted on an automobile. 5. A portable telephone (2) is provided in said can-shaped housing (1).
The hands-free telephone device according to any one of claims 1 to 4, wherein a telephone housing portion (2) for housing the telephone device (0) is formed. 6. The hand according to claim 1, wherein an on / off switch (6) for the battery power supply (5) is provided on the can-shaped housing (1). Free telephone equipment. 7. A hands-free telephone device according to claim 1, wherein said battery power supply is a secondary battery. 8. The hands-free telephone device according to claim 7, further comprising a terminal for charging said secondary battery. 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 any one of claims 1 to 8, further comprising a control circuit board (8) for controlling transmission and reception of a voice signal. 10. The hands-free telephone according to claim 9, wherein said telephone housing (2) is defined inside said can-shaped housing (1) by said control circuit board (8). apparatus. 11. A telephone system comprising a hands-free telephone device (10) according to any one of claims 1 to 10 and a mobile telephone (20).