JPH11234380A - On-vehicle adapter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To permit data communication with a portable telephone mounted on a holder and to cope with multi-functions in recent years. SOLUTION: This adapter is provided with an adapter main body 3 which has a handsfree circuit 14 for voice communication and an interface circuit 15 for external connection and which includes a transmitting voice path switching circuit 11 and a receiving voice path switching circuit 12 which are selectively connectable to each circuit 14 and 15, and with a holder 2 which is attached to the body 3 and can attach and detach a portable telephone 4, and is equipped with a magnet 9. The main body 3 also includes a detection switching circuit 13 which has a reed switch 16 that corresponds to the magnet 9 and switches both of the circuits 11 and 12 by ON/OFF with the magnet 9 of the switch 16 in the body 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an in-vehicle adapter suitable for installation in, for example, an automobile.

[0002]

2. Description of the Related Art In recent years, with the liberalization of the telecommunications business, various types of mobile communication media, such as portable telephone radios, have become popular.

[0003] In such mobile communication media, a portable telephone wireless device (portable telephone) is carried by a user by storing it in a pocket such as a bag or clothes, as the size of the wireless device itself becomes smaller and lighter. It is often used by mounting it in a car.

When a portable telephone is used in a car, an in-vehicle adapter having a call function and a charging function is used.

Heretofore, this type of in-vehicle adapter employs an adapter body having a hands-free circuit for voice communication and a holder attached to the adapter body to which a portable telephone can be attached and detached.

In order to use the vehicle-mounted adapter configured as described above, the vehicle-mounted adapter is installed in an automobile or the like, and a mobile phone is mounted on a holder of the vehicle-mounted adapter.

[0007]

However, in the conventional in-vehicle adapter, when the portable telephone is mounted on the holder, the portable telephone is simply connected to the hands-free circuit. Therefore, the portable telephone is connected to the external terminal. And could not connect. As a result, data communication or the like cannot be performed while the mobile phone is attached to the holder,
There has been a problem that it is not possible to cope with multifunctionality in recent years. Although the prior art is disclosed in Japanese Patent Laid-Open No. Hei 5-91039, the above-mentioned problem has not been solved.

The present invention has been made in view of such circumstances, and provides an in-vehicle adapter capable of performing data communication and the like with a portable telephone mounted on a holder and capable of responding to multifunctionalization in recent years. With the goal.

[0009]

According to a first aspect of the present invention, there is provided a vehicle-mounted adapter having a hands-free circuit for voice communication and an interface circuit for external connection. An adapter body containing a selectively connectable transmission voice path switching circuit and a reception voice path switching circuit, and a holder attached to the adapter body for attaching and detaching a mobile phone are provided. A detection unit is provided, and a detection switching circuit that switches between the two audio path switching circuits depending on the presence or absence of detection by the detection unit is provided in the adapter body. Therefore, a switching detection signal is output from the switching detection circuit to the transmission voice path switching circuit and the reception voice path switching circuit depending on whether or not the detected portion is detected by the detection section of the adapter body, and the mobile phone and the external interface circuit or the hands-free circuit are connected to each other. A mobile phone is connected.

According to a second aspect of the present invention, in the vehicle adapter according to the first aspect, a data communication line is connected to the interface circuit. Therefore,
A switching detection signal is output from the switching detection circuit to the transmission voice path switching circuit and the reception voice path switching circuit depending on whether or not the detected portion is detected by the detection unit of the adapter body, and the mobile phone and the data communication line or the hands-free circuit and the mobile phone Is connected.

[0011] The invention according to claim 3 is the invention according to claim 1 or 2.
In the in-vehicle adapter described above, the presence or absence of detection by the detection unit is determined by a switch ON / OFF device. Therefore, a switch detection signal is output from the switch detection circuit to the transmission voice path switching circuit and the reception voice path switching circuit by the switch ON / OFF of the switch ON / OFF device, and the mobile phone and the interface circuit or the hands-free circuit and the mobile phone are connected. Connected.

According to a fourth aspect of the present invention, in the vehicle-mounted adapter according to the third aspect, the switch ON / OFF device includes a magnet and a reed switch.
Therefore, the ON / OFF of the reed switch by the magnet
When the switch is turned off, a switch detection signal is output from the switch detection circuit to the transmission voice path switching circuit and the reception voice path switching circuit, and the mobile phone is connected to the interface circuit or the hands-free circuit to the mobile phone.

According to a fifth aspect of the present invention, in the vehicle adapter according to the third aspect, the switch ON / OFF device includes a light blocking member and a photo interrupter. Therefore, a switching detection signal is output from the switching detection circuit to the transmission voice path switching circuit and the reception voice path switching circuit depending on whether or not light is detected by the photo interrupter depending on the presence or absence of the light blocking member. Is connected.

According to a sixth aspect of the present invention, in the vehicle adapter according to the third aspect, the switch ON / OFF device includes a contact and a press switch. Therefore, the switch ON / OF of the press switch by the contact
By F, a switching detection signal is output from the switching detection circuit to the transmission path voice switching circuit and the reception path voice switching circuit, and the mobile phone is connected to the interface circuit or the hands-free circuit and the mobile phone.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described.
This will be described with reference to the drawings. FIG. 1 is a circuit diagram showing a connection state between a vehicle-mounted adapter and a mobile phone according to a first embodiment of the present invention, and FIGS. 2A and 2B are lead switches of the vehicle-mounted adapter according to the first embodiment of the present invention. FIG. 3 is a partial sectional view showing a detection state and a non-detection state of a magnet according to the first embodiment, FIG. 3 is a perspective view showing an external appearance of a vehicle-mounted adapter and a mounting bracket according to the first embodiment of the present invention, and FIG. FIG. 6 is a perspective view showing a usage example of the vehicle-mounted adapter according to the first embodiment. In FIG. 1, an in-vehicle adapter denoted by reference numeral 1 includes a holder 2 and an adapter body 3, and is installed in a vehicle A via a mounting bracket B. Thus, when the mobile phone 4 is mounted on the holder 2, the mobile phone 4 is connected to the adapter body 3. When the mobile phone 4 is detached from the holder 2, the connection between the mobile phone 4 and the adapter body 3 is released.

The mobile phone 4 has an antenna 5 and has a transmitting unit 6 and a receiving unit 7 built-in. The mobile phone 4 is provided with an interface circuit (not shown) for external connection.
Built-in.

The holder 2 has a receiving portion 8 to which the portable telephone 4 can be attached and detached and concave portions 2a and 2b in which a magnet 9 can be stored.
have. As a result, in order to connect the mobile phone 4 to the in-vehicle adapter 1, the mobile phone 4 is mounted in the receiving portion 8,
To release the connection between the in-vehicle adapter 1 and the mobile phone 4, the mobile phone 4 is detached from the receiving section 8.

When the portable telephone 4 is mounted on the receiving portion 8, the concave portion 2a is located closer to the reed switch (described below) than the position of the concave portion 2b (directly above the reed switch). Thereby, when the magnet 9 is stored in the concave portion 2a and the mobile phone 4 is mounted on the receiving portion 8, the reed switch is turned on. On the other hand, the magnet 9 is stored in the concave portion 2b and the mobile phone 4 is stored in the receiving portion 8. When mounted, the reed switch is turned off.

The adapter body 2 has a built-in motherboard 10, and has a transmission voice path switching circuit 11, a reception voice path switching circuit 12, a detection switching circuit 13, a hands-free circuit 14, and an interface circuit 15. On the motherboard 10, a reed switch 16 as a detection unit is mounted, and the circuits 11 to 15 described above are formed.

The transmission voice path switching circuit 11 is connected between the transmission section 6 and the interface circuit 15. The transmission voice path switching circuit 11 switches the transmitting unit 6 by the switching signal from the detection switching circuit 13 to the hands-free circuit 1.
4 or the interface circuit 15 selectively.

The receiving voice path switching circuit 12 is connected between the receiving section 7 and the interface circuit 15. The receiving voice path switching circuit 12 switches the receiving unit 7 by the switching signal from the detection switching circuit 13 to the hands-free circuit 14.
Alternatively, it is selectively connected to the interface circuit 15.

The detection switching circuit 13 has the reed switch 1. Thus, when the reed switch 16 is turned on by the magnet 9 in the holder 2, the connection state between the hands-free circuit 14 and the mobile phone 4 is switched to the connection state between the interface circuit 15 and the mobile phone 4.

When the reed switch 16 is turned on and
When the state becomes F, the connection state between the interface circuit 15 and the mobile phone 4 is switched to the connection state between the hands-free circuit 14 and the mobile phone 4.

The hands-free circuit 14 has a microphone 17 and a speaker 18. Thus, when the reed switch 16 is turned off, the audio signal from the microphone 17 is output to the transmission unit 6 via the hands-free circuit 14 and the transmission audio path switching circuit 11, and is transmitted from the antenna 5 to the air. Radiated.

When the reed switch 16 is turned off, the audio signal (high-frequency signal) from the antenna 5 is output to the hands-free circuit 14 via the receiving section 7 and the receiving voice path switching circuit 11, The sound is radiated from the speaker 18 as a sound wave.

The interface circuit (external interface connection plug) 15 connects the external terminal 1 to the data communication line.
9. Thus, when the reed switch 16 is turned on by the magnet 9, a data signal from the external terminal 19 is input to the transmitting section 6 via the interface circuit 15 and the transmitting voice path switching circuit 11, This input signal is radiated from the antenna 5 into the air.

When the reed switch 16 is turned on by the magnet 9, a data signal (high-frequency signal) from the antenna 5 is input to the receiving section 7, and the input signal is transmitted to the receiving voice path switching circuit 12 and the interface circuit. 15 to the external terminal 19.

In the vehicle-mounted adapter configured as described above, the magnet 9 turns on the reed switch 16,
When the switch is turned off, a switch detection signal is transmitted from the switch detection circuit 13 to the transmission voice path switching circuit 11 and the reception voice path switching circuit 1.
2 and the mobile phone 4 and the interface circuit 1
5 or the hands-free circuit 14 and the mobile phone 4 are selectively connected.

Therefore, in this embodiment, since the mobile phone 4 and the external terminal 19 can be connected, data communication and the like can be performed while the mobile phone 4 is mounted on the holder 2.

Next, signal processing when a mobile phone is attached to the vehicle-mounted adapter according to the present embodiment will be described with reference to FIG. FIG. 5 is a flowchart for explaining signal processing when a mobile phone is attached to the vehicle-mounted adapter according to the first embodiment of the present invention. In the figure, the mobile phone 4 is mounted on the holder 2 (step S1), and the reed switch 16 is
When the number reaches N (step S2), the detection switching circuit 13 switches the transmission voice path switching circuit 11 and the reception voice path switching circuit 12
Is switched as shown by the solid line in FIG. 1 (step S3),
The interface circuit 15 and the mobile phone 4 are connected, and data communication is performed (step S4).

In step 2, the reed switch 16
Is OFF, the transmission voice path switching circuit 11 and the reception voice path switching circuit 12 are switched as shown by a two-dot chain line in FIG. 1 (step S5), and the hands-free circuit 14 and the mobile phone 4 are connected. Voice communication is performed (step S6).

Next, a second embodiment of the present invention will be described with reference to FIG.
This will be described with reference to FIG. FIGS. 6A and 6B are local cross-sectional views showing a detection state and a non-detection state of the light blocking member by the photo interrupter of the vehicle-mounted adapter according to the second embodiment of the present invention. The same members as those shown in (b) are denoted by the same reference numerals, and detailed description is omitted. In the figure, the vehicle-mounted adapter denoted by reference numeral 21 includes a holder 22 and an adapter body 23.

The holder 22 has a cylindrical light-blocking member 24 protruding toward the non-telephone mounting side. The light shielding member 24 is formed with a notch 24a that opens to the outer peripheral surface. Thereby, the light shielding member 24 can be broken at the notch 24a from the state shown in FIG. 6A as shown in FIG.

The adapter body 23 has a photo-interrupter 25 which can be inserted between the light emitting element 25a and the light receiving element 25b when the light shielding member 24 is not broken. As a result, when the light blocking member 24 is broken at the notch 24a, a switching detection signal is output from the switching detection circuit 13 to the transmission voice path switching circuit 11 and the reception voice path switching circuit 12 by light detection of the photo interrupter 25, and 4 and the interface circuit 15 are connected.

When the light-shielding member 24 is not broken, the switching detection signal is output from the switching detection circuit 13 to the transmission voice path switching circuit 11 and the reception voice path switching circuit 12 by the photointerrupter 25 being shielded from light, and the portable telephone is switched off. 4 and the hands-free circuit 14 are connected.

Therefore, in the present embodiment, as in the first embodiment, the portable telephone 4 and the external terminal 19 can be connected.
It is possible to perform data communication or the like while wearing the.

Next, a third embodiment of the present invention will be described with reference to FIG.
This will be described with reference to FIG. FIG. 7 is a local cross-sectional view showing a contact detection state and a non-detection state by a press switch of the vehicle-mounted adapter according to the third embodiment of the present invention.
The same members as those in (a) and (b) are denoted by the same reference numerals, and detailed description is omitted. In FIG.
The in-vehicle adapter denoted by 1 includes a holder 32 and an adapter body 33.

The holder 32 has a columnar contact 34 protruding to the side where the telephone is not mounted. In the contact 34,
A cutout 34a is formed on the outer peripheral surface. As a result, the contact 34 is notched at the notch 34a as shown in FIG.
From the state shown in (a), breakage is possible as shown in FIG.

The adapter body 33 has a pressing switch 35 which turns on the switch when the contact 34 is not broken and turns off when the contact 34 is broken.
As a result, when the contact 34 is broken at the notch 34a, a switching detection signal is output from the switching detection circuit 13 to the transmission voice path switching circuit 11 and the reception voice path switching circuit 12 when the pressing switch 35 is turned off. 4 and the interface circuit 15 are connected.

When the contact 34 is not broken,
When the press switch 35 is turned on, a switching detection signal is output from the switching detection circuit 13 to the transmission voice path switching circuit 11 and the reception voice path switching circuit 12, and the mobile phone 4
And the hands-free circuit 14 are connected.

Accordingly, in the present embodiment, since the mobile phone 4 and the external terminal 19 can be connected, data communication and the like can be performed while the mobile phone 4 is mounted on the holder 2 according to the first embodiment. This is the same as in the second embodiment.

In the second and third embodiments, the case where the switching from the connection between the hands-free circuit and the portable telephone to the connection between the interface circuit and the portable telephone is performed by breaking the light shielding member and the contactor. Although the present invention has been described, the present invention is not limited to this, and may be performed by, for example, bending or advancing and retracting the light shielding member and the contact.

[0043]

As described above, according to the present invention, a detected portion for circuit switching is provided in a holder to which a portable telephone can be attached and detached, and a detected portion capable of detecting the detected portion is provided. The adapter has a built-in detection switching circuit that switches between the transmission voice path switching circuit and the reception voice path switching circuit depending on the presence / absence of detection by the switching detection circuit. The signal is output to the transmission voice path switching circuit and the reception voice path switching circuit, and the mobile phone and the external interface circuit or the hands-free circuit and the mobile phone are connected.

Therefore, data communication or the like can be performed while the portable telephone is mounted on the holder, so that it is possible to respond to recent multifunctionalization.

[Brief description of the drawings]

FIG. 1 is a circuit diagram showing a connection state between a vehicle-mounted adapter and a mobile phone according to a first embodiment of the present invention.

FIGS. 2A and 2B are ON / OFF of a vehicle-mounted adapter according to a first embodiment of the present invention using a reed switch;
It is a local sectional view showing a state.

FIG. 3 is a perspective view showing an external appearance of a vehicle-mounted adapter and a mounting bracket thereof according to the first embodiment of the present invention.

FIG. 4 is a perspective view showing a usage example of the vehicle-mounted adapter according to the first embodiment of the present invention.

FIG. 5 is a flowchart for explaining signal processing when a mobile phone is attached to the in-vehicle adapter according to the first embodiment of the present invention.

FIGS. 6A and 6B are local cross-sectional views showing a detection state and a non-detection state of a light blocking member by a photo interrupter of a vehicle-mounted adapter according to a second embodiment of the present invention.

FIG. 7 is a partial cross-sectional view showing a contact detection state and a non-detection state by a press switch of a vehicle-mounted adapter according to a third embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 In-vehicle adapter 2 Holder 3 Adapter body 4 Mobile phone 9 Magnet 11 Transmission voice path switching circuit 12 Receiving voice path switching circuit 13 Detection switching circuit 14 Hands-free circuit 15 Interface circuit 16 Reed switch

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[Procedure amendment]

[Submission date] March 12, 1999

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claims

[Correction method] Change

[Correction contents]

[Claims]

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0009

[Correction method] Change

[Correction contents]

[0009]

According to a first aspect of the present invention, there is provided a vehicle-mounted adapter having a hands-free circuit for voice communication and an interface circuit for external connection. an adapter body having a built-in selectively connectable transmission voice path switching circuit and receiving voice path switching circuit, provided on the adapter body biopsy
An output section, built into the adapter body, and from the detection section
The switching of the two audio path switching circuits according to the signal of
An output switching circuit, a holder attached to the adapter main body, to which a mobile phone can be attached and detached, and the detection of the holder.
It is provided at a position close to the protrusion, and by changing the state
Causes the detection unit to perform a detection or non-detection operation.
And a detected part that, by <br/> detecting the presence or absence of the part to be detected by the detection unit, the mobile phone and the interface circuit Ah
Or, it is configured to connect to a hands-free circuit . Therefore, a switching detection signal is output from the switching detection circuit to the transmission voice path switching circuit and the reception voice path switching circuit depending on whether or not the detected portion is detected by the detection section of the adapter body, and the mobile phone and the external interface circuit or the hands-free circuit are output. And the mobile phone are connected.

Claims (6)

[Claims] An adapter body having a hands-free circuit for voice communication and an interface circuit for external connection, and having a transmission voice path switching circuit and a reception voice path switching circuit selectively connectable to each of these circuits. And a holder attached to the adapter body, to which a mobile phone can be attached and detached. The holder has a detected part for circuit switching, and has a detecting part capable of detecting the detected part. A vehicle-mounted adapter, wherein a detection switching circuit for switching between the two audio path switching circuits depending on the presence / absence of detection is incorporated in the adapter body. 2. The in-vehicle adapter according to claim 1, wherein a data communication line is connected to the interface circuit. 3. A switch O determines whether or not the detection is performed by the detection unit.
The in-vehicle adapter according to claim 1 or 2, wherein the on-vehicle adapter is performed by an N / OFF device. 4. The on-vehicle adapter according to claim 3, wherein said switch ON / OFF device comprises a magnet and a reed switch. 5. The on-vehicle adapter according to claim 3, wherein the switch ON / OFF device comprises a light blocking member and a photo interrupter. 6. The device according to claim 3, wherein said switch ON / OFF device comprises a contact and a push switch.
In-vehicle adapter as described.