JPH05199173A - On-vehicle telephone set - Google Patents

Abstract

PURPOSE:To display various telephone information in a portable telephone set by using a portable telephone set as a land mobile radiotelephone and using the display function of an audio head unit. CONSTITUTION:This set is provided with plural audio source equipments 1 and 2, an audio head unit 1 controlling the audio source equipment through a data bus 14, and a portable telephone set 17. The head unit 1 is provided with a display means 7 capable of visually displaying at least audio information and a holder section 16 for portable telephone set freely mounting and demounting the portable telephone set and is designed to electrically connect the portable telephone set to a system control section 13 in the head unit when the portable telephone set is mounted on the holder section. The telephone information read out from the portable telephone set in sent through an interface to a data bus 14 to be displayed on a display means 7 of the head unit.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle-mounted telephone device.

[0002]

2. Description of the Related Art As mobile communication, car phones and mobile phones are known. An automobile telephone is a device in which a telephone device is fixedly mounted on a console box or the like in the automobile so that the telephone can be freely called from inside the automobile.
On the other hand, the mobile phone is a small-sized portable phone, and is a device that the user can freely carry in a pocket or bag.

[0003]

The conventional car telephone constitutes an independent telephone device by itself, and is attached irrespective of the on-vehicle audio device.
Moreover, since it is fixedly attached to a console box or the like, it cannot be freely taken out of the vehicle.
On the other hand, although the mobile phone can be freely carried anywhere, even if it is brought into the car, it is also used as an independent phone device which is completely unrelated to the in-vehicle audio device.

The present invention has been made in view of the above circumstances, and it is an object of the present invention to use a mobile telephone as a car telephone and to utilize various display functions of an audio head unit in the mobile telephone. An object of the present invention is to provide a vehicle-mounted telephone device capable of visually displaying telephone information.

[0005]

In order to achieve the above-mentioned object, a vehicle-mounted telephone device of the present invention comprises a plurality of audio source devices, and an audio head unit for controlling these audio source devices via a data bus. A mobile phone, wherein the head unit has at least display means capable of visually displaying audio information and a mobile phone holder for detachably mounting the mobile phone, and the head unit carries the mobile phone in the holder. The mobile phone and the system control unit in the head unit are electrically connected when the phone is mounted, and the telephone information read from the mobile phone is transferred to the data bus via the interface. As a result, the information is displayed on the display means of the head unit.

[0006]

[Operation] In the in-vehicle telephone device according to the present invention, when a telephone information read command is given to the system control unit in a state where the mobile phone is mounted on the holder unit of the head unit, the system control unit is controlled under the control. The desired telephone information stored in the mobile phone is read out, transferred to the data bus through the interface, and displayed on the display unit of the head unit.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing an embodiment of a vehicle-mounted telephone device of the present invention, and FIG. 2 is a view showing a mounting state of the embodiment device on an automobile. In FIG. 1, the audio head unit 1 includes an FM / AM tuner 2 and a multi-connection type C.
It controls the operation of an audio source device such as the D multiplayer 3 and displays various information, and is provided in the console box 4 or the like beside the driver's seat as shown in FIG. A)
As shown in (B), it is configured to be housed in the console box 4.

In this embodiment, the audio head unit 1 receives an infrared signal sent from an infrared remote controller (hereinafter abbreviated as an infrared remote controller) 5 and converts the infrared signal into an electric signal, which will be described later. Dot matrix type LCD (liquid crystal) display unit 7 for displaying various information such as audio information and telephone information, and liquid crystal display unit 7
Liquid crystal display control unit 8 for controlling the display, key button unit 9 for inputting various control commands, audio signal switching, volume adjustment, muting, bass / treble adjustment, etc., and reproduction from the speaker 11 through the power amplifier 10. It is composed of an audio circuit 12 for producing a sound, and a system control unit (microcomputer) 13 for controlling the operation of the entire apparatus.

System controller 1 of the head unit 1
3 and an audio source device such as the FM / AM tuner 2 and the CD multi-player 3 are connected by an audio control data bus 14, and necessary control data between the system control unit 13 and each audio source device is transmitted. It is configured to give and receive. The audio signal output from each audio source device is sent to the audio circuit 12 of the head unit 1 by the audio signal line 15.

The configuration of the audio device part described above is as follows.
There is almost no difference from the configuration of a conventionally known in-vehicle audio device. The vehicle-mounted telephone device of the present invention allows a mobile phone to be organically combined with an audio device in a vehicle equipped with such a vehicle-mounted audio device so that the mobile phone can also be used as a hands-free car telephone. Various telephone information can be displayed on the LCD display section 7 of the head unit 1.

That is, in the case of the present invention, a telephone holder portion (hereinafter abbreviated as a holder portion) 16 is formed at an appropriate position on the front surface of the head unit 1 (see FIG. 2), and a portable telephone 17 is attached to and detached from the holder portion 16. It is configured so that it can be installed freely. The holder portion 16 has a required number of connecting contacts 1.
8 is formed, and when the mobile phone 17 is attached,
The mobile phone 17 is electrically connected to a connection contact (not shown) formed on the back surface of the mobile phone 17, and the mobile phone 17 is electrically connected to the system control unit 13 and the audio circuit 12 in the head unit 1. It is like this.

Further, the contactor 1 for connecting the holder portion 16
An automobile telephone adapter 19 and a hands-free microphone 20 are connected to the device 8. Car phone adapter 19
Is an additional circuit for using the mobile phone 17 as a car phone. Inside the car phone adapter 19,
Although not shown, a booster amplifier for powering up the call signal, a data transfer circuit for transferring the telephone information data sent from the mobile phone 17 to the telephone data transfer bus 21, and the like are incorporated. The car phone adapter 19 is arranged in an appropriate place such as in the console box 4 in the driver's seat or in the instrument panel 22, and its output is connected to the car phone antenna 23.

The car telephone antenna 23 is an external antenna provided on, for example, a rear hood of a car. The car phone antenna 23 is used for the mobile phone 17
Is mounted on the holder 16, it is used as an antenna for transmitting and receiving a call signal. On the other hand, when the mobile phone 17 is detached from the holder 16 and used as an original mobile phone, the antenna 24 provided in the mobile phone 17 is used as an antenna for transmitting and receiving a call. As the antenna 24, a whip antenna or the like that can be stored in the mobile phone body is used.

The hands-free microphone 20 is a microphone for inputting the voice of the speaker in the hands-free mode, and is arranged in front of the driver's seat where the voice of the speaker is easily picked up, for example, as shown in FIG. ing.

The telephone / audio interface circuit 25 converts telephone information data transferred from the automobile telephone adapter 19 via the telephone data transfer bus 21 into a data format used by the audio control data bus 14. In addition, the interface circuit converts the control data sent from the audio control data bus to the car telephone adapter 19 so as to match the data format used by the car telephone. A hand-free button (not shown) for switching the use mode of the telephone to a hand-free mode is provided on either or both of the infrared remote controller 5 and the key button section 9.

The head unit 1 is housed in a console box 6 as shown in FIG. 3A, and a head unit opening / closing button (not shown) is used when an audio device is used or a telephone is used. ) Automatically or by manual withdrawal
As shown in FIG. 3B, it is pulled out of the console box 4. The mobile phone 17 is normally attached to the holder portion 16 of the head unit 1, and
It is stored inside. In the following description of the operation, it is assumed that the head unit 1 has already been pulled out as shown in FIG.

Next, the operation of the above embodiment will be described. First, the operation of a normal audio device using the infrared remote controller 5 or the key button unit 9 will be described. For example, when a predetermined key of the infrared remote controller 5 is operated, a predetermined command signal becomes an infrared signal and is sent to the infrared light receiving portion 6 of the head unit 1. The infrared light receiving unit 6 converts the received infrared signal into an electric signal and then sends it to the system control unit 13. The system control unit 13 decodes the received signal and sends a designated command signal through the audio control data bus 14 to a designated audio source device, for example, C
D Send to multiplayer 3.

As a result, the CD multi-player 3 starts reproducing the designated music on the designated CD, and outputs the reproduced signal through the audio signal line 15 to the audio circuit 12.
Send to. Then, by operating the infrared remote controller 5, volume adjustment, bass / treble adjustment, etc. are performed in the audio circuit 12, and then sent to the power amplifier 10.
Sounded from the speaker 11. The same operation can be performed by operating a predetermined button of the key button section 9.

Next, the hands-free function will be described. While playing the CD as described above,
When the antenna 23 receives an incoming call, the incoming signal is transferred to the system control unit 13 of the head unit 1 through the car telephone adapter 19. System control unit 13
When the incoming signal is received, switches the input signal to the audio circuit 12 from the currently reproducing CD multiplayer 3 side to the car telephone adapter 19 side, and causes the speaker 11 to ring the telephone.

When the call responder in the car wants to answer the incoming call in the hands-free mode, the caller may press the key button section 9 or the hands-free button (not shown) of the infrared remote controller 5. As a result, a hands-free switching signal is sent to the system controller 13.

Upon receiving the hands-free switching signal, the system control unit 13 responds to the receiving station with the incoming call and switches the call mode to the hands-free mode.
The hands-free microphone 20 is set in a live state. Hands-free microphone 2
When talking to 0, the call voice is picked up by the hands-free microphone 20, sent to the car phone adapter 19, and then sent from the antenna 23 to the other party. Further, the call voice from the other party received by the antenna 23 is sent to the audio circuit 12 via the car telephone adapter 19 and sounded from the speaker 11. Therefore, the caller in the car can talk so-called hands-free without touching the mobile phone 17.

In the above, when the mobile phone 17 is picked up from the holder 16 and the incoming call is answered,
A call is made through the antenna 24 of the mobile phone 17, and the mobile phone 17 is used as an original mobile phone.

Next, the LCD display section 7 of the head unit 1
The display function of telephone information using is explained. When the display command of the registered telephone number stored in the mobile phone 17 is given from the infrared remote controller 5 or the key switch 9 while the mobile phone 17 is attached to the holder 16 of the head unit 1, system control is performed. The unit 13 gives the mobile phone 17 an instruction to read the registered telephone number. The mobile phone 17 receiving the read command reads the registered telephone number data stored in the built-in RAM (not shown) and sends it to the car telephone adapter 19.

The car telephone adapter 19 transfers the registered telephone number data sent from the mobile telephone 17 to the telephone / audio interface circuit 25 via the telephone data bus 21. The telephone / audio interface circuit 25 converts the transferred registered telephone number data so as to match the data format of the audio control data bus 14, and then transfers it to the system control unit 13 through the audio control data bus 14. The system control unit 13 displays the registered telephone number data sent to the LCD.
It is sent to the display control unit 8 and displayed on the LCD display unit 7 in a predetermined display format (eg, list format, individual format, etc.).

In the present invention, by utilizing the display function of the head unit 1 in this way, the mobile telephone 17
The registered telephone number stored in the RAM can be visually displayed on the LCD display unit 7. The display information is, of course, not limited to the registered telephone number, and various telephone information can be displayed. As the telephone information other than the registered telephone number, for example, an abbreviated telephone number, a registered telephone number person's name, etc. can be considered.

Further, various additional special functions can be realized by utilizing the organic coupling with the head unit 1. For example, if a voice memory is provided in the mobile phone 17 or the head unit 1, the telephone information can be registered by voice through the hands-free microphone 20. Also, by giving an auto dial command from the infrared remote controller 5 or the key button section 9, the dial signal from the head unit 1 is passed through the audio control data bus 14, the telephone / audio interface circuit 25, and the telephone data transfer bus 21. It is possible to automatically dial the registered telephone number or the like by sending it to the car telephone adapter 19. Further, the data display function of the LCD can be used to display a paging message similar to a pager.

[0027]

As is clear from the above description,
According to the vehicle-mounted telephone device of the present invention, the mobile phone can be used as a car phone, and various phone information in the mobile phone can be visually displayed by using the display function of the audio head unit. It is possible to improve the function of this type of in-vehicle telephone device.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of a vehicle-mounted telephone device of the present invention.

FIG. 2 is a mounting diagram of the apparatus of the embodiment.

FIG. 3 is an operation explanatory diagram of the audio head unit.

[Explanation of symbols]

 1 Audio Head Unit 2 FM / AM Tuner 4 Console Box 5 Infrared Remote Control 7 LCD Display Section 8 LCD Display Control Section 9 Key Button Section 11 Speaker 12 Audio Circuit 13 System Control Section 14 Audio Control Data Bus 15 Audio Signal Line 16 Mobile Phone Telephone holder 17 Mobile phone 19 Car phone adapter 20 Hand-free microphone 21 Telephone data bus 25 Telephone / audio interface circuit

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Toshiyuki Hayashi 25-1, Nishimachi, Yamada, Kawagoe City, Saitama Prefecture 1 Pioneer Co., Ltd. Kawagoe Factory (72) Toru Yoshihara 25-1, Nishimachi, Kawagoe, Saitama Prefecture Pioneer Corporation Kawagoe Plant (72) Inventor Hiroshi Honma 25 Nishimachi, Yamada, Kawagoe City, Saitama Prefecture 1 Pioneer Corporation Kawagoe Plant

Claims (1)

[Claims] 1. A plurality of audio source devices, an audio head unit for controlling these audio source devices via a data bus, and a mobile phone, wherein the head unit visually displays at least audio information. It has a display means that can be mounted and a holder for a mobile phone on which the mobile phone is detachably mounted, and when the mobile phone is mounted on the holder, the mobile phone and the system controller in the head unit are electrically connected. In addition, it is configured to be connected to a mobile phone, and is adapted to be displayed on the display means of the head unit by transferring telephone information read from a mobile phone to the data bus through an interface. Telephone device.