JP2000078279A - Dial lock release system for on-vehicle telephone set and keyless unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To release dial lock of an on-vehicle telephone set, without the need for a user to enter a password and to prevent a 3rd party from using the on- vehicle telephone set without permission. SOLUTION: A password for releasing the dial lock of a telephone set 11 is registered in advance to a keyless unit main body 13. When a remote control transmitter 14 sends a door lock release signal to the keyless unit main body 13, the keyless unit main body 13 releases the door lock of a vehicle and outputs the password to the telephone set 11 via a hands-free unit 12. Thus, the dial lock of the telephone set 11 is released.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an on-vehicle telephone dial lock release system and a keyless unit for releasing a vehicular telephone dial lock using a remote control transmitter of a keyless unit.

[0002]

2. Description of the Related Art In recent years, automobile telephones and mobile telephones have become widespread, and it has become common to make telephone calls while moving in a vehicle. Also, in order to ensure the safety of driving a vehicle, a hands-free unit has been put to practical use that is connected to a car phone or a mobile phone so that a conversation can be performed without having a handset.

[0003] In recent years, there has been provided a function of communicating with an information center outside the vehicle via a car telephone or a portable telephone to acquire the latest traffic information, accident information, parking space availability and other information and inform the user. In-vehicle navigation devices have also been put to practical use. By the way, a car phone or a mobile phone is provided with a dial lock function in order to prevent others from using it without permission. When using the dial lock function, the user registers an arbitrary password in the telephone in advance. When the dial lock function is turned on by pressing a predetermined button, a call cannot be made unless a password is input. If a vehicle is left on the road or in a parking lot where many people enter and leave for a long time, there is a risk of being tampered with. Is preferred.

[0004]

However, if the vehicle-mounted telephone is dial-locked, it is necessary for the user to input a password even when the telephone is used, which is complicated. As described above, an object of the present invention is to provide a dial lock release system for an in-vehicle telephone that can release a dial lock of an in-vehicle telephone without a user inputting a personal identification number and that can prevent another person from using the in-vehicle telephone without permission. And a keyless unit used for the dial lock release system.

[0005]

An object of the present invention is to provide a telephone having a dial lock function and a keyless unit including a remote control transmitter and a keyless unit main body. When the transmitted door lock release signal is received, the door lock of the vehicle is released, and a signal for releasing the dial lock is output to the telephone.

[0006] The above-mentioned problems are addressed by a remote control transmitter capable of transmitting a door lock release signal, a reception unit capable of receiving the door lock release signal output from the remote control transmitter, and storing a dial lock release code of a telephone. A dial lock release code storage unit, a door lock release unit that releases a door lock of a vehicle when the reception unit receives the door lock release signal, and a dial lock release when the reception unit receives the door lock release signal. Dial-unlocking code output means for reading out the dial-unlocking code stored in the code storage unit and outputting the code to the telephone.

Hereinafter, the operation of the present invention will be described. In the dial lock release system of the present invention, when a door lock release signal is transmitted from the remote control transmitter of the keyless unit, the keyless unit body releases the vehicle door lock and outputs a predetermined signal to the telephone, Unlock the dial lock on the phone. Therefore, a person without a remote control transmitter cannot use the telephone without permission of the user. Further, since the user can release the dial lock of the telephone by releasing the door lock of the vehicle with the remote control transmitter, there is no need to input a personal identification number to the telephone, thereby improving usability.

The keyless unit according to the present invention has a dial lock release code storage unit for storing a dial lock release code. When the door lock release signal is transmitted from the remote control transmitter and the reception unit receives the door lock release signal, the door lock of the vehicle is released by the door lock release means, and the dial lock release code output means outputs the dial lock release code. The dial lock release code is read from the lock release code storage unit and output to the telephone. Thereby, the dial lock of the telephone is released.

[0009]

Embodiments of the present invention will be described below with reference to the accompanying drawings. (First Embodiment) FIG. 1 is a schematic diagram showing a dial lock release system for a vehicle-mounted telephone according to a first embodiment of the present invention.

The dial lock release system for a vehicle-mounted telephone according to this embodiment includes a telephone (mobile phone) 11, a hands-free unit 12, a keyless unit main body 13, and a remote control transmitter 14. The telephone 11 is connected to the hands-free unit 12 by a cable 15a. A password is registered in the telephone 11 in advance by a user, and when a predetermined button is pressed, a dial lock function of the telephone 11 is activated.

The hands-free unit 12 is a speaker 1
2a and microphone 12b are connected,
This enables a telephone call without having the telephone set 11.
The hands-free unit 12 is connected to the keyless unit main body 13 via a cable 15b. The keyless unit main body 13 performs locking (door lock) and unlocking of the vehicle door according to a signal transmitted from the remote control transmitter 14.

The hands-free unit 12 is supplied with driving power from a vehicle accessory (ACC) power supply line, and the keyless unit main body 13 is supplied with driving power directly from a vehicle battery (without passing through an ignition switch). The keyless unit main body 13 is connected to an accessory power supply line, and can detect a state of an ignition switch.

FIG. 2 is a block diagram showing the structure of the remote control transmitter 14. The remote control transmitter 14 includes a control unit 21,
It comprises an ID code storage unit 22, a memory 23, an operation unit 24, and a radio wave transmission unit 25. The control unit 21 is configured by a microcomputer. The memory 23 stores a program for operating the control unit 21.

The ID code storage section 22 stores an ID code unique to the remote control transmitter 14. That is, in the keyless system, a plurality of remote control transmitters 14 are attached to one keyless unit main body 13 so that one vehicle can be used by a plurality of people, for example. A unique ID code is written in each remote control transmitter 14. When transmitting a signal from the remote control transmitter 14 to the keyless unit body 13, the control unit 21 reads an ID code from the ID code storage unit 22 and adds the ID code to the signal to be transmitted. Usually, ID
Writing of the code is performed at the store.

The operation unit 24 is provided with a lock button, a release button, and the like. The control unit 21 generates and outputs a door lock signal when the lock button of the operation unit 24 is pressed, and generates and outputs a door lock release signal when the release button is pressed. The radio wave transmitting unit 25 transmits the signal output from the control unit 21 on a radio wave. In the present embodiment, the signal is transmitted from the remote control transmitter 14 to the keyless unit main body 13 via radio waves, but the signal may be transmitted via light (infrared rays) or sound waves.

FIG. 3 is a block diagram showing the structure of the keyless unit main body 13. As shown in FIG. The keyless unit body 13
Control unit 31, ID code storage unit 32, personal identification number storage unit 3
3, memory 34, door key opening / closing relay 35, driver 3
6, a radio wave receiving section 37, an interface circuit 38, and a connector 39. The control unit 31 is configured by a microcomputer. The memory 34 stores a program for operating the control unit 31.

The ID code of the remote control transmitter 14 is registered in the ID code storage unit 32. Registration of an ID code in the ID code storage unit 32 is also usually performed at a store. When receiving the signal from the remote control transmitter 14, the control unit 31 checks the ID code added to the signal, and when the ID code is registered in the ID code storage unit 32, performs an operation corresponding to the received signal. When it is executed and it is not registered in the ID code storage unit 32, the received signal is ignored.

The password storage unit 33 stores a password (dial lock release code) for releasing the dial lock of the telephone set 11. The writing of the personal identification number is performed, for example, at a store using a predetermined device.
Also, a function (numerical input function) capable of inputting a security code is provided in the remote control transmitter 14, and the security code is transmitted from the remote control transmitter 14 to the keyless unit main body 13 and stored in the security code storage unit 33. You may.

The door key opening / closing relay 35 is connected to a vehicle door switch (not shown), and operates the door switch to lock or unlock the vehicle door. The driver 36 drives the door key opening / closing relay 35 based on a signal output from the control unit 31. The radio wave receiving unit 37 receives the radio wave transmitted from the remote control transmitter 14 and transmits it to the control unit 31. The interface circuit 38 is a circuit for transmitting a signal output from the control unit 31 to the hands-free unit 12, and the connector 39 has a cable 15b (FIG. 1).
Is connected.

FIG. 4 is a block diagram showing the configuration of the hands-free unit 12. The hands-free unit 12
Control unit 41, memory 42, DSP (digital signal pro
cessor) 43, D / A (digital / analog) converter 4
4, an amplifier 45, an A / D (analog / digital) converter 46, an interface circuit 47 and a connector 48a,
48b.

The control section 41 is constituted by a microcomputer. The memory 42 stores a program for operating the control unit 41. The DSP 43 is a semiconductor device that processes (encodes and combines, for example) audio signals. The audio signal input from the microphone 12 a is converted into a digital signal by the A / D converter 46 and input to the DSP 43. The DSP 43 encodes the digital signal input from the A / D converter 46 and transmits the digital signal to the telephone 11 via the control unit 41 and the interface circuit 47. The signal output from the telephone 11 is input to the DSP 43 via the interface circuit 47 and the control unit 41, and is composited by the DSP 43. Then, the signal is converted into an analog signal by the D / A converter 44, amplified by the amplifier 45, and then input to the speaker 12b.
Drive b.

The cable 15a is connected to the connector 48a, and the cable 15b is connected to the connector 48b (see FIG. 1). FIG. 5 shows a remote control transmitter 14 in the dial lock release system of the vehicle-mounted telephone according to the present embodiment.
7 is a flowchart showing an operation when a door lock release signal is transmitted from the STA. However, it is assumed that the user locks the door of the vehicle after dial-locking the telephone 11.

First, in step S11, the control unit 31 of the keyless unit main body 13 maintains a state of waiting for reception of a signal from the remote control transmitter 14. Then, upon receiving a signal from the remote control transmitter 14, the process proceeds to step S12, where the ID code and ID added to the received signal are transmitted.
A comparison is made with the ID code registered in the code storage unit 32. As a result, if the ID code added to the received signal does not match the ID code registered in the ID code storage unit 32, the process returns to step S11 ignoring the received signal.

On the other hand, if it is determined in step S12 that the ID code added to the received signal has been registered in the ID code storage unit 32, the process proceeds to step S13. Then, the received signal is decoded. As a result, when the received signal is the door lock release signal, the process proceeds to step S14, and when the received signal is another signal, the operation according to the signal is executed. Here, it is assumed that the received signal is a door lock release signal.

In step S14, the control unit 31 drives the door key opening / closing relay 35 via the driver 36,
Unlock the vehicle door. Then, step S15
When the key is inserted into the ignition switch of the vehicle and the ACC is turned on (accessory power supply system is turned on) or the ignition is turned on (ignition system power is turned on), the control unit 31 reads the password from the password storage unit 33 and reads the password. ,
The personal identification number is transmitted to the telephone 11 via the hands-free unit 12. Thereby, the dial lock of the telephone 11 is released.

As described above, in the dial lock release system for a vehicle-mounted telephone according to the present embodiment, the remote control transmitter 1
When the door lock is released in step 4, the dial lock of the telephone 11 is also released, so that the user does not need to input the personal identification number directly into the telephone 11, and the usability is remarkably improved.
In addition, if the other person borrows the remote control transmitter 11 from the user or receives the personal identification number and does not directly input the telephone number into the telephone set 11, the telephone set 11 can be used even if the vehicle can be unlocked with a duplicate key or the like. Since the telephone 11 cannot be used, it is possible to prevent the user from using the telephone 11 without permission.

As described above, a plurality of remote control transmitters 14 are usually attached to one keyless unit main body 13, and a specific remote control transmitter 14 (a specific one of the plurality of remote control transmitters 14) is provided. The dial lock of the telephone 11 may be released only when the door lock is released by the remote control transmitter in which the ID code is registered). In this case, the door lock can be released by another remote control transmitter 14, but the dial lock of the telephone 11 is not released.

(Other Embodiments) In the first embodiment, a case where a mobile phone is used as the vehicle-mounted phone 11 has been described. As shown in FIG. 6, however, the present invention relates to a car phone having a hands-free function. 17 can also be applied. In this case, the password for unlocking the dial output from the keyless unit body 13 is
Directly transmitted to The microphone 12a and the speaker 12b are connected to the car phone 17.

In the first embodiment, the case where the user presses a predetermined button on the telephone 11 to perform dial lock has been described. However, a dial lock code storage section is provided in the keyless unit main body 13, and remote control transmission is performed. When a door lock signal is transmitted from the device 14 to the keyless unit main body 13, a dial lock code may be output from the keyless unit main body 13 to the telephone 11, and the telephone 11 may be automatically dial-locked.

Further, in the first embodiment, a case has been described in which the password storage unit 33 is provided in the keyless unit main body 13, but the password storage unit is provided in the remote control transmitter 14 or the hands-free unit 12. You may. For example, when the remote control transmitter 14 is provided with a password storage unit, when outputting a door lock release signal from the remote control transmitter 14, the control unit 21 reads the password from the password storage unit and outputs the door lock release signal. To be added. The control unit 31 of the keyless unit main body 13 extracts the personal identification number from the signal received by the receiving unit 37 and transmits it to the telephone 11. Thereby, the same effect as that of the first embodiment can be obtained.

Further, in the first embodiment, the keyless unit main body 13 merely locks and unlocks the door. However, sensors are attached to various parts of the vehicle to break the window glass or apply vibration. A so-called security function that generates an alarm when it is issued may be added.

[0032]

As described above, according to the present invention,
When a door lock release signal is output from the keyless unit remote control transmitter, the door lock of the vehicle is released and the dial lock of the vehicle-mounted telephone is released. The usability of the telephone dial lock function is significantly improved.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing a dial lock release system for a vehicle-mounted telephone according to a first embodiment of the present invention.

FIG. 2 is a block diagram showing a structure of a remote control transmitter.

FIG. 3 is a block diagram showing a structure of a keyless unit main body.

FIG. 4 is a block diagram showing a configuration of a hands-free unit 12.

FIG. 5 is a flowchart showing the operation of the dial lock release system for the vehicle-mounted telephone according to the first embodiment;

FIG. 6 is a schematic diagram showing an example of a dial lock release system for a vehicle-mounted telephone according to another embodiment.

[Explanation of symbols]

 Reference Signs List 11 telephone, 12 hands-free unit, 13 keyless unit main body, 14 remote control transmitter, 21, 31, 41 control unit, 22, 32 ID code storage unit, 23, 34, 42 memory, 24 operation unit, 25 radio wave transmission unit, 33 PIN storage unit, 35 door key open / close relay, 37 radio wave receiving unit 44 D / A converter, 46 A / D converter.

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) H04Q 7/38 H04M 1/72 B 5K067 H04M 1/725 H04B 7/26 109R 109G F-term (Reference) 2E250 AA21 BB65 HH01 JJ00 JJ03 LL00 LL01 3D020 BA06 BA07 BA10 BA11 BC03 BD12 BD14 5K027 AA16 BB02 CC08 HH11 HH14 5K060 CC04 DD08 GG03 HH31 HH32 5K061 AA09 AA15 BB12 HH06 HH07 HH08 KK07 BB07

Claims (4)

[Claims] 1. A telephone having a dial lock function, a keyless unit including a remote control transmitter and a keyless unit main body, wherein the keyless unit receives a door unlock signal transmitted from the remote control transmitter. Then, the door lock of the vehicle is released, and a signal for releasing the dial lock is output to the telephone. 2. A remote control transmitter capable of transmitting a door unlock signal, a receiving unit capable of receiving the door unlock signal output from the remote control transmitter, and a dial lock storing a dial unlock code of a telephone. An unlock code storing unit; a door unlocking unit that unlocks a vehicle door when the receiving unit receives the door lock releasing signal; and a dial lock releasing code storing unit when the receiving unit receives the door lock releasing signal. And a dial unlocking code output means for reading out the dial unlocking code stored in the telephone and outputting the code to the telephone. 3. The dial lock release code output means outputs the dial lock release code to the telephone when accessory power of a vehicle is turned on after the reception unit receives the door lock release signal. The keyless unit according to claim 2, wherein 4. The dial lock release code output means according to claim 2, wherein the dial lock release code output means outputs the dial lock release code only when the door lock release signal is received from a specific remote control transmitter. Keyless unit.