JP2002178856A - On-vehicle electronic device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the degree of freedom of working by freely setting and changing the characteristic of acoustic equipment and other electronic equipment response to a vehicle model and destination after mounting them in a vehicle. SOLUTION: A first radio module 11 is provided on the vehicle and a second radio module 12 is provided outside the vehicle to transmit data between them. The characteristic data is transmitted from the second radio module 12 to the first radio module 11, and this characteristic data set in electronic equipment.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an on-vehicle electronic device such as an on-vehicle audio device used in a vehicle.

[0002]

2. Description of the Related Art FIG. 5 shows a conventional on-vehicle acoustic device. The in-vehicle acoustic device 21 integrally includes a CD deck 22 and a radio receiver (AM / FM receiver) 23. In the case of the acoustic device 21, a CD insertion slot (not shown) is provided on the front of the main body 211, and the display device 2 is provided in front of the CD insertion slot.
Reference numeral 12 is mounted so as to open and close the CD insertion slot. By opening the display device 212, the CD insertion slot appears on the front side, and a CD can be inserted into or removed from the CD insertion slot. The operation of the CD deck 22 and the radio receiver 23 is performed by various operation buttons 213 on both sides of the display device 212.

[0003] In general, this type of vehicle-mounted acoustic device has almost the same configuration and external shape, but it is necessary to set the characteristics of the acoustic device according to the type of vehicle to which the device is installed or the destination. For example, the acoustic characteristics are set and changed depending on the vehicle type,
The frequency channel separation is set and changed according to the destination. These settings and changes must be made before the on-board acoustic device is installed in the vehicle, and cannot be changed after installation.

[0004]

However, in this type of in-vehicle electronic device, such as a conventional in-vehicle acoustic device, the characteristics such as acoustic characteristics and frequency channel separation are determined according to the type of vehicle, destination, and the like. Since the electronic device must be set and changed before being installed in the vehicle, there is a problem in that the degree of freedom is limited in work.

The present invention solves such a conventional problem,
Even after being installed in a vehicle, it is possible to arbitrarily set and change the characteristics of audio equipment and other electronic equipment according to the type of vehicle and destination, thereby increasing the degree of freedom in work.

[0006]

According to the present invention, there is provided an on-vehicle electronic device for transmitting and receiving data from a first communication means on a vehicle for transmitting and receiving data, a second communication means outside the vehicle, and the second communication means. An electronic device in which data received by the first communication means is set, wherein characteristics of the electronic device are set by data transmitted from outside the vehicle. With this configuration, even after the electronic device is installed in the vehicle, the characteristics of the electronic device can be set arbitrarily from outside the vehicle. The in-vehicle electronic device according to the present invention includes a first communication unit on the vehicle for transmitting and receiving a control signal or data, a second communication unit outside the vehicle, and the first communication unit transmitted from the second communication unit. A first electronic device controlled by a control signal received by the means, and a second electronic device to which data transmitted from the second communication means and received by the first communication means are set. The first electronic device is controlled by a control signal transmitted from outside the vehicle, and the characteristics of the second electronic device are set by data transmitted from outside the vehicle. With this configuration, the first electronic device can be controlled from outside the vehicle, and the characteristics of the second electronic device can be set. The in-vehicle electronic device according to the present invention includes a first communication unit on the vehicle for transmitting and receiving a control signal or data, a second communication unit outside the vehicle, and the first communication unit transmitted from the second communication unit. The first electronic device controlled by the control signal received by the means is connected to the first electronic device by a run (LAN), transmitted from the second communication means, and transmitted by the first communication means. A second electronic device in which received data is set via the run (LAN), wherein the first electronic device is controlled by a control signal transmitted from outside the vehicle, and The characteristics of the second electronic device are set by data transmitted from outside the vehicle. With this configuration, from outside the vehicle,
The first electronic device can be controlled, and the second electronic device can be controlled.
Of the electronic device can be set. Also, in the vehicle-mounted electronic device according to the present invention, the discrimination information stored in the electronic device is transmitted from the first communication unit to the second communication unit, so that the first communication unit transmits the first communication to the first communication unit. The data is transmitted to the means in accordance with the discrimination information. With this configuration, even after the vehicle-mounted audio device is installed in the vehicle, it is possible to set characteristics according to the discrimination information to the electronic device from outside the vehicle. Also, the vehicle-mounted electronic device of the present invention is configured such that the vehicle type discrimination information stored in the electronic device is transmitted from the first communication unit to the second communication unit, so that the first communication unit transmits the first communication unit to the first communication unit. It has a configuration in which data corresponding to the vehicle type identification information is transmitted to the communication means. With this configuration, even after the electronic device is installed in the vehicle, it is possible to set the characteristic data corresponding to the vehicle type identification information to the electronic device from outside the vehicle. Also, the vehicle-mounted electronic device of the present invention is configured such that the vehicle type discrimination information stored in the vehicle-mounted audio device is transmitted from the first communication unit to the second communication unit, so that the second communication unit transmits the vehicle identification information. One communication means is configured to transmit frequency characteristic data corresponding to the vehicle type identification information. With this configuration, even after the on-vehicle audio device is installed in the vehicle, it is possible to set the frequency characteristic data according to the vehicle type identification information to the on-vehicle audio device from outside the vehicle. Also, the vehicle-mounted electronic device of the present invention may be configured such that the vehicle communication destination discriminating information stored in the vehicle-mounted audio device is transmitted from the first communication unit to the second communication unit, so that the second communication unit is provided. , Channel separation data having a frequency corresponding to the vehicle destination identification information is transmitted to the first communication means. With this configuration, even after the on-vehicle audio device is installed in the vehicle, it is possible to set a channel separation of a frequency corresponding to the vehicle destination identification information to the on-vehicle audio device from outside the vehicle. In addition, the on-vehicle electronic device of the present invention includes:
The first electronic device is a door lock mechanism, and the second electronic device is a vehicle-mounted audio device. With this configuration, the door lock mechanism of the vehicle can be controlled from outside the vehicle, and the characteristics of the vehicle-mounted acoustic device can be set. In the electronic device for vehicle according to the present invention, the first electronic device is a door lock mechanism, and the second electronic device is an engine control device. With this configuration, the door lock mechanism of the vehicle can be controlled from outside the vehicle, and the characteristics of the engine control device can be set.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. (First Embodiment) FIGS. 1 and 2 show a first embodiment of the present invention. In this embodiment, an on-vehicle acoustic device is exemplified as the on-vehicle electronic device.

First, the configuration will be described with reference to FIG. In FIG. 1, an on-vehicle acoustic device 1 controls an antenna 2, an AM / FM tuner 3, a PLL 4, a CD player 5, a DSP (digital signal processor) 6 for setting frequency characteristics, an amplifier 7, a speaker 8, and other components. A first wireless module 11 as a first communication means on the vehicle, and a second wireless module 12 as a second communication means outside the vehicle. Prepare. The microcomputer 9 has a nonvolatile memory and a memory (R #). In the case of the audio device 1, one of the outputs of the tuner 3 and the CD player 5 is selected by operating the operation button 10, input to the amplifier 7 via the DSP 6, and the amplified signal is reproduced by the speaker 8. First and second wireless modules 11 and 12
Is, for example, a 2.4 GHz ISM (Industria)
(1 Scientific Medical) band is used as a carrier frequency, and a frequency-hopping spectral spread technique is used. Generally, "bluetooth
th ”. The first wireless module 11 is built in the main body of the audio device 1,
Is used outside the vehicle. The acoustic characteristic data is transmitted and received between these wireless modules 11 and 12, and the frequency characteristic of the acoustic device 1 is set from outside the vehicle.

Next, the operation of changing the acoustic characteristics (frequency characteristics) in the on-vehicle acoustic device 1 will be described with reference to FIG. In FIG. 2, first, a connection process between the first and second wireless modules 11 and 12 is performed by a start signal from the second wireless module 12 (step S1),
Next, an ID authentication process is performed (step S2). Next, it is determined whether the ID can be authenticated (step S3). If the ID cannot be authenticated, the process ends (step S5).
If the authentication is possible, the vehicle type identification data stored in the nonvolatile memory of the microcomputer 9 is transmitted from the first wireless module 11 to the second wireless module 12 (Step 4). When the vehicle type identification data is received by the second wireless module 12, the second wireless module 12 transmits acoustic characteristic data corresponding to the vehicle type identification data to the first wireless module 11. When the acoustic characteristic data is received by the first wireless module 11 (step S6), the acoustic characteristic data is temporarily stored in the nonvolatile memory of the microcomputer 9 (step S7). Next, the acoustic characteristic data once stored is called out from the nonvolatile memory (step S
8), which is transmitted to the DSP 6 (step S9).
Subsequently, the transmitted sound data is set as a constant of each circuit in the DSP 6 (step S10).

As described above, according to the first embodiment, even after the acoustic device 1 has been installed in the vehicle, the first and second wireless modules 11 and 12 can be used to control the frequency according to the vehicle type from outside the vehicle. Characteristics (acoustic characteristics) can be set in the DSP 6.

(Embodiment 2) A second embodiment of the present invention will be described. The configuration of this embodiment is as follows.
This is the same as the first embodiment (FIG. 1).

In this embodiment, an equalizer for setting a signal level of each of a plurality of divided frequency bands with an electronic volume is set. In this case, signal level data corresponding to the vehicle type is transmitted from the second wireless module 12 to the first wireless module 11, and the signal level data is set in the electronic volume as a constant for determining the signal level.

As described above, according to the second embodiment, even after the acoustic device 1 is installed in the vehicle, the audio device 1 is divided into a plurality of parts from outside the vehicle by the first and second wireless modules 11 and 12. An equalizer for setting the signal level of each frequency band with the electronic volume can be set.

(Embodiment 3) A third embodiment of the present invention will be described. The configuration of this embodiment is as follows.
This is the same as the first embodiment (FIG. 1).

In this embodiment, after the on-vehicle acoustic device is installed in the vehicle, the radio receiver 3 sets a channel separation of a frequency corresponding to the destination of the vehicle. In this case, the destination data previously stored in the memory of the microcomputer 9 is transmitted from the first wireless module 11 to the second wireless module 12, and is transmitted from the second wireless module 12 to the first wireless module 11. The corresponding frequency data is transmitted. This frequency data is called after it is once stored in the nonvolatile memory of the microcomputer 9 and is set in the PLL 4.

As described above, according to the third embodiment, even after the acoustic device 1 is installed in the vehicle, the first and second wireless modules 11 and 12 can be used to connect to the destination of the vehicle from outside the vehicle. A channel separation of a corresponding frequency can be set in the radio receiver 3.

(Embodiment 4) A fourth embodiment of the present invention will be described. The configuration of this embodiment is as follows.
This is the same as the first embodiment (FIG. 1).

In this embodiment, a broadcast station that can be received in the area is set, for example, at a vehicle dealership. In this case, receivable broadcast station frequency data is transmitted from the second wireless module 12 to the first wireless module 11, and the frequency data is set in the frequency setting memory of the microcomputer 9.

As described above, according to the fourth embodiment, even after the acoustic device 1 is installed in the vehicle, the first and second wireless modules 11 and 12 can receive signals from outside the vehicle in the area. Broadcast stations can be set.

(Embodiment 5) A fifth embodiment of the present invention will be described. The configuration of this embodiment is as follows.
This is the same as the first embodiment (FIG. 1).

In this embodiment, after a plurality of in-vehicle acoustic devices 1 are installed in each of a plurality of vehicles, different security is determined according to a serial number stored in a memory of a microcomputer 9 of each in-vehicle acoustic device 1 in advance. The code is set in each on-vehicle acoustic device 1. In this case, the security code setting operation is started, and the serial number data previously stored in the memory of the microcomputer 9 is transmitted from the first wireless module 11 to the second wireless module 12, and is transmitted from the second wireless module 12 to the second wireless module 12. A different security code is transmitted to one wireless module 11 according to the received serial number data, and this security code is stored in the nonvolatile memory of the microcomputer 9.

As described above, according to the fifth embodiment, even after the plurality of acoustic devices 1 are installed on the plurality of vehicles, the first and second wireless modules 11 and 12 can be used to manufacture the vehicle from outside the vehicle. A different security code can be set for each acoustic device 1 according to the number data. Thereby, when the power supply circuit of the vehicle-mounted acoustic device 1 is removed from the battery and the vehicle-mounted acoustic device 1 is taken out, for example, when the vehicle-mounted acoustic device 1 is stolen, the data is stored in the nonvolatile memory. Unless the same code as the security code is input, the in-vehicle acoustic device 1 is not operated, and the security code setting prevents theft.

(Embodiment 6) FIG. 3 shows a sixth embodiment of the present invention. This embodiment also illustrates a vehicle-mounted acoustic device. The configuration of the main body is the first
In the same manner as in the embodiment, an antenna 2, an AM / FM tuner 3, a PLL 4, a CD player 5, a DSP 6, an amplifier 7, a speaker 8, a microcomputer 9, and an operation button 10 are provided. In the first to fifth embodiments, the wireless module on the vehicle is built in the vehicle-mounted acoustic device, whereas in the sixth embodiment, the wireless module is built in the vehicle-mounted audio device. Instead, a wireless module 111 with a LAN provided in the vehicle is used. The wireless module 111 is used for controlling the door lock mechanism 13 of the vehicle and setting the operation constant of the vehicle-mounted electric device 14. From the second wireless module 12 to the first wireless module 111
When the door lock signal or the unlock signal is transmitted to the door, the door lock mechanism 17 is controlled according to these signals. An in-vehicle electrical device 14 such as an engine control device is connected to the wireless module 111 via a LAN, and the operating constant of the in-vehicle electrical device 14 is set by each of the wireless modules 12 and 111. In this way, the door lock mechanism 13 is controlled by remote control, and
Reference numeral 4 denotes an operation constant set by remote control.

In this embodiment, the wireless module 111 is used as a first wireless module to set the frequency characteristics, set the channel separation of the frequency according to the destination, set the security code, and the like.
Set various acoustic characteristics, such as presets for receiving broadcast stations. The operation is the same as in the first to fifth embodiments.

As described above, according to the sixth embodiment, the control of the door lock mechanism 13 and the various operation constants of the engine control device 14 are controlled by the first and second wireless modules 111 and 12 from outside the vehicle. Settings can be made. Since the operation constants of the engine control device can be set from outside the vehicle, for example, settings such as specifications for cold regions can be performed after the vehicle is completed. At the same time, even after the sound device 1 is installed in the vehicle, the first and second wireless modules 11, 1
According to 2, various acoustic characteristics such as setting of frequency characteristics, setting of frequency channel separation according to destination, setting of security code, presetting of a receiving broadcast station, etc. can be set from the outside of the vehicle.

In this embodiment, the wireless modules 111 and 12 are used to control the door lock mechanism 13 and set various constants of the engine control device from outside the vehicle. It may be changed so that either the control of the mechanism 13 or the setting of the engine control device 14 is performed.

(Embodiment 7) FIG. 4 shows a seventh embodiment of the present invention. This embodiment is similar to the first embodiment in that the antenna 2, the AM / FM tuner 3,
PLL 4, CD player 5, DSP 6, amplifier 7, speaker 8, microcomputer 9, first and second wireless modules 1
1 and 12 as well as a door lock mechanism 15 and an engine control device 16. The door lock mechanism 15 and the engine control device 16 are connected to the microcomputer 9 via a LAN 17.

In this embodiment, the door lock mechanism 15
Of the engine control device 16 and various acoustic characteristics of the acoustic device 1 in a nonvolatile memory or the like. In this case, a door control signal or operation constant data for engine control is transmitted from the second wireless module 12 to the first wireless module 11, and this is transmitted from the personal computer 9 via the LAN 17 to the door lock mechanism 15 or the engine control device. 16, the door is controlled to open and close,
Various operation constants for engine control are set. At the same time, various acoustic characteristics such as setting of frequency characteristics, setting of frequency channel separation according to destination, setting of security code, presetting of a receiving broadcasting station, etc. are set by the respective wireless modules 11 and 12. Is done. The operation is the same as in the first to fifth embodiments.

As described above, according to the seventh embodiment, the first and second wireless modules 11 and 12 control the door lock mechanism 13 and control various operation constants of the engine control device 14 from outside the vehicle. Settings can be configured,
Even after the audio device 1 is installed in the vehicle, the first and second wireless modules 11 and 12 set the frequency characteristics of the vehicle-mounted audio device 1 from outside the vehicle, and set the frequency channel separation according to the destination. Various acoustic characteristics can be set, such as security code settings and presets for receiving broadcast stations.

[0030]

As described above, according to the present invention,
A first communication means on the vehicle for transmitting and receiving data and a second communication means outside the vehicle are provided, and the characteristic data is transmitted from the second communication means to the first communication means. Therefore, even after the electronic device is installed in the vehicle, the characteristics of the electronic device can be set arbitrarily from outside the vehicle.For example, in the case of an audio device, the acoustic characteristics according to the vehicle type and the destination are optional. Can be set to

[Brief description of the drawings]

FIG. 1 is a block diagram of an in-vehicle electronic device according to first to fifth embodiments of the present invention.

FIG. 2 is a flowchart showing the operation of the vehicle-mounted electronic device.

FIG. 3 is a block diagram of a vehicle-mounted electronic device according to a sixth embodiment of the present invention.

FIG. 4 is a block diagram of a vehicle-mounted electronic device according to a seventh embodiment of the present invention.

FIG. 5 is a front view of a conventional on-vehicle acoustic device.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 vehicle-mounted acoustic device 2 antenna 3 tuner 4 PLL 5 CD player 6 DSP 7 amplifier 8 speaker 9 microcomputer 10 operation button 11 first wireless module (first communication means) 111 wireless module (first communication means) 12 second 2 wireless module (second communication means) 13 door lock mechanism 14 in-vehicle electrical device 15 door lock mechanism 16 engine control device 17 LAN

Claims (9)

[Claims] 1. A first communication means on a vehicle for transmitting and receiving data, a second communication means on the outside of the vehicle, and data transmitted from the second communication means and received by the first communication means. An electronic device to be set, wherein the characteristics of the electronic device are set by data transmitted from outside the vehicle. 2. A first communication means on the vehicle for transmitting / receiving a control signal or data, a second communication means outside the vehicle, and transmitted from the second communication means and received by the first communication means. A first electronic device controlled by the control signal,
A second electronic device to which data transmitted from the second communication unit and set by the first communication unit are set, wherein the first electronic device is transmitted from outside the vehicle. An in-vehicle electronic device controlled by a signal, wherein characteristics of the second electronic device are set by data transmitted from outside the vehicle. 3. A first communication means on the vehicle for transmitting / receiving a control signal or data, a second communication means outside the vehicle, and transmitted from the second communication means and received by the first communication means. A first electronic device controlled by the control signal,
The second electronic device is connected to the first electronic device by a run (LAN), and data transmitted from the second communication unit and received by the first communication unit is set via the run (LAN). The first electronic device is controlled by a control signal transmitted from outside the vehicle, and the characteristics of the second electronic device are set by data transmitted from outside the vehicle. An in-vehicle electronic device, comprising: 4. When the discrimination information stored in the electronic device is transmitted from the first communication means to the second communication means, the discrimination information is transmitted from the second communication means to the first communication means. The in-vehicle electronic device according to any one of claims 1 to 3, wherein corresponding data is transmitted. 5. The vehicle type discrimination information stored in the electronic device is transmitted from the first communication means to the second communication means, whereby the vehicle type discrimination is made from the second communication means to the first communication means. 4. The in-vehicle electronic device according to claim 1, wherein data according to the information is transmitted. 6. The vehicle type discrimination information stored in advance in the on-vehicle audio device is transmitted from the first communication means to the second communication means, so that the second communication means sends the information to the first communication means. 4. The in-vehicle electronic device according to claim 1, wherein frequency characteristic data corresponding to the vehicle type identification information is transmitted. 7. The vehicle communication destination discriminating information stored in the on-vehicle audio device is transmitted from the first communication unit to the second communication unit, so that the second communication unit transmits the first communication unit. 4. The in-vehicle electronic device according to claim 1, wherein channel separation data having a frequency corresponding to the vehicle destination identification information is transmitted to the vehicle. 8. The vehicle-mounted electronic device according to claim 2, wherein the first electronic device is a door lock mechanism, and the second electronic device is a vehicle-mounted audio device. 9. The electronic device according to claim 2, wherein the first electronic device is a door lock mechanism, and the second electronic device is an engine control device.
Or the in-vehicle electronic device according to 3.