JPH0991846A - On-vehicle information recording and reproducing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the operability of an information recording and reproducing device for a driver's seat and rear seat respectively and to reduce the size of the device by providing the device with respectively plural information display screens, voice output devices and operating sections and commonly using applications and information. SOLUTION: The device body 1 of the on-vehicle information recording and reproducing device 100 contains recording and reproducing device, reads map information out of the reproduction-only region of an optical disk 7 inserted from an insertion port 6 and records and reproduces the information to and from the recording and reproducing region. A built-in CPU calculates a present position in accordance with the position information obtd. from an artifical satellite via a position sensor 2. The plural display screens 4a, 4b and the voice output devices 5a, 5b are respectively distributed and arranged for the driver's seat and the rear seat and the desired information is respectively independently outputted by the corresponding control sections 3a, 3b via a time division buffer memory. For example, a user on the rear seat is able to input locus data, comments, supplementary map data, etc., by operating a keyboard without being restricted by the limitations on the operation during traveling.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle-mounted information recording / reproducing apparatus, and more particularly to a car navigation apparatus using an optical disk device capable of recording and reproducing information.

[0002]

2. Description of the Related Art A block diagram of a conventional vehicle-mounted information recording / reproducing apparatus is shown in FIG. The recording medium of the recording / reproducing apparatus 100 includes
Map information for navigation and incidental information such as business introductions of restaurants, hotels, etc., tourist spot guidance service information, etc. are recorded. The position sensor 2 calculates the own vehicle position information based on the information from the GPS receiver, the distance, the azimuth sensor, etc. and sends it to the CPU 90. The CPU 90 is the operation unit 30
In accordance with the instruction, the necessary information is taken out from the recording / reproducing apparatus 100 based on the vehicle position information, and the display screen control unit 80 and the voice output control unit 120 are controlled to output the desired information to the display screen 40 and the voice output device 50. To do.

[0003]

However, since there is only one display screen, one voice output device, and one operation unit, different information is displayed on the display screen by executing a plurality of operations at the same time. Could not be output from the audio output device. For example, CD-ROM in the driver's seat
While navigating using the map information recorded in the information recording medium such as, it was not possible to perform operations such as searching for restaurant and tourist information and writing comments on the map in the rear seat. . For this reason, different applications are used for the driver's seat and the rear seats, and in-vehicle information recording / reproducing devices must be added in order to display on different display screens. The space cannot be used effectively. In addition, since the current navigation system limits the operation while traveling, it also restricts the operation of a person other than the driver while traveling, so that the navigation function cannot be effectively utilized. There is also a problem that the operability is poor because the keyboard cannot be used for data input such as writing on the map.
The present invention has been made in consideration of the above points, and an object of the present invention is to provide an in-vehicle information recording / reproducing apparatus having improved functionality and operability.

[0004]

In order to solve the above-mentioned problems, the present invention provides: [Claim 1] Reproduction of information recorded in advance on an information recording medium, and recording on the information recording medium according to a user's instruction. An in-vehicle information recording / reproducing device having a built-in recording / reproducing device for recording / reproducing information, comprising: an information display device for displaying the information; and outputting audio information of information recorded on the information recording medium. And a plurality of voice output devices for inputting instructions from the user, and the information recording medium is recorded on the information recording medium by an independent operation from the operation unit. An in-vehicle information recording / reproducing apparatus which records and reproduces information and displays independent information on each of the information display apparatuses. [Claim 2] Recording and reproduction on the information recording medium are performed in a time-division manner, and information is simultaneously input and output from the plurality of information display screens, the audio output device, and the operation unit. An information display device and a buffer memory corresponding to the operation unit are provided.
The in-vehicle information recording / reproducing device described. [Claim 3] The in-vehicle information recording / reproducing apparatus according to claim 1, wherein the operation of the operation unit limits the operation according to the seat position and the driving situation of the vehicle. [Claim 4] A portable terminal is further connected by a communication means, and at least one of each of the plurality of information display devices, the operation unit, and the audio output device is the portable terminal. The in-vehicle information recording / reproducing apparatus according to claim 1.

In other words, in the present invention, in addition to the display screen for the driver to perform navigation and the like, the voice output device, and the operation unit, the one in the back seat independently searches the store or on the map. It is provided with another display screen, a voice output device, and an operation unit that allow a user to write a comment to and operate another application. Further, it is provided with a plurality of buffer memories for simultaneously performing processing from the respective operation units and a recording / reproducing means for performing time-division processing of information. Furthermore, a communication terminal to which the portable terminal can be connected is provided so that the keyboard operation using the portable terminal can be performed in the vehicle.

According to the present invention, the on-vehicle information recording / reproducing apparatus is provided with two or more display screens, a voice output device, and an operating section, respectively, so that the driver's seat and the rear seat can perform different operations at the same time, respectively. A more functional system can be realized by outputting the information of. Furthermore, in the rear seat, the navigation device can be operated without being restricted by the operation while traveling, and the navigation function can be effectively utilized. Furthermore, since a portable terminal can be connected, data can be input from the keyboard, and operability can be improved.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings. FIG. 1 is a diagram showing an overall configuration of an embodiment of the present invention and an example of mounting on a vehicle. In FIG. 1A, the position information obtained by the position sensor 2 is input to the device body 1 of the in-vehicle information recording / reproducing device 100. The position sensor 2 receives the position information signal from the artificial satellite, and the CPU 9 incorporated in the apparatus body 1 calculates the current position based on the received signal. Here, the operation units 3a and 3b are provided in the apparatus body 1, and the user performs various navigation operations using the operation units 3a and 3b. On the display screens 4a and 4b, information regarding various information such as position information obtained by the control of the CPC 9 built in the apparatus body 1 is displayed. The voice output devices 5a and 5b output guidance voices during navigation operations.

In addition to the above construction, an insertion opening 6 for inserting a recording medium is provided on the front surface of the apparatus main body 1 and has a diameter of 86 mm.
The phase change optical disk 7 is inserted.
The apparatus main body 1 has a built-in recording / reproducing apparatus 10 for reproducing information recorded on the phase change optical disk 7 and recording information on the phase change optical disk 7. As a result, desired information can be recorded on the phase change optical disc 7, and the information recorded on the phase change optical disc 7 can be displayed on the display screens 4a and 4a.
b, audio output devices 5a and 5b can be used for output.

The apparatus main body 1 has a recording / reproducing apparatus for recording / reproducing navigation information and multimedia information in a time division manner and a plurality of buffer memories. As a result, the user can simultaneously perform recording / reproducing operation of information from the operation units 3a and 3b, and simultaneously output different information from the display screens 4a and 4b and the audio output devices 5a and 5b, respectively.

Like the compact disc, the phase change optical disk 7 has a structure in which a reproduction-only area in which predetermined information is recorded in advance and a recording / reproduction area in which a phase change film is formed and desired information can be recorded / reproduced are combined. Predetermined navigation map information and its accompanying information are recorded in advance in the playback-only area. In the recording / playback area, trajectory data, text data such as comments, supplementary map data, etc. are operated by the user. Various kinds of user information can be recorded.

FIG. 2 is a block diagram showing an in-vehicle information recording / reproducing apparatus. The CPU 9 receives control signals from the operation units 3a and 3b, and the recording / reproducing device 10, the display screen control unit 8, the data control unit 11, the audio output control unit 12, and the memories 13, 14, 15, 16, which are buffer memories. 1
Control signals are sent to 7 and 18 to set and execute various modes.

A specific example of the mode is shown below. First, as mode 1, when performing a navigation execution operation from the operation unit 3a and a reproduction operation of other information such as a store search from the operation unit 3b at the same time, the processing flow described below is realized.

Based on the control signal from the operation unit 3a, the CPU 9 sends a control signal to the recording / reproducing apparatus 10,
The map information for navigation and the information incidental thereto are read out from the recording / reproducing apparatus 10 and once stored in the buffer memory 1.
After being stored in 6, the data is sent to the data control unit 11. Further, the position information from the position sensor 2 is sent to the CPU 9, and is combined with the map information from the recording / reproducing device 10 and the information attached thereto by the data control unit 11. The CPU 9 controls the recording / reproducing device 10 based on a control signal from the operation unit 3b.
A control signal is sent to the recording / reproducing apparatus 10, a desired signal such as store information is read, and the buffer memory 1
After being stored in 6, the data is sent to the data control unit 11. The data control unit 11 stores the received information in the buffer memory 13 if it is navigation information such as the vehicle position information on the map, or in the buffer memory 17 if it is voice guidance information for navigation, and searches the store. Other map information is stored in the buffer memory 14, and voice information of other map information is stored in the buffer memory 18. The CPU 9 controls the time-divisional reading of information from the recording / reproducing apparatus 10 and the buffer memories 13, 1 so that the information taken into the buffer memories 13, 14, 17, 18 is not emptied.
When the information stored in 4, 17, and 18 has a predetermined capacity or more, the information is not read. The information captured in the buffer memory 13 is output to the display screen 4a via the display screen control unit 8. The information captured in the buffer memory 14 is output to the display screen 4b via the display screen control unit 8. The information taken into the buffer memory 17 is used as the audio output control unit 12
Is output to the audio output device 5a via. The information captured in the buffer memory 18 is output to the audio output device 5b via the audio output control unit 12. Buffer memory 13,
Reading and display of information from 14, 17, and 18 are performed in parallel, operations from the operation units 3a and 3b are simultaneously performed, and information is simultaneously output to the display screens 4a and 4b and the voice outputs 5a and 5b.

Next, as another example of the modes, when the navigation execution operation from the operation unit 3a and the information recording operation such as the comment writing from the operation unit 3b are simultaneously performed as the mode 2, the following processing is performed. It is realized by the flow of. The mode is different from the mode described above in that the recording operation is performed from the operation unit 3b. Specifically, the CPU 9 sends a control signal to the recording / reproducing apparatus 10 based on the control signal from the operation unit 3a, and the recording / reproducing apparatus 10 reads the map information for navigation and the incidental information, and once After being stored in the buffer memory 16, it is sent to the data control unit 11. The position information from the position sensor 2 is stored in the CPU 9
And is combined with the map information from the recording / reproducing apparatus 10 and the information attached thereto by the data control unit 11. The control signal from the operation unit 3b is sent to the data control unit 11 via the CPU 9. The data control unit 11 writes information such as a comment in the buffer memory 13 if the sent information is information for navigation such as automatic position information on a map, or in the buffer memory 17 if the information is voice guidance information for navigation. If so, it is stored in the buffer memories 14 and 15. The CPU 9 uses the buffer memories 13, 1
In order to prevent the information taken in by 4 and 17 from becoming empty, time-divisional information read control from the recording / reproducing apparatus 10 is performed,
When the information stored in the buffer memories 13, 14, and 17 has a predetermined capacity or more, the information is not read. The information captured in the buffer memory 13 is displayed on the display screen 4 via the display screen controller 8.
output to a. The information captured in the buffer memory 14 is output to the display screen 4b via the display screen control unit 8. The information taken in the buffer memory 17 is output to the audio output device 5a via the audio output control unit 12.
The information taken into the buffer memory 15 is recorded by the recording / reproducing device 10. Further, the reading and writing of information from the phase change optical disk to the buffer memory 16 and the writing of information from the buffer memory 15 to the phase change optical disk in the recording / reproducing apparatus 10 are performed in a time division manner. The reading of information from the buffer memories 13, 14, 17 is performed in parallel, the operations from the operation units 3a, 3b are simultaneously executed,
Information is simultaneously output to the display screens 4a and 4b and the audio output device 5a.

Although an example of mode 3 is shown below, in the mode 2 the information recording operation such as the writing of a comment was performed from the operation part 3b, but in this mode, the operation part 3a is performed.
The information recording operation is performed from.

When the reproduction operation of other information such as the search of the store from the mode 3b is performed at the same time, it is realized by the process flow described below. The control signal from the operation unit 3a is sent to the data control unit 11 via the CPU 9.
CPU 9 based on a control signal from the operation unit 3b
Sends a control signal to the recording / reproducing apparatus 10, a desired signal for searching a store or the like is read from the recording / reproducing apparatus 10, and is temporarily stored in the buffer memory 16 and then sent to the data control unit 11. If the sent information is information such as the writing of a comment, the data control unit 11 outputs the buffer memory 13,
If other map information such as a store search is stored in the buffer memory 15, the audio information of the other map information is stored in the buffer memory 18. The CPU 9 controls the time-divisional reading of information from the recording / reproducing apparatus 10 and the information stored in the buffer memories 13, 14, and 18 so that the information taken into the buffer memories 13, 14, and 18 will not become empty. When the capacity is equal to or larger than a predetermined value, the reading is not performed. Buffer memory 13
The information taken in is output to the display screen 4a via the display screen control unit 8. The information captured in the buffer memory 14 is output to the display screen 4b via the display screen control unit 8. The information captured in the buffer memory 18 is output to the audio output device 5b via the audio output control unit 12. The information taken into the buffer memory 15 is recorded by the recording / reproducing device 10. Recording / reproducing apparatus 1
Buffer memory 16 from phase change optical disc at 0
The reading of information from the buffer memory 15 and the writing of information from the buffer memory 15 to the phase change optical disk are performed in a time division manner. The reading of information from the buffer memories 13, 14, 18 is performed in parallel, the operations from the operation units 3a, 3b are simultaneously executed, and the information is simultaneously output to the display screens 4a, 4b and the audio output device 5b.

In addition to the above, it is also possible to control the above-mentioned modes according to the operator (driver or passenger) and the operating condition of the operator (running or stopped). In particular,
For example, when the operation of the operation unit 3a by the driver is restricted, the control signal from the operation unit 3a is changed to CP.
It is possible for U9 to control so that only limited modes of operation are performed. FIG. 3 is a flowchart showing the processing of the CPU 9 at this time. First, it is determined whether or not the vehicle is being driven based on the position of the car key and gear (P or N), the side brake, etc. (step 1). When not in operation, the CPU 9 receives control signals from the operation units 3a and 3b and controls so that all modes of the in-vehicle information recording / reproducing apparatus can be operated (step 2). While driving, the control signal received by the CPU 9 is the operation unit 3
It is judged whether it is a signal from a or a signal from the operation unit 3b (step 3). If it is a control signal from the operation unit 3b, the control signal is received and control is performed so that all modes can be operated (step 4). If it is a control signal from the operation section 3a, control is performed so that mode 1 and mode 2 in the above-described embodiment can be operated (step 5).

Further, as shown in FIG. 4, a small personal computer 20 can be connected by providing a communication terminal 21 on the apparatus main body 1. In this case, the operation unit 3 in the above-described embodiment
It is possible to use the keyboard 19 instead of b, the display screen 4c instead of the display screen 4b, and the voice output device 5c instead of the voice output device 5b.

In the above embodiments, the case where the phase change optical disk is used is described, but the present invention is not limited to this, and a recording medium such as a magneto-optical disk can be applied. Although the diameter of the phase change optical disk is limited to 86 mm in the above-mentioned embodiments, optical disks of various sizes can be applied. Further, in the above-described embodiment, the case where the remote controller is used as the operation unit has been described, but operation means such as pen input and voice input can be applied.

Further, in FIG. 1 of the above-mentioned embodiment, one insertion opening 6 for inserting the recording medium is provided, but two insertion openings may be provided. The recording / reproducing apparatus 10 shown in FIG.
One is provided, but two are provided, one for the driver's seat and the other for the rear seat.

[0021]

As described above, according to the present invention, a plurality of information display screens for navigation, a voice output device, and a plurality of operating units are provided respectively, so that navigation operation in the driver's seat and search of a store or map in the rear seat can be performed at the same time. You can enter comments on the top, improving usability. Further, in the rear seat, the navigation device can be operated without being restricted by the operation while traveling, so that the functionality is improved. Also, by providing a communication terminal on the main unit and connecting a small personal computer, it becomes possible to operate from the keyboard, improving operability.

[Brief description of drawings]

FIG. 1 is an external view showing an embodiment of an in-vehicle information recording / reproducing apparatus according to the present invention.

FIG. 2 is a block diagram of an embodiment of an in-vehicle information recording / reproducing apparatus according to the present invention.

FIG. 3 is a flowchart showing processing of a CPU.

FIG. 4 is an external view showing an in-vehicle information recording / reproducing apparatus of another embodiment.

FIG. 5 is a block diagram showing a configuration of a conventional vehicle-mounted information recording / reproducing apparatus.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Device main body, 2 ... Position sensor, 3a, 3b ... Operation part, 4a, 4b, 4c ... Display screen, 5a, 5b, 5
c ... audio output device, 6 ... insertion slot, 7 ... phase change optical disk, 8 ... display screen control unit, 9 ... CPU, 10 ...
Recording / reproducing apparatus, 11 ... Data control section, 12 ... Audio output control section, 13, 14, 15, 16, 17, 18 ... Buffer memory, 19 ... Keyboard 20 ... Small personal computer, 21 ... Communication terminal.

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Yasuo Mogi 1 Komukai-shi Toshiba-cho, Sachi-ku, Kawasaki-shi, Kanagawa Within the Corporate Research & Development Center, Toshiba Corp. Town No. 1 Incorporated company Toshiba Research and Development Center (72) Inventor Hiroshi Kashihara No. 1 Komukai Toshiba Town, Kouki-ku, Kawasaki City, Kanagawa Prefecture Incorporated Toshiba Research and Development Center (72) Inventor Maho Kuwahara Kawasaki, Kanagawa Komukai-Toshiba-cho 1-ku, Toshiba Research & Development Center

Claims (4)

[Claims] 1. An in-vehicle information recording / reproducing apparatus having a built-in recording / reproducing apparatus for reproducing information pre-recorded on an information recording medium and for recording / reproducing information on the information recording medium according to a user's instruction. An information display device for displaying information, a voice output device for outputting voice information among the information recorded on the information recording medium, and an operation unit for inputting an instruction from the user. A plurality of information recording / reproducing devices, each having a plurality of information recording / reproducing information on / from the information recording medium by an independent operation from the operation unit, and displaying independent information on each information display device. Characteristic vehicle information recording / reproducing device. 2. A plurality of the plurality of information display screens, a plurality of the information output screens, a plurality of the information output screens, and a plurality of the information input / output units that simultaneously input / output information from / to the operation unit at the same time. An information display device and a buffer memory corresponding to the operation unit are provided.
The in-vehicle information recording / reproducing device described. 3. The in-vehicle information recording / reproducing apparatus according to claim 1, wherein the operation of the operation section limits the operation depending on a seat position and a driving situation of the vehicle. 4. A portable terminal is further connected by communication means, and at least one of each of the plurality of information display devices, the operation unit and the voice output device is the portable terminal. The in-vehicle information recording / reproducing apparatus according to claim 1.