JPS61273772A - Disk changer - Google Patents

Abstract

PURPOSE:To confirm a desired index part easily and speedily by providing integrally a recording device which records only index parts of plural compact disks and a reproducing device which reproduces a compact disk where the index parts are recorded. CONSTITUTION:Plural compact disks 2 where much informations are recorded are put in the storage part of a disk exchanger 1 and those compact disks 2 are reproduced continuously by a reproducing part 3. A recording and reproducing part 7 for index parts is provided integrally separately from the reproducing part 3 and only index parts of compact disks 2 reproduced by the reproducing part 3 are recorded on the recording and reproducing disk 6 for the index parts. This compact disk 6 where only the index parts are recorded temporarily is reproduced by the index part recording and reproducing part 7 to confirm the index parts. Consequently, information is retrieved speedily and the time required for index part confirmation is shortened greatly.

Description

[Detailed description of the invention] [Field of use in IT industry]

The present invention enables easy and quick confirmation of the heading section of a plurality of information recording media (hereinafter referred to as compact discs) on which a large amount of information is recorded and stored, such as compact discs and video discs. The present invention relates to a disc changer which is constructed in such a manner as to obtain a disc changer.

[Summary of the invention]

The present invention relates to a disc changer that makes it easy to check the headings of a plurality of compact discs, such as compact discs and video discs, on which a large amount of information is stored. A playback device that can be selectively played back by the device, a recording device that records only the header portions of the plurality of compact discs on another compact disk, and a playback device that plays back the compact disc on which only the header portions are recorded. It is an integrated device that, when storing a compact disc, performs continuous playback of the heading section in advance and records only the heading section on another compact disc, and then checks the desired heading section at any time as needed. can be carried out easily and quickly.

[Prior Art] Conventionally, in this type of disc changer, in order to check the heading part of the information recorded on the disc, as shown in FIG. A common method is to search. That is, a plurality of discs 2 on which information is recorded are stored in the storage unit of the disc changer 1, and in order to play the discs 2 in the playback unit 3, the heading section must be checked in the information catalog 4 or the like. For example, there was a drawback that desired information could not be reprinted.

[Problems to be solved by the invention]

Therefore, as shown in Fig. 7, the disc changer 1
Although some methods have been devised in which a CRT monitor 5 or the like is installed on the disc 2 and a heading part of the information recorded on the disc 2 is added using TOC or subcode, etc. 2, the heading section can be checked only on the only disc that is being played, and in a disc changer that stores multiple discs, all discs stored in the disc changer can be checked. The heading section of i! fm, all discs must be played back, which increases the time required to check the heading section, making it impractical. The present invention was made in order to solve the above-mentioned problems, and the present invention was made in order to solve the above-mentioned problems. When storing a compact disc, perform continuous playback of the heading section once in advance and record only the heading section on another compact disc, and check the desired heading section whenever necessary.
It is an object of the present invention to provide a disc changer that can be easily and quickly changed.

[Means for solving the problem 1] In order to achieve this object, the disc changer of the present invention installs a CRT monitor on the compact disc, and selectively plays multiple compact discs using the same playback device. a recording device that records only the heading portions of the plurality of compact discs onto another compact disc, and a reproducing device that plays back the compact disc on which the heading portions are recorded. It is characterized by: [Function] With this configuration, when storing compact discs, after all discs have been played back in succession and only the heading section has been recorded on another compact disc, the heading section can be quickly checked at any time. In addition, since a compact disc for the index section is built-in, there is no need to prepare a special disc, and information searches for the disc changer can be performed quickly.

【Example】

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. Fig. 1 is a block diagram showing a disc changer according to the present invention, Fig. 2 is a block diagram showing a disc changer according to another embodiment of the present invention, and Fig. 3 is a system block diagram of main parts according to the present invention. 5 is a flowchart showing a heading section reproduction mode according to the present invention, and FIG. 5 is a flowchart showing a heading section recording mode according to the present invention.
2 is a compact disc on which information is recorded, 3 is a playback section of the compact disc 2, 5 is a CRTR monitor, 6 is a disc for recording/playing a heading section, and 7 is a recording/playback section for a heading section. Here, a plurality of compact discs 2 on which a large amount of information is recorded are stored in the storage section of the disc changer 1, and the compact discs 2 can be continuously played back by the playback section 3. It looks like this. Further, the recording/playback section 1 for the heading section is integrally provided in the disc changer 1 separately from the playback section 3, and the recording/playback section 1 for the heading section is provided with the compact disc 6 played back by the playback section 3. Only the heading part of the disc 2 can be recorded, and once only the heading part has been recorded, the heading part recording/playback disc 6 can be played back by the recording/playback section 7 of the output section. This allows you to check the heading section. At this time, the output from the disc changer 1 is inputted to the CRTR monitor 5 via the TOC or subcode, and the information being reproduced or the heading section is displayed on the display section. Next, the reproduction mode and recording mode of the heading section will be explained in more detail based on the system block diagram of FIG. In FIG. 3, operation a of the disc changer 1
lS10: Set

[By operating the pressed keyboard, signals for disc playback mode, header section recording/playback mode, etc. are output to the system control microcomputer 11, and from this system control microcomputer 11, the changer body's playback section 12゜header section temporary recording RAM13. C
RTR controller 14. A signal is output to the data encoder 18J3 and the data recording section 19. From the reproducing unit 12, the heading section data signal, which is, for example, a subcode output, undergoes format conversion. After passing through a data decoder 15 that performs error correction, etc., the processed header data signal is input to the RAM 13.
After being processed together with the input signal from the CRTR controller 4, the output signal from the RAM 13 is
The signal is output to the CRTR input section 16 together with the signal from the controller 14 and displayed on the display section 17. Further, a heading section recording/playback mode signal outputted by the manual operation of the keys on the operating section 10 of the disc changer 1 is recorded in the data recording section 19 from the system control microcomputer 11 via the data encoder 18. Therefore, in the heading section reproduction mode as shown in FIG.
It is output as heading part data to the R input section 16 and displayed on the display section 1.
7 is displayed. In addition, as shown in FIG. 5, in the heading section recording mode, the selected disc is played back by the playback section 12 and recorded in the RAM 13 of the heading section temporary recording section, and the process is repeated until all the discs are played. , all the discs are played back, and only the heading part is recorded on the heading part recording/playback disc 6. This recording/reproducing disk 6 is made of an amorphous alloy or a dye-based recording material, and information is recorded and reproduced optically. FIG. 2 shows another embodiment of the present invention, which includes a playback unit that plays back a compact disc 2 stored in a storage unit;
A playback unit 8 that also serves as a header recording/reproducing unit for recording and reproducing data on the header recording/reproducing disc 6 is installed in the disc changer 1, and is similar to the embodiment of the present invention. Effects can be obtained. In addition, the storage section for the recording/playback disc 6 in the heading section is
Of course, it is possible to provide a dedicated storage space, but it may also be stored in the same part as other playback disc storage areas, and the disc storage area may be fixed to the disc changer 1, or only the storage area may be removed. It may be a possible magazine case. Furthermore, the magazine case may be provided with a dedicated storage section for the recording/playback disk for the index section, or may be built into the magazine case, and the disk for recording/playback for the index section may be used to store other information. In order to avoid mixing with recording discs, a removal prevention mechanism may be provided. Effects of the Invention As described above, according to the present invention, when storing a plurality of compact discs on which a large amount of information is recorded, all the discs are played back consecutively in advance and only the heading section is transferred to another compact disc. By recording the information on the disc, you can quickly check the heading section at any time, and since the heading section disk is built-in, there is no need to prepare a special disk, and you can quickly search for information using a disk changer. This greatly reduces the time required to confirm the heading section.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing a disc changer according to the present invention, FIG. 2 is a block diagram showing another embodiment of the disc changer according to the present invention, FIG. 3 is a system block diagram of main parts according to the present invention, and FIG. FIG. 5 is a flowchart showing the heading section recording mode according to the present invention, and FIGS. 6 and 7 are explanatory diagrams of a disc changer showing conventional embodiments. be. 1... Disc changer, 2... Combat 1~
Disk, 3... Playback unit, 5... CRT monitor, 6
. . . Heading section recording/playback disk, 1 . . . Heading section recording/playback section. Patent Applicant Pioneer Co., Ltd. Agent Patent Attorney Makoto Kobashi Ukiyo Patent Attorney Susumu Murai Oni9 Ya? 50 j035 pieces, +￥'4-'g) La hole 9 pieces - G$

Claims (1)

[Scope of Claims] (1) A playback device capable of selectively playing back a plurality of compact discs recording a large amount of information using the same playback device; A disc changer characterized by comprising a recording device for recording on a disc and a reproducing device for reproducing a compact disc in which only the heading section is recorded (2) Recording/playback of the disc for recording/playback of the heading section. 2. The disc changer according to claim 1, wherein the disc changer is provided in the same mechanical part of a disc changer that includes a recording/reproducing part for a compact disc on which information is recorded. (3) The disk changer according to claim 1, further comprising a CRT monitor that displays the heading section when the recording/playback disk is played back. (4) The disc changer according to claim 1, wherein the heading section recording/playback disc is stored in a plurality of compact disc storage units. (5) The disc changer according to claim 1, wherein the compact disc storage section is constituted by a magazine case that is removable from the disc changer.