JPH0221484A - Reproduction only optical disk device - Google Patents

Abstract

PURPOSE:To easily reproduce image information from an optical disk by selecting a page to be reproduced on the optical disk, reading the digital image information of a selected page from the optical disk, and displaying read digital image information on a flat type display part. CONSTITUTION:A page number counter 42 is provided in a control part 40 to indicate the order of the page of the image information being reproduced at present on the optical disk 30. The number of pages of the image information being reproduced is stored in the page number counter 42. The content of the page number counter 42 is displayed on a page number display part 22 provided on an operating panel 18. The number of pages to be reproduced is designated by ten keys 20 and a search key 24, and a page number selection part 44 indicates the number of pages of the optical disk 30 to be reproduced to the control part. An indicated number of pages is also set on the page number counter 42, and is displayed on the page number display part 22. In such a way, it is possible to easily reproduce the image information from the optical disk.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a reproduction-only optical disc device for reproducing image information recorded on an optical disc.

[Prior Art] In recent years, offices have been overflowing with a large amount of documents that cannot keep up with the development of information technology, and the negative effects of this have become apparent.

Therefore, there is a need for efficient document storage that saves space. In addition, people are now calling for a vapor-free office, which means completely eliminating paper from the office.On the other hand, with the development of information technology, the amount of information is steadily increasing, and The contradictory demands of having access to a large amount of information and requiring a large amount of documents for work, but also to minimize the number of documents in terms of the office environment. be.

There is also an electronic file system that stores documents on optical disks. Since electronic file systems can store large documents, they can contribute to saving space in offices.

However, in the past, when reading documents recorded in an electronic file system, a large-scale device had to be used. Furthermore, complicated registration/search keys are attached to documents recorded on optical discs, and a dedicated operator is required to read and reproduce the necessary information.

[Problems to be solved by the invention] As described above, in the past, even reproducing information recorded on an optical disk required a large-scale device, and the registration/search keys were complex, making it difficult for only a full-time operator to access correctly. I couldn't do it.

The present invention has been made in consideration of the above circumstances, and it is an object of the present invention to provide a reproduction-only optical disc device that can easily reproduce image information from an optical disc.

[Means for Solving the Problems] A re-1-only optical disc device according to the present invention includes a selection unit for selecting which page of an optical disc stored in a replaceable cartridge is to be reproduced, and a page selected by the selection unit. an optical disc unit that reads digital image information from the optical disc; an image storage unit that stores the digital image information read by the optical disc unit; and a flat display unit that displays the image information stored in the double-headed storage unit. It is characterized by having the following.

[Operation] Since the present invention is configured as described above, a page to be reproduced on an optical disc is selected, digital image information of the selected page is read from the optical disc, and the read digital image information is displayed on a flat display section. indicate.

[Embodiment] A first embodiment of a read-only optical disc device according to an embodiment of the present invention
2, FIG. 1 is an external view of a read-only optical disc device, and FIG. 2 is a functional block diagram thereof.

As shown in FIG. 1, the read-only optical disc device according to this embodiment has a flat display 12 on the top surface of a main body 10 for displaying images. The flat display 12 includes a liquid crystal display panel, an EL display panel,
There are plasma display panels, etc.

A cartridge insertion opening 14 is provided on the right side surface of the main body 10, and an optical disc cartridge 16 is inserted through this cartridge insertion opening 14.

When the bushing button 15 is pressed, the inserted cartridge 16 is removed.

Note that the optical disk may be a read-only optical disk such as a CD, CDROM, or LD, a write-once optical disk in which recording is made permanent after recording only -degrees, or a rewritable optical disk that can be erased.

At the bottom of the flat display 12 on the top surface of the main body 10, there is provided an operation panel 18 for operating this playback-only optical disc device.A numeric keypad 2o is provided in the center of the operation panel 18, and the number of pages to be played is displayed. The page number display section 22 provided on the right side of the numeric keypad 20 is used to display the specified page number and the page number of the reproduced image.Page number display section 2
A search key 24 is provided at the bottom of 2. This search key 24 is used to search for the number of pages desired to be reproduced on the optical disc. Movement key 2 is on the left side of numeric keypad 2o.
6 and a zoom key 28 are provided. The reproduction-only optical disc device of this embodiment can enlarge or reduce a portion of the reproduced image.

The zoom key 28 is used to change the magnification of the image, and the movement key 26 is used to indicate the position of the part to be enlarged or reduced.

The read-only optical disc device according to this embodiment will be explained in more detail with reference to FIG.

The optical disc 30 is housed in the cartridge 16.

When the cartridge 16 is inserted through the cartridge insertion port 14, the optical disc 3o is mounted on the motor 32. The motor drive unit 34 drives and controls the motor 32 and drives the optical disc 3.
0 at a predetermined speed.

The image information recorded on the optical disk 30 is sent to the optical head 36.
read by The optical head 36 is driven by a head drive section 38 to select a track and is controlled to eliminate focus errors, tracking errors, etc., and image information is read from the optical disk 30.

The control section 40 controls the motor drive section 34 and the head drive section 38 to read the image information of a predetermined track of the optical disk 30. In this embodiment, it is assumed that the image information of the optical disc 30 to be reproduced is recorded in units of pages. When recording on the optical disc 30, one image to be recorded is treated as one page, and the images are sequentially recorded.
That is, the images are simply recorded in order without adding complicated codes like conventional image files.

A page number counter 42 is provided in the control section 40 in order to indicate which page of the optical disc 30 the image information currently being reproduced corresponds to. The picture being played (tJ,
The number of pages of information is stored in this page number counter 42.The contents of this page number counter 42 are stored on the operation panel 1.
The number of pages is displayed by a page number display section 22 provided on 8.

The number of pages to be reproduced is specified using the numeric keypad 20 and search key 24;
In accordance with the instruction No. 4, the page number selection unit 44 instructs the control unit the number of pages of the optical disc 30 to be reproduced. The designated page number is set in the page number counter 42 and displayed on the page number display section 22.

Note that the number of recorded pages is written in a predetermined control track of the optical disc 30, and when the cartridge 16 is installed, the control track of the optical disc 30 is read and the designated number of playback pages is 5ift large page. Try not to exceed it.

The digital image information read out from the optical head 36 is subjected to processing such as amplification by the signal processing section 46, and then sent to the data development section 4.
8 is output. When writing to the optical disk 36, for example, the international facsimile standard Model 7 Filed (1
odified READ=n+odified r
Elative elen+ent address
Since the data has been compressed using the formula (designate), the data is expanded by the data expansion unit 48 and stored in the image memory 50.

In addition, MODE 7 FEED (lodified READ)
) For details of the method, please refer to the literature: Mou, Hunter.
, A, H.

Robinson: International
digital facsinile coding 5
standards, Proc, IEEE, vol.
68. No. 7op, 854-867 (Ju
Ly, 1980).

The display operation section 52 controls the display on the flat display 12. Normally, the image information stored in the image memory 50 is displayed as is, but when an instruction is given using the zoom key 28, a portion of the image information specified by the movement key 26 is enlarged or reduced and displayed.

The printer 60 is connected to the main body 10 as necessary to take a hard copy of the screen currently displayed on the flat display 12.

Next, the operation of this embodiment will be explained.

Select the cartridge 16 of the optical disc 30 you want to play,
The optical disk 30 used in this embodiment, which is inserted into the main body through the cartridge insertion slot 14, records image information in page units in order. By writing a file name on the cartridge 16, the cartridge 16 can be used as a normal file or Just like a book, you can get the most out of it.

When the cartridge 16 is inserted, the optical disc 30 is mounted on the motor 32, and the optical disc 30 starts rotating. When the predetermined number of rotations is reached, the contents of the control track are read by the optical head 36, and the number of the last recorded pages is stored in a memory (not shown) in the control section 40. This page number may be stored in the page number counter 62 and displayed on the page number display section 22.

If the required number of pages is known in advance, the number of pages is specified using the numeric keypad 20. Then, the optical head 36 moves to the head drive section 38 so as to read the specified number of pages.
Driven by. Note that if the designated page number is greater than the final page number, this fact is displayed on the page number display section 22. When the number of pages is specified, the optical head 36
reads the designated number of pages of image information and stores it in the image memory 50 via the signal processing section 46 and data development section 48. The stored image information is displayed on the flat display 12.
will be displayed.

If you do not know the exact number of pages you need, use the numeric keypad 2o to specify the approximate number of pages and press the optical head 3.
6 and displayed on the flat display 12. Thereafter, while looking at the image on the flat display 12, the search key 24 is used to move the page forward or backward to display the desired image.

When the image of the desired page is displayed, use the zoom key 28 and movement key 26 to enlarge or reduce a portion of the image ('A) as necessary.Also, if a hard copy is required, turn on the printer 60. Connect and print the displayed content on paper.

When the use is finished, push the button 15 near the cartridge insertion slot 14 to remove the cartridge 16.

As described above, according to this embodiment, image information recorded on an optical disc can be reproduced extremely easily, and a hard copy thereof can also be obtained if necessary. Since this embodiment is configured with only the minimum functions necessary for image reproduction, the cost of the apparatus can be kept low. Therefore, if used as a personal reproduction-only optical disc device, it is useful because the contents of the optical disc can be viewed on the individual's desk without the need for a large-scale electronic file device.

FIG. 3 shows a read-only optical disc device according to an embodiment of the present invention. Components that are the same as those of the read-only optical disc device shown in FIG. 1 are given the same reference numerals and their explanations will be omitted. In this embodiment, a display device 70 provided with a flat display 12 and an operation panel 18 is connected to an optical disk 3.
A 9 display device 70, which is characterized in that it is separated from a playback device 72 that plays back 0, is connected to the playback device 72 by a connection line 74. If the reproduction device 72 is built into an office desk (not shown) and a connector for connecting the display device 70 is provided on the office desk, the display device 70 can be connected and images can be reproduced as needed. It can contribute to making the office paperless.

The present invention is not limited to the above embodiments, and various modifications are possible.

For example, in the embodiment shown in FIG. 3, one playback device is provided with one display device, but one playback device may be provided with a plurality of display devices.

For example, if each desk in a conference room is equipped with a display device, the conference can proceed smoothly.

Furthermore, by making the display device thin and the playback device compact, it may be configured as a portable playback-only optical disk device.

[Effects of the Invention] As described above, according to the present invention, image information can be easily reproduced from an optical disc.

Block diagram of a dedicated optical disc device. FIG. 3 is a perspective view showing the external appearance of a read-only optical disc device according to an embodiment of the present invention.

10...Main body, 12...Flat display, 1
4...Cartridge insertion slot, 16...Cartridge, 18...Operation panel, 20...Numeric keypad, 22...
...Page number display section, 24...Search key, 26...
・Movement key 28...Zoom key, 30...Optical disc, 32...Motor, 34...Motor drive unit, 36
... Optical head, 38... Head drive unit, 40...
Control unit, 42... Page number counter, 44... Page number selection unit, 46... Signal processing unit, 48... Data development unit, 50... Image memory, 60... Printer,
70... Display device, 72... Playback device, 74...
connection line.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing the external appearance of a reproduction-only optical disc device according to an embodiment of the present invention, and FIG.
So-Stock Company Agent Patent Attorney Yoshihito Kitano Figure 1

Claims (1)

[Scope of Claims] 1. A selection unit that selects which page of an optical disc stored in a replaceable cartridge is to be reproduced; and an optical disc unit that reads digital image information of the page selected by the selection unit from the optical disc. A read-only optical disc device comprising: an image storage unit that stores digital image information read by the optical disc unit; and a flat display unit that displays the image information stored in the image storage unit. . 2. The read-only optical disc device according to claim 1, further comprising a printer unit that prints the digital image information stored in the image storage unit on paper.