JPS645510B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention sequentially stores image information unit by unit in a storage device, and retrieves required image information from among various image information stored in this storage device as necessary. The present invention relates to an information storage and retrieval device for reading.

Recently, for example, image information such as documents, which is increasing significantly, is photoelectrically converted by optical two-dimensional scanning.
This photoelectrically converted image information (video signal) is sequentially stored unit by unit in a storage device such as an optical disk device (or magnetic tape device), and one of the various image information stored in this storage device is BACKGROUND ART Information storage and retrieval devices have been developed and put into practical use that search for and read out required image information as needed and output it in a form that can be visually viewed on an output device such as a CRT display device or a hard copy device.

In such an information storage and retrieval device, when storing image information, the image information is sequentially stored in the image information storage area of the information storage medium in the storage device, and the image information storage position on the image information storage area is The index information for searching is created using the address information based on this determination and the index code input from the keyboard by the operator, and this index information is sequentially stored in the index information storage area of the storage medium. I have to. When searching and reading out image information, index information is selected from among the various image information and various index information stored in the storage device according to the index code input by the operator from the keyboard. The required image information is searched and read out based on the index information.

Therefore, in such an information storage and retrieval device, it is necessary to store index information every time image information is stored, and an optical head is required to store the image information storage area and the index information storage area of the information storage medium in the storage device. (or magnetic head) must be accessed twice. In other words, compared to storing only image information, approximately 2
It's taking twice as long.

This invention was made in view of the above circumstances, and its purpose is to provide an excellent information storage and retrieval device that can significantly improve processing speed when storing image information. It is something to do.

An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, reference numeral 1 denotes a reading device, such as a secondary scanning device, which optically scans a document (original) in two dimensions and outputs an electrical signal according to image information on the document. . 2
1 is a storage device, for example, an optical disk device, which sequentially stores image information read by the reading device 1 described above. Reference numeral 3 denotes an output device, such as a CRT display device, which displays image information retrieved and read out from among the various images stored in the optical disk device 2 as necessary. Reference numeral 4 denotes an output device, such as a hard copy device, which records image information, which is retrieved and read out from among the various image information stored in the optical disk device 2 as necessary, on recording paper. Reference numeral 5 denotes a keyboard on which index codes and various operation commands can be set. Furthermore, 6 is a page memory having a storage capacity corresponding to at least one unit of image information, for example, image information of one document (original).

Thus, the two-dimensional scanning device 1, the optical disk device 2, the CRT display device 3, the hard copy device 4, the keyboard 5 and the page memory 6
is the I/O (input/output) of the CPU (central processing unit) 10.
The output>control buses 20 are connected to each other, and controlled by the CPU 10 thereof. Furthermore, the two-dimensional scanning device 1,
optical disk device 2, CRT display device 3,
The hard copy device 4 and the page memory 6 are each connected to an image bus 30 so that information can be transferred to each other. The CPU 10 has the features of low power consumption and high integration.
A memory 40 of the form is connected. Here, the memory 40 is equipped with a battery (not shown) as a backup power source.

Next, the operation in the above configuration will be explained. First, for example, a document containing image information is set on the two-dimensional scanning device 1. and,
Set the reading operation using the keyboard 5. Then, 2
The image information on the document is read by the dimensional scanning device 1 and stored in the page memory 6 as one unit of information. Thereafter, an index code for the read image information is set using the keyboard 5, and a storage operation is set using the keyboard 5. Then, the image information stored in the page memory 6 is stored after the already stored image information in the image information storage area of the optical disk memory of the optical disk device 2. At this time, the CPU
10, the storage position of the new image information on the image information storage area is determined, and the address information based on this determination result and the operator input the keyboard 5.
Index information is created using the index code input in advance from , and this index information is stored in the memory 40 . In this way, as various types of image information are stored in the optical disk memory, index information corresponding to each type of image information is sequentially stored in the memory 40. After that, a certain amount of index information in the memory 40 is
For example, when the memory 40 becomes full or when the image information storage process ends, each index information in the memory 40 is sequentially read out as the image information is stored at that time, and it is stored in the index information storage area of the optical disk memory. are stored sequentially in batches.

Therefore, when obtaining desired image information from among the various image information stored in the optical disk device 2, the index code for the desired image information is set using the keyboard 5, and the keyboard 5 is also used to search and retrieve the desired image information. Set read operation. Then, predetermined index information stored in the optical disk device 2 is selected (read) according to the index code set above, and required image information in the optical disk device 2 is searched based on the index information. is read out. and,
This read image information is stored in the page memory 6. After that, when display operation or recording operation is set using the keyboard 5, the image information stored in the page memory 6 is transferred to the CRT display device 3.
or recorded on recording paper by the hard copy device 4.

Therefore, when storing image information, it is no longer necessary to store index information each time the image information is stored, thereby making it possible to significantly improve processing speed. Furthermore, even if the operating power to the information storage and retrieval device is suddenly cut off due to a power outage, for example, the memory 40 is equipped with a battery as a backup power source, so that the function of the memory 40 can be restored after the power is restored. becomes easier.
In this case, if the memory 40 is luminescent,
By providing a battery, it is also possible to retain the stored contents.

In the above embodiment, the case where an optical disk storage device is used as the storage device has been described, but it goes without saying that the same implementation can also be carried out when a magnetic tape device is used. In addition, the present invention is not limited to the above-mentioned embodiments, and can be modified in various ways without changing the gist.

As described above, according to the present invention, stored information is temporarily stored in the first memory, and a plurality of stored information stored in the first memory is stored in the storage means by the first processing means. Along with sequentially memorizing,
A plurality of pieces of index information corresponding to the stored information are temporarily stored in a second memory, and this index information is processed separately from the stored information by a second processing means.
By storing data all at once in the storage means, the access time of the recording head can be shortened and the processing speed can be significantly increased, compared to the process of storing the corresponding index information each time the stored information is stored. It is possible to provide an information storage and retrieval device that can be improved.

[Brief explanation of drawings]

The drawing is a block diagram schematically showing the overall configuration of the present invention. 1...Reading device (two-dimensional scanning device), 2...Storage device (optical disk device), 3...Output device (CRT display device), 4...Output device (hard copy device), 5...Keyboard, 6...Page memory, 10
…CPU (Central Processing Unit), 40…Memory (CMOS
shape memory).

Claims (1)

[Scope of Claims] 1. Information for storing stored information and index information corresponding to this stored information in a storage means, and searching for stored information corresponding to this index information from the storage means by specifying the index information. In the storage retrieval device, a first memory temporarily stores storage information to be stored in the storage means, and a second memory temporarily stores a plurality of index information corresponding to the plurality of storage information sequentially stored in the first memory. a memory, a first processing means for sequentially storing the storage information stored in the first memory in the storage means, and a first processing means for storing the plurality of index information stored in the second memory in the storage means at once. The second thing to remember
An information storage and retrieval device comprising: a processing means; and an information storage and retrieval device.