Dynamic information storage or retrieval – Information location or remote operator actuated control – Selective addressing of storage medium
Patent
1986-02-04
1989-03-21
Faber, Alan
Dynamic information storage or retrieval
Information location or remote operator actuated control
Selective addressing of storage medium
369 30, G11B 1726, G11B 1722
Patent
active
048150568
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to a diskfile device wherein appointed disks are rapidly fed to a player in which the insertion and extraction of information are performed, so that a large amount of information transmitted by documents, images, sounds, etc. can be not only stored in a lot of disks but also extracted from these disks at high speed.
BACKGROUND ART
As a publicly known reference, there may be cited Japanese Laid-Open Patent Application No. 59-30263 a device disclosed in which comprises a wide stocker in which a lot of thin cartridges including disks therein are accommodated side by side, being stood vertically and lined in the width direction of the stocker, a stocker conveying means which conveys the stocker horizontally in the width direction of the stocker, a draw mechanism which comprises a pair of upper and lower pawls and is arranged in front of the stocker, and a player arranged by a side of the draw mechanism.
As the stocker is horizontally moved by the stocker conveying means, the pair of pawls are relatively moved within a pair of grooves which are formed in the upper and lower sides of one end portion of each cartridge, so that an appointed cartridge is selected from among the many cartridges. The selected cartridge is then drawn forward from the stocker by the pair of pawls of the draw mechanism as soon as the stocker is stopped in an appointed position. The cartridge is thereafter fed to the player in which information is inserted in or extracted from the disk enclosed in the cartridge.
However, the above device possesses several defects as mentioned below.
(A) As the stocker is horizontally moved in order to select the appointed cartridge, a space twice as large as the width of the stocker becomes necessary for the movement of the stocker. Hence, the space is used very needlessly.
(B) The stocker in which a lot of cartridges are accommodated is very heavy, so that the stocker conveying means must be constructed on a large scale. Thus, the whole device becomes not only large and heavy but also expensive.
(C) On account of the heavy stocker, the stocker can not be rapidly moved, so that it can not be possible to select the appointed cartridge on high speed, too. Thus, it is difficult to extract information successively on high speed from the disks in the cartridges.
(D) As the stocker is moved by the stocker conveying means, so that size and weight of the stocker are restricted in view of its conveying speed and strength. The number of accommodated cartridges is, therefore, 20 to 30 at most and will not reach 50 to 100, so that the device is not suitable for dealing with a large amount of information.
(E) The stocker is horizontally moved so as to select the appointed cartridge, so that it is difficult to perform preparatory operations, such as selecting, drawing and standing-by operations on the next appointed cartridge for extracting information successively from the disk in the next appointed cartridge while information is extracted by the player from the preceding disk. Because the position of the stocker relative to the draw mechanism is changed if the stocker is moved after the disk is fed to the player, it is impossible to return the cartridge on the player to the original position in the stocker after the extraction is over.
Thus, it takes too much time to replace the preceding disk on the player with the next one, so that successive high-speed extraction of information becomes impossible.
DISCLOSURE OF INVENTION
The diskfile device of this invention comprises a stationary stocker in the respective shelves of which a lot of cartridges including respective disks therein are accommodated in parallel with one another, a plurality of stationary players by which information is inserted in and extracted from the disk in the cartridge, and a carrier moved linearly between and in front of the stocker and the plurality of players, wherein one cartridge selectively drawn from the stocker is fed by the carrier to one of the players, and the other cartridge which h
REFERENCES:
patent: 2482659 (1949-09-01), Davis et al.
patent: 4271440 (1981-06-01), Jenkins et al.
patent: 4504936 (1985-03-01), Faber et al.
patent: 4527262 (1985-07-01), Manto
patent: 4608679 (1986-08-01), Rudy et al.
patent: 4614474 (1986-09-01), Sudo
McGraw-Hill Dictionary of Scientific and Technical Terms, 1974, p. 227.
Fujita Shinichi
Toi Hiroshi
Uragaki Makoto
Eslinger Lewis H.
Faber Alan
Garland Steven R.
Sony Corporation
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