Dynamic information storage or retrieval – Information location or remote operator actuated control – Selective addressing of storage medium
Patent
1985-05-17
1988-05-03
Stephan, Steven L.
Dynamic information storage or retrieval
Information location or remote operator actuated control
Selective addressing of storage medium
369 772, G11B 548, G11B 1700
Patent
active
047425040
ABSTRACT:
An automatic disk cassette changing apparatus employs a pair of cassette storage racks for holding a plurality of optical disk cassettes in an upright (vertical) position. A motor operated loading mechanism checks to see if an operator has properly loaded a cassette onto a transport slide and then moves the slide to place the cassette in a predetermined position inside the apparatus. A cassette handling mechanism including a tiltable carrying frame then picks up the cassette and delivers it either to a storage slot in one of the storage racks or to an optical read/write unit. To insert a cassette into the latter, the carrying frame is tilted 90 degrees so that the cassette is loaded into the read/write unit in approximately a horizontal position. The handling mechanism employs three separate motors for raising and lowering the carrying frame, for tilting the carrying frame, and for moving the frame from side-to-side in response to control commands.
REFERENCES:
patent: 3246899 (1966-04-01), Bodenroder
patent: 4170030 (1979-10-01), Castrodale et al.
patent: 4502133 (1985-02-01), Sityj et al.
patent: 4504936 (1985-03-01), Faber et al.
patent: 4507768 (1985-03-01), Ikedo et al.
patent: 4608679 (1986-08-01), Rudy et al.
Tago Yoshiaki
Takasuka Shingo
Kabushiki Kaisha Toshiba
Stephan Steven L.
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