Method and apparatus for selecting elements

Details Method and apparatus for selecting elements Method and apparatus for selecting elements

1980-08-22

1982-11-30

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Tape record

360 71, G11B 1568, G11B 2304

Patent

active

043618588

ABSTRACT:
A method and apparatus for selecting one of a plurality of elements such as tape cassettes. The apparatus includes an entrance area in a stationary member and transport apparatus for moving the elements in first and second directions with respect to the entrance area, the transport apparatus including rotor and chain embodiments. A diverter gate is used to divert an element away from and into the entrance area when the transport apparatus is moving, respectively, in the first and second directions with respect to the entrance area. Position sensing is used to determine which one of the plurality of elements is located at a predetermined location with respect to the entrance area. A selected element is brought into cooperative engagement with a read/write device located in the entrance area.

REFERENCES:
patent: 3378827 (1968-04-01), Hertrich
patent: 3710477 (1973-01-01), Frawley
patent: 3743090 (1973-07-01), Brown et al.
patent: 3747754 (1973-07-01), Nix et al.
patent: 3800942 (1974-04-01), Hirata et al.
patent: 3872506 (1975-03-01), Staar
patent: 4050751 (1977-09-01), Stange
patent: 4063294 (1977-12-01), Burkhart
patent: 4075669 (1978-02-01), Louzil et al.

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