Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Tape record
Patent
1977-02-04
1979-01-02
Eddleman, Alfred H.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Tape record
360 70, 242197, G11B 1568, G11B 2304
Patent
active
041330137
ABSTRACT:
The invention is an automatic, programmable video cassette player-changer in combination with a plurality of video cassette players which use video cassettes containing visual material for a television audience and a television monitor electrically coupled to each of the video cassette players. The video cassette player-changer includes a plurality of vertically stacked cassette trays which are adapted to contain the video cassettes and a support member adapted to maintain the vertically stacked cassette trays in a fixed position. The video cassette player-changer also includes a motor adapted so that it may be driven in two directions, a screw mechanically coupled to the motor so that it rotates in response to the motor, a coupling device which couples the rotating screw to the support member so the rotating screw raises and lowers the support member. The video cassette player-changer further includes a housing adapted to contain the plurality of video cassette players, the plurality of vertically stacked cassette trays and their support member, the motor, screw and coupling device, and the television monitor. There is also a cassette changing device for unloading or loading the video cassette players which is mechanically coupled to the cassette trays. A programming apparatus programs what video cassette will be played in a particular video cassette player at a particular time by electrically controlling both the motor and the cassette changing device so that the particular video cassette may be placed in the particular video cassette player.
REFERENCES:
patent: 3083269 (1963-03-01), Gaubert
patent: 3247328 (1966-04-01), Mitchell et al.
patent: 3879758 (1975-04-01), Pyles
patent: 3881053 (1975-04-01), Lemelson
patent: 3956768 (1976-05-01), Covington
patent: 3987484 (1976-10-01), Bosche et al.
Eddleman Alfred H.
Johansen W. Edward
Programmable Systems, Inc.
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