Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Tape record
Patent
1979-06-27
1981-04-21
Eddleman, Alfred H.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Tape record
242199, 242192, 360104, G11B 548, G11B 1522, G11B 2304
Patent
active
042636280
ABSTRACT:
To provide an efficient and easily handled cassette or cartridge for magnetic tape particularly suitable for longitudinal track video recording, a wind-up reel and a pay-out reel are located adjacent each other in an essentially rectangular cassette arrangement, with the tape passing diagonally between the reels so that the reels will rotate in opposite direction when in operation, the reels being engaged by friction rollers which are connected to dynamo electric machines, one of them operating as a drive motor and the other as a dynamic brake; the drive or retardation rollers, respectively, are supported by parallel-link arrangements in which one of the parallel portions of the link also carries the transducer head for essentially perpendicular engagement of the transducer head with the tape, the transducer head and the associated roller being movable in essentially radial direction with respect to the associated winding. The tape is locked in the cartridge, when not in use, by a brake plate, bearing against an end face of the center reel supporting the winding under spring pressure, the brake plate being lifted off its seat with the reels by a plunger operated by the transducing apparatus.
REFERENCES:
patent: 3650495 (1972-03-01), Boyer
patent: 3656705 (1972-04-01), Boyer
patent: 3667762 (1972-06-01), Scheid
Blaupunkt-Werke GmbH
Eddleman Alfred H.
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