Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Tape record
Patent
1978-05-09
1980-08-05
Tupper, Robert S.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Tape record
360 78, 360106, G11B 1568, G11B 2108
Patent
active
042165075
ABSTRACT:
A magnetic tape player-changer for sequentially playing endless, multi-track magnetic tapes housed in cartridges. The player-changer includes a magazine housing a plurality of cartridges, and a track along which the magazine is moved to sequentially position cartridges in a playing position. The magazine is provided with a surface having a plurality of intersecting, curved grooves, and the player-changer is provided with a driven, revolvable cam which rides in the grooves. The cam and grooves are so oriented as to smoothly advance the magazine to position sequential cartridges in the playing position with little noise. The player-changer includes transducer stepping and step-counting means for advancing a transducer from one pair of tracks to another of a tape and for counting the steps so as to advance a new cartridge into the playing position when all of the tracks of the previous tape have been played. Means are also provided to reverse the travel of the magazine to its original position when all of the tape cartridges have been played. The principles of our invention are also applicable to rotary magazines for continuously, sequentially indexing magnetic tape cartridges to a playing position.
REFERENCES:
patent: 3752484 (1973-08-01), Ban
patent: 3816851 (1974-06-01), White et al.
Flygstad Dean W.
Petelle James F.
Telex Communications, Inc.
Tupper Robert S.
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