Dynamic magnetic information storage or retrieval – Head – Head accessory
Patent
1982-04-06
1984-11-20
Wolff, John H.
Dynamic magnetic information storage or retrieval
Head
Head accessory
36013031, 360132, G11B 1560, G11B 2302
Patent
active
044842422
ABSTRACT:
A small or mini-cassette having a body containing rotatable laterally spaced reel hubs with a magnetic tape wound thereon, and guide elements permanently in the cassette body and leading the tape between the hubs in a run extending along the inside of a peripheral wall at the front of the body, is provided with a plurality of windows spaced apart along the peripheral wall for exposing the tape run therebehind, laterally spaced apart pairs of aligned openings extending through the upper and lower body walls in back of the tape run at locations registering with respective ones of the window, and a pair of aligned apertures extending through the upper and lower walls between the pairs of openings; and a tape recorder for such cassette includes at least one capstan projecting into a selected one of the pairs of aligned openings, a pinch roller associated with each capstan and insertable rearwardly through the window registered with the selected pair of openings for engaging the tape therebehind with the capstan, a magnetic head insertable rearwardly in another of the windows for recording or reproducing signals on the tape being driven by the capstan and pinch roller, and a tape guide post or posts extending into the apertures from outside of the cassette body and engaging the tape run adjacent the magnetic head for stabilizing the movement of the tape when being driven past such head by the capstan and pinch roller.
REFERENCES:
patent: 3529788 (1970-09-01), Sasaki et al.
patent: 4041537 (1977-08-01), Kishi
patent: 4053121 (1977-10-01), Unfried
patent: 4152735 (1979-05-01), Schoenmakers
Idei Nobuyuki
Kimizuka Masanori
Eslinger Lewis H.
Sinderbrand Alvin
Sony Corporation
Wolff John H.
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