Dynamic magnetic information storage or retrieval – Record transport with head moving during transducing – Tape record
Patent
1987-04-02
1988-10-18
Wolff, John H.
Dynamic magnetic information storage or retrieval
Record transport with head moving during transducing
Tape record
360 95, 242182, G11B 508, G11B 1558
Patent
active
047791500
ABSTRACT:
Pneumatically controlled apparatus serves jointly for automatically threading magnetic tape along a transport path past a magnetic transducer head external to a magnetic tape cassette, then transporting the tape along such path. Tape transport elements of the pneumatic-type--air-bearing guides, a vacuum capstan, etc.--are arranged, like the magnetic head, on the oxide surface side (the information-bearing surface) of the magnetic tape. To thread the tape, a vacuum source provides an air pressure gradient the effect of which is to draw tape, spanning a supply reel and a take-up reel, from the cassette in the form of an expandable loop which takes the shape of the transport path when the tape loop expands into operative engagement with each transport element and the transducer head. The transport elements further include a pair of concave air-bearing guides disposed immediately adjacent and tangential to opposing sides of the transducer head. The vacuum source, in cooperation with each air-bearing guide, provides the same air pressure gradient, used to thread the tape, to draw, and to thereby maintain, the tape adjacent the tape-guiding surface of each air-bearing guide during movement of the tape between the supply reel and the take-up reel.
REFERENCES:
patent: 2954911 (1960-10-01), Baumeister et al.
patent: 3134527 (1964-05-01), Willis
patent: 3254854 (1966-06-01), Deighton et al.
patent: 3617650 (1971-11-01), Morello
patent: 3898693 (1975-08-01), Chang
patent: 3940791 (1976-02-01), Kayan et al.
patent: 3986651 (1976-10-01), Grant
patent: 4194661 (1980-03-01), Grant
patent: 4315287 (1982-02-01), Noguchi
patent: 4316568 (1982-02-01), Grant et al.
patent: 4413293 (1983-11-01), Hathaway
patent: 4700909 (1987-10-01), Lohrenz et al.
Datatape Incorporated
Monteith Dennis P.
Wolff John H.
LandOfFree
Pneumatically controlled tape-loading tape-transporting apparatu does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Pneumatically controlled tape-loading tape-transporting apparatu, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pneumatically controlled tape-loading tape-transporting apparatu will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1198125