Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Tape record
Patent
1995-04-17
2000-12-19
Miller, Brian E.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Tape record
226 21, G11B 5008, B65H 23038
Patent
active
061634328
ABSTRACT:
In a magnetic-tape apparatus (1) a magnetic tape (2) is conveyed from a supply reel (35) to a take-up reel (39) via a first height guide (25), a first capstan and pressure roller combination (17), a magnetic-head unit (5), a second capstan and pressure roller combination (19), and a second height guide (29). In a method of manufacturing prerecorded magnetic tape (2), before the information is recorded on the magnetic tape and while the magnetic tape is guided by the height guides (25, 29), first the first height guide (25) is adjusted in a direction parallel to the width direction (71) of the magnetic tape during tape transport, the first pressure roller (103) being kept clear of the first capstan (55). Subsequently, the second height guide (29) is adjusted during tape transport, the second pressure roller (105) being kept clear of the second capstan (57). The positional change of the magnetic tape (2) at the location of the magnetic-head unit (5) is fed back during the adjustment until the magnetic tape (2) has reached such a position relative to the magnetic-head unit (5) that during recording the information is recorded in tracks (115) within a specified tolerance at the specified position on the magnetic tape (2). After this, the information is recorded on the magnetic tape.
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Philips Technical Review, vol. 31, 1970, No. 3.
Miller Brian E.
U.S. Philips Corporation
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