Servo writer

Details Servo writer Servo writer

2005-07-05

2005-07-05

Hudspeth, David (Department: 2651)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

C360S071000, C360S074300

Reexamination Certificate

active

06914741

ABSTRACT:
A servo writer which writes a servo mend on a tape by the write head is characterized by being equipped with a pay-off side motor paying off the tape from tie payoff reel by rotating the pay-off reel; a winding side motor winding the tape on the winding reel by rotating the winding reel; a first capstan roller and second capstan roller which are provided at an upstream side and down stream side of the write head, respectively, and by rotating the capstan rollers, run the tape in a state pinched between respective pinch rollers and the capstan rollers; a first tension detector which is provided between the first capstan roller and second capstan roller and detects running tape tension; and a capstan roller controlling unit controlling a rotation speed of the first capstan roller and second capstan roller so that tension detected by the tension detector becomes constant.

REFERENCES:
patent: 4429261 (1984-01-01), Ohno
patent: 4497459 (1985-02-01), Yoshino et al.
patent: 2001-167493 (2001-06-01), None

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