Tape loading device in magnetic recording/playback apparatus tha

Details Tape loading device in magnetic recording/playback apparatus tha Tape loading device in magnetic recording/playback apparatus tha

1992-06-03

1997-12-23

Psitos, Aristotelis M.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

360 85, 360 95, G11B 15665

Patent

active

057012148

ABSTRACT:
A tape loading device in a magnetic recording/playback apparatus includes detection units for detecting the rotating direction and the rotation speed of a tape reel of a tape cassette, and a calculation unit for calculating a value of inertia of the tape reel from detected values of the detection units and the operational phase detected by a phase detector. In accordance with the calculated inertia value and the operational phase, a drive signal for a reel motor or a loading motor is controlled to prevent the tape from being damaged during the high-speed tape loading operation.

REFERENCES:
patent: 4758912 (1988-07-01), Yoshihiro et al.
patent: 4868923 (1989-09-01), Yoshihiro
patent: 5220477 (1993-06-01), Sorihashi et al.
patent: 5222684 (1993-06-01), Yoneda et al.
patent: 5307215 (1994-04-01), Inoue et al.

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