Reel driving apparatus for magnetic recording and reproducing ap

Details Reel driving apparatus for magnetic recording and reproducing ap Reel driving apparatus for magnetic recording and reproducing ap

1996-11-22

1998-08-04

Darling, John P.

Winding, tensioning, or guiding

Unwinding and rewinding a machine convertible information...

With particular drive

2423563, G11B 1544

Patent

active

057881758

ABSTRACT:
A reel driving apparatus for a magnetic recording and reproducing apparatus provides the capability of easily changing the operational mode between a reproducing mode and a reverse reproducing mode without departing a pinch roller from a shaft of a capstan motor. The reel driving apparatus includes a reversely rotatable motor, a slip mechanism for receiving a rotational force from the motor and generating a predetermined torque in cooperation with a predetermined slip, a rotational force relay unit connected to the slip mechanism for receiving the rotational force from the slip mechanism, and a switching unit for performing an operation in order for the rotational force relay unit to be selectively connected with either a supply reel driving unit or a take-up reel driving unit, whereby the rotational force from the slip mechanism is selectively transferred to either the supply reel driving unit or the take-up reel driving unit by switching the rotational force relay unit.

REFERENCES:
patent: 4754939 (1988-07-01), Kaferbock et al.
patent: 5044218 (1991-09-01), Lee et al.
patent: 5054711 (1991-10-01), Kato
patent: 5230483 (1993-07-01), Kang
patent: 5251845 (1993-10-01), Ryu
patent: 5295639 (1994-03-01), Kurokawa et al.
patent: 5472151 (1995-12-01), Choi et al.
patent: 5501408 (1996-03-01), Kang et al.

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