Channel changing mechanism of a tape player

Details Channel changing mechanism of a tape player Channel changing mechanism of a tape player

1984-02-10

1986-03-04

Stellar, George G.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

360 78, 360106, G11B 1544, G11B 2108

Patent

active

045743223

ABSTRACT:
A tape player includes a fast-forwarding and rewinding mechanism consisting of forward-drive means for setting the tape player in the fast-forwarding mode, reverse-drive means for setting the tape in the rewinding mode and forward-drive and reverse-drive electromagnetic plungers associated with the forward- and reverse-drive means. A channel changing mechanism according to the invention comprises: an off plate reciprocal between its stop mode and play mode positions responsively to a head shift mechanism and responsively to one of the electromagnetic plungers; a drive gear continuously rotated by a drive motor; a change gear including a tooth train engageable with the drive gear and a cut-off partly breaking the tooth train for interruption of engagement with the drive gear; a change link plate reciprocal responsively to rotation of the change gear for switching a pinch roller and an idler gear between the forward-drive and reverse-drive modes; and a change-off plate resposive to the off plate in the play mode for locking the change gear at a position not engageable with the drive gear.

REFERENCES:
patent: 4227223 (1980-10-01), Magata et al.
patent: 4419702 (1983-12-01), Tanaka
patent: 4452409 (1984-06-01), Takai

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