Tape slack eliminating device for a cassette tape player

Details Tape slack eliminating device for a cassette tape player Tape slack eliminating device for a cassette tape player

1996-04-12

1998-07-14

Psitos, Aristotelis M.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

360 743, 2423344, 2423343, G11B 1543, G11B 1548

Patent

active

057813590

ABSTRACT:
A cassette tape player has two reel bases which couple with the reels of a cassette tape located in the hold position of the tape player, a drive motor which drives the reel bases to rotate, a tape slack eliminating mechanism which rotates each reel base in its own tape winding direction, two pulse generators, each of which outputs pulse signals that depend on the rotational states of one of the reel bases, and a pulse width comparator which detects whether the pulse widths of the pulse signals from the pulse generators have exceeded a prescribed value. During the tape slack eliminating operation, if a width of the pulse signal from at least one of the pulse generators exceeds the prescribed value, the player terminates the tape slack eliminating operation and proceeds to another operational mode. The player thereby eliminates tape slack in the cassette irrespective of the tape position.

REFERENCES:
patent: 3932890 (1976-01-01), Ueki et al.
patent: 4214283 (1980-07-01), Fushimi et al.
patent: 4398227 (1983-08-01), Anderson
patent: 4448368 (1984-05-01), Skalko
patent: 4664336 (1987-05-01), Koyama
patent: 5489071 (1996-02-01), Tarpley, Jr. et al.

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