Tape position data indicating apparatus for cassette tape player

Details Tape position data indicating apparatus for cassette tape player Tape position data indicating apparatus for cassette tape player

1988-08-30

1991-02-26

Severin, David J.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

360137, G11B 1518

Patent

active

049966111

ABSTRACT:
A tape position data indicating apparatus for a cassette tape player wherein a tape is wound between a supply reel and a take-up reel. The apparatus includes a reel base for rotating the take-up reel for transporting the tape from the supply reel to the take-up reel, a detector for detecting a rotation period of either of the reels, a calculating circuit responsive to the rotation period detected by the detector for obtaining an approximated tape position data according to a prescribed linear equation, an indicator for indicating the approximated tape position data, a ROM memory for storing prescribed constants associated with the linear equation and circuit for supplying the prescribed linear equation constants stored in the ROM memory to the calculating circuit.

REFERENCES:
patent: 4172231 (1982-05-01), d'Arc et al.
patent: 4280159 (1979-04-01), Nakayama
patent: 4347538 (1982-08-01), Klank
patent: 4410923 (1983-10-01), Patel
patent: 4411008 (1983-10-01), d'Arc et al.
patent: 4494711 (1985-01-01), Van Pelt
German Offenlegungsschrift No. 2853025 published Jun. 16, 1979.
German Offenlegungsschrift No. 3318324 A1 published Nov. 24, 1983.

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