Magnetic recording/reproducing apparatus using cassette

Details Magnetic recording/reproducing apparatus using cassette Magnetic recording/reproducing apparatus using cassette

1977-05-23

1978-12-12

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 73, 360105, G11B 2102, G11B 1546, G11B 2122

Patent

active

041298896

ABSTRACT:
In a magnetic recording/reproducing apparatus having a support which reciprocates between reproduce and stop positions and is biased by a spring in the direction of the reproduce position, a magnetic head which is mounted such that it contacts with a magnetic tape at the reproduce position and disengages from the magnetic tape at the stop position. The head is mounted on the support and a pinch roller is mounted where it can be depressed against a capstan at the reproduce position. The pinch roller is removed from the capstan at the stop position on the support or on a deck. The pinch roller is also biased by a spring in the direction of the capstan. The reproducing apparatus has a magnetic body actuator which mechanically actuates a mechanism which slightly moves the support from the reproduce position to the stop position side to a desired degree so that the magnetic head keeps a slight contact with the magnetic tape and disengages the pinch roller from the capstan. An electromagnetic apparatus latches and holds the magnetic body actuator by magnetic force. A mechanism extinguishes the electromagnetic force by electric signals from a non-signal zone detecting circuit which detects the non-signal zones of the magnetic tape.

REFERENCES:
patent: 3503485 (1970-04-01), Andrews
patent: 3624308 (1971-11-01), Kozu et al.

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