Tape recorder motor circuit

Details Tape recorder motor circuit Tape recorder motor circuit

1983-03-21

1985-12-03

Cardillo, Jr., Raymond F.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

360 742, 360 73, G11B 1548, G11B 1546

Patent

active

045569193

ABSTRACT:
A tape recorder motor circuit includes an automatic shutoff circuit and a motor servo circuit formed by a constant current circuit section, a bridge circuit, and an amplifier section. The constant current circuit section is connected to a power source through a switching transistor which is controlled by the automatic shutoff circuit. The amplifier section of the motor servo circuit is connected in a substantially direct manner to the power source, not through the switching transistor.

REFERENCES:
patent: 3583617 (1971-06-01), Kosaka
patent: 3906169 (1975-09-01), Iwase et al.
patent: 4322765 (1982-03-01), Furuta
patent: 4413290 (1983-11-01), Furuta
IEEE Transactions on Consumer Electronics, vol. CE-24, No. 1, "Higher Integration for Tomorrow's Cassette/Tape Recorders", Siligoni, pp. 126-134, Feb. 1978.

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