Video tape recorder

Details Video tape recorder Video tape recorder

1982-09-09

1985-04-16

Richardson, Robert L.

Dynamic magnetic information storage or retrieval

General recording or reproducing

360108, G11B 500

Patent

active

045119341

ABSTRACT:
A video tape recorder includes a rotary magnetic head drum having a rotating member and a magnetic head mounted on the rotating member, a laser element mounted on the rotating member, a current source for supplying a constant current to the laser element, a circuit for electrically connecting a coil of the magnetic head in parallel with the laser element, a photoelectric conversion member fixed in the video tape recorder, and members for optically coupling the laser element with the photoelectric conversion member.

REFERENCES:
IBM Technical Bulletin, Lundell et al., vol. 9, No. 10, Mar. 1967, p. 1376.
IBM Technical Bulletin, Buslik, vol. 13, No. 10, Mar. 1971, p. 3076.

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