Magnetic tape guide drum with grounding device

Details Magnetic tape guide drum with grounding device Magnetic tape guide drum with grounding device

1984-08-02

1986-11-18

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head moving during transducing

Tape record

360 85, G11B 5027

Patent

active

046239448

ABSTRACT:
A magnetic tape guide drum for a magnetic video recording and playback apparatus has a rotary magnetic head and is adapted for guiding a magnetic tape traveling spirally about the drum. The drum includes a rotary drum portion, a stationary drum portion and a shaft secured to the rotary drum portion and supported rotatably by the stationary drum portion for rotating the rotary drum portion. A grounding device is provided in the stationary drum portion and held in sliding contact with the peripheral surface of the shaft.

REFERENCES:
patent: 3588378 (1971-06-01), Protas
patent: 4369473 (1983-01-01), Eibensteiner
patent: 4447752 (1984-05-01), Boyce et al.

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