Video tape recorder head ultrasonically vibrated transverse to a

Details Video tape recorder head ultrasonically vibrated transverse to a Video tape recorder head ultrasonically vibrated transverse to a

1991-04-09

1992-10-27

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360 75, 360104, 360128, G11B 541, G11B 548, G11B 2102, G11B 2116

Patent

active

051595109

ABSTRACT:
In a video tape recorder, in order to prevent clogging of a head gap without affecting head tracking and tape-to-head fit, a head tip is cantilevered on a rotary drum, and the tip is vibrated ultrasonically in a direction transverse to the direction of the track of the tape.

REFERENCES:
patent: 4327384 (1982-04-01), Tomita et al.
patent: 4426665 (1984-01-01), Bradford et al.
patent: 4507696 (1985-03-01), Hutter
patent: 4620256 (1986-10-01), Rubey
patent: 4882635 (1989-11-01), Sanai
patent: 4970748 (1990-11-01), Rubey

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