Rotary magnetic head apparatus

Details Rotary magnetic head apparatus Rotary magnetic head apparatus

1979-11-08

1981-10-13

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360 77, 310332, 310369, G11B 2124, G11B 556, G11B 2110

Patent

active

042951720

ABSTRACT:
A rotary magnetic head apparatus having a bending mode vibrator or vibrators mounted on a rotary cylinder, the vibrator comprising either ring shape piezoelectric vibrators bonded together with their polarization axes aligned in the direction of the thickness or the bonded piezoelectric vibrators bisected along a diameter of the ring, the bending vibrator mounting thereon a magnetic head or heads.

REFERENCES:
patent: 4093883 (1978-06-01), Yamamoto
patent: 4141047 (1979-02-01), Kambara et al.

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