Magnetic head assembly

Details Magnetic head assembly Magnetic head assembly

1979-02-09

1981-05-19

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360 77, 360107, G11B 2110, G11B 2104, G11B 554

Patent

active

042688809

ABSTRACT:
A magnetic head assembly comprising a deflectable piezo-electric member, such as a bi-morph leaf assembly, adapted for deflection in response to a voltage applied thereto, a magnetic head mounted on one end of the piezo-electric member and a U-shaped holder for the piezo-electric member. The U-shaped holder is formed of resilient material and has a pair of legs whose free ends are spring biased toward each other. The end of the piezo-electric member which is remote from the magnetic head is positioned between and clamped by the spring biased free ends of the legs of the holder. In one embodiment, a voltage is supplied to the piezo-electric member by a pair of plates, each formed of insulating material, with the clamped end of the piezo-electric member sandwiched between these plates, and with conducting member provided on at least one of the plates and in electrical contact with the piezo-electric member.

REFERENCES:
patent: 2478223 (1949-08-01), Argabrite
patent: 3247404 (1966-04-01), Batsch
patent: 3586356 (1971-06-01), Smalarz
patent: 3880489 (1975-04-01), Dauser, Jr.
patent: 4070082 (1978-01-01), Werner
patent: 4151569 (1979-04-01), Hathaway
patent: 4172265 (1979-10-01), Sakamoto et al.

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