Rotary head assembly for magnetic recording and reproducing devi

Details Rotary head assembly for magnetic recording and reproducing devi Rotary head assembly for magnetic recording and reproducing devi

1980-05-29

1982-02-16

Kilgore, Robert M.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360 84, 36013022, G11B 552, G11B 1560, G11B 2104

Patent

active

043162258

ABSTRACT:
In a rotary head assembly for a magnetic recording and reproducing device of the type in which rotary head member is engaged through a hydraulic bearing with a shaft whose one end is securely fixed to a base and the other end is free, the position of a thrust supporting member formed at the free end of the shaft is suitably selected so as to minimize the adverse effects caused by the thermal expansions of the component parts whereby the variation in relative position between the head and tape due to the temperature variation can be minimized and the high radial rigidity can be attained.

REFERENCES:
patent: 3981024 (1976-09-01), Mo
patent: 4099210 (1978-07-01), Dolby
patent: 4163288 (1979-07-01), Tamamura
patent: 4251840 (1981-02-01), Maruyama

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