Rotary scanning device

Details Rotary scanning device Rotary scanning device

1996-09-09

1997-04-22

Levy, Stuart S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 556, G11B 2124

Patent

active

056233850

ABSTRACT:
A rotary scanning device having a stationary upper and lower drum (1,2) is proposed, in which a cylindrical insert (15) with a servo head (16) is arranged in a radial bore (14) in the lower drum (2). The cylindrical insert (15) is secured to the circumference of a ring (18) which is concentrically supported in the lower drum (2) and which has an axial groove (19) in its circumferential surface for the adjustment of the angular position of the ring (18).

REFERENCES:
patent: 3029318 (1962-04-01), Etal
patent: 3286041 (1966-11-01), Nishiwaki
patent: 3428760 (1969-02-01), Hayashi et al.
patent: 4099212 (1978-07-01), Dolby
patent: 4306261 (1981-12-01), Bergmans et al.
patent: 4524402 (1985-06-01), Ueda et al.
patent: 4725910 (1988-02-01), Kaku et al.

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