Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent
1989-12-27
1992-08-04
Heinz, A. J.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Drum record
369244, G11B 555, G11B 2108
Patent
active
051364468
ABSTRACT:
A transducer driving apparatus symmetrically supports a transducer with soft members each being elastically deformed into circular-arc shape about an axis in a direction perpendicular to the transferring direction of the transducer. The rigidity of each of the soft members is strengthened by extremely narrowing its width in the radial direction of the circular-arc shape and by expanding its width in the center-axial direction. The soft members perform the caterpillar-like function to move a transducer to a predetermined position at an extremely fast speed with high precision to complete positioning.
REFERENCES:
patent: 4374402 (1983-02-01), Blessom et al.
patent: 4670804 (1987-06-01), Kant et al.
patent: 4775907 (1988-10-01), Shtipelman
patent: 4868696 (1989-09-01), Hammer
IBM T.D.B, vol. 31, No. 3, Aug. 1988, pp. 259-260; "Bow-Like Linear Actuator Employ'g Pretensioned Syst. of Suspensions", c/360, sub. 106.
Patent Abstracts of Japan, Unexamined Applications, Section P, vol. 11, No. 164, May 27, 1987, The Patent Office Japanese Government, p. 117 P 580; Kokai-No. 61-296 536, Dec. 27, 1986, T. Tatsuno, Canon Inc.
Patent Abstracts of Japan, Unexamined Applications, Section P, vol. 11, No. 118, Apr. 14, 1987, The Patent Office Japanese Government, p. 67 P 567; Kokai-No. 61-264 524, Nov. 22, 1986, T. Tatsuno, Canon Inc.
Patent Abstracts of Japan, Unexamined Applications, Section P, vol. 10, No. 34, Feb. 8, 1986, The Patent Office Japanese Government, p. 149 P 427; Kokai-No. 60-182 570, S. Kobayashi, Matsushita Denki Sangyo K.K.
Kuwamoto Makoto
Yamamoto Hajime
Heinz A. J.
Matsushita Electric - Industrial Co., Ltd.
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