Rotary magnetic head drum assembly

Details Rotary magnetic head drum assembly Rotary magnetic head drum assembly

1992-07-08

1994-06-14

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360108, G11B 2118

Patent

active

053215699

ABSTRACT:
The present invention enables, in assembling a rotary magnetic head drum assembly including a rotary magnetic head drum and a drum base, the automatic, electrical connection of the signal lines of the rotary magnetic head drum to external amplifiers. In the magnetic head drum assembly, lands (15) connected to the signal lines of a rotary magnetic head drum (1) are brought into contact respectively with the upper ends of the spring pins (20a) of a plurality of spring pin connectors (20) mounted on a connector base plate (18) attached to a drum base (11) supporting a stationary magnetic head drum (3), with the spring pins (20a) extending upward, and connected to external amplifiers, when the assembly of the rotary magnetic head drum (1) and the stationary magnetic head drum (3) is mounted on the drum base (11).

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patent: 5070424 (1991-12-01), Ono et al.
patent: 5086361 (1992-02-01), Kawada et al.
patent: 5113298 (1992-05-01), Fukushima et al.
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Patent Abstracts of Japan vol. 15, No. 51 (P-1163) Feb. 6, 1991 & JP-A-02 282 905 (Matsushita Electric Ind. Co., Ltd.) Nov. 20, 1990.
Patent Abstracts of Japan vol. 13, No. 505 (P-959) (3853) Nov. 14, 1989 & JP-A-01 204 213 (Hitachi Ltd.) Aug. 16, 1989.
Patent Abstracts of Japan vol. 13, No. 30 ({-816) (3378) Jan. 24, 1989 & JP-A-63 228 409 (Hitachi Electronics Eng. Co. Ltd.) Sep. 22, 1988.

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