Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent
1990-01-29
1991-09-17
Severin, David J.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Drum record
36013022, 360109, 360 76, 360121, G11B 548, G11B 2116
Patent
active
050500244
ABSTRACT:
A double base type double azimuth magnetic head including two head bases and a pair of head chips bonded and anchored thereto respectively. The two head bases integrally have anchor lugs with flat reverse surfaces for anchoring the head chips thereto. The head bases further have joint regions partially and are joined to each other at the surfaces of the joint regions in such a manner that the anchor lugs are placed mutually adjacent in the same direction and the reverse surfaces of the anchor lugs become flush with each other. The pair of anchored head chips are so disposed as to constitute a double azimuth head while being positioned mutually adjacent on one line with a predetermined gap left therebetween, and screw-setting circular apertures are formed in the joined head bases for attachment to a rotary drum. Due to such a structure, the operation of winding coils around the head chips can be automated, and the dimensional precision is enhanced.
REFERENCES:
patent: 4497005 (1985-01-01), Heinz
patent: 4713710 (1987-12-01), Soda et al.
patent: 4897745 (1990-01-01), Binder-Kriegelstein
Garcia Alfonso
Severin David J.
Sony Corporation
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