Dynamic information storage or retrieval – Information location or remote operator actuated control – Selective addressing of storage medium
Patent
1990-01-31
1991-05-28
Arnold, Bruce Y.
Dynamic information storage or retrieval
Information location or remote operator actuated control
Selective addressing of storage medium
350255, 350320, 369 4416, G02B 702
Patent
active
050188364
ABSTRACT:
An objective lens drive apparatus includes an objective lens holder supporting an objective lens and provided with drive coils, a base fixing permanent magnets, printed circuit boards fixing the base at a monolithic portion thereof, and a plural number of flexible support members electrically and mechanically connected at their base ends to the printed circuit board, and with their distal ends supporting the objective lens holder so as to be flexibly displaced to a position where the drive coils oppose the permanent magnets, and wherein terminals of the drive coils are electrically connected to the flexible support members which are different with each other, and a drive current is supplied to the drive coils from the printed circuit board to pass through the flexible support members.
REFERENCES:
patent: 4596444 (1986-06-01), Ushida
patent: 4653856 (1987-03-01), Kamiko
patent: 4669823 (1987-06-01), Iguma et al.
patent: 4750164 (1988-06-01), Nose
patent: 4911534 (1990-03-01), Beyersbergen van Henegouwen et al.
Kamisaka Takashi
Noda Yasushi
Shimozawa Kenji
Arnold Bruce Y.
Ben Loha
Meller Michael N.
Teac Corporation
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