Dynamic information storage or retrieval – Dynamic mechanism subsystem – Having power driven transducer assembly
Patent
1988-10-28
1991-09-03
Fuller, Benjamin R.
Dynamic information storage or retrieval
Dynamic mechanism subsystem
Having power driven transducer assembly
369215, 369249, 369255, B25B 106
Patent
active
050460625
ABSTRACT:
An optical head driving apparatus is constructed to move an optical head along the radius of an information storage medium which is rotating, to face the optical head to a predetermined position of the information storage medium where the optical head carries out a predetermined information process with respect to the information storage medium. The optical head driving apparatus comprises at least one circular bearing and at least one elliptic bearing. The bearings are disposed on opposite sides of a center of gravity of the optical head, respectively. A first guide shaft extends to pass through the circular bearing while a second guide shaft extends to pass through the elliptic bearing. The bearings and the first and second guide shafts constitute a guide means to movably support the optical head. The optical head driving apparatus further comprises an optical head moving means for controlling the movement of the optical head. A moving portion of the optical head moving means is connected to the optical head such that a center of gravity of the moving portion of the optical head moving means is positioned substantially under the first guide shaft.
REFERENCES:
patent: 4418371 (1983-11-01), Menden
patent: 4554653 (1985-11-01), Malissin et al.
patent: 4570249 (1986-02-01), Malissin et al.
patent: 4812934 (1989-03-01), Suzuki et al.
patent: 4823336 (1989-04-01), Inada et al.
patent: 4831480 (1989-05-01), Takeda
patent: 4943166 (1990-07-01), Yamishita
IBM Technical Disclosure Bulletin vol. 18 No. 7 "Drive Band Read/Write Head Attachment" E. L. Bailey; pp. 2244-2245 12/1975.
Fuller Benjamin R.
Gibson Randy W.
Kabushiki Kaisha Toshiba
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