Optical recording-reading head using an adjustable mount for piv

Details Optical recording-reading head using an adjustable mount for piv Optical recording-reading head using an adjustable mount for piv

1987-03-09

1988-01-12

McElheny, Jr., Donald

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

369 44, 369112, G11B 712

Patent

active

047196149

ABSTRACT:
An optical head is provided for an information carrier recording-reading device. Such an optical head comprises a pivoting mirror for reflecting the light towards the data carrier. According to the invention, this pivoting mirror is mounted on a pivoting seat having a sliding surface and resting on the sliding surface of the cradle shaped base. Said mirror is mounted on the seat so that the center of curvature of the sliding surfaces is in the reflecting plane of the mirror. Adjustment of the orientation of the mirror is thus made easy.

REFERENCES:
patent: T953002 (1976-12-01), Firester
patent: 3493296 (1970-02-01), Albert
patent: 4011003 (1977-03-01), Dragt
patent: 4209804 (1980-06-01), Dil
patent: 4390781 (1983-06-01), Musha
patent: 4527263 (1985-07-01), Nakagawa
patent: 4533826 (1985-08-01), Van Alem
patent: 4542492 (1985-09-01), Leterme et al.
patent: 4564931 (1986-01-01), O'Hara et al.
patent: 4573149 (1986-02-01), Deguchi et al.

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