Dynamic information storage or retrieval – Information location or remote operator actuated control – Selective addressing of storage medium
Patent
1987-04-17
1988-06-28
Arnold, Bruce Y.
Dynamic information storage or retrieval
Information location or remote operator actuated control
Selective addressing of storage medium
369 44, 369 46, 369109, G11B 700, G02B 518
Patent
active
047535130
ABSTRACT:
An optical type head device comprises an optical beam separating means having a first surface which functions to reflect a principal light beam emitted from a light source and to separate it into a zero-order subbeam and positive and negative first-order subbeams.
REFERENCES:
patent: 3876842 (1975-04-01), Bouwhuis
patent: 3919465 (1975-11-01), Adler et al.
patent: 4171879 (1979-10-01), Bricot et al.
patent: 4223348 (1980-09-01), Oinoue et al.
patent: 4358200 (1982-11-01), Heemskerk et al.
patent: 4581728 (1986-04-01), Nakamura et al.
patent: 4607356 (1986-08-01), Bricot et al.
patent: 4658391 (1987-04-01), Nozu et al.
patent: 4661944 (1987-04-01), Van Sluys
patent: 4667316 (1987-05-01), Suda et al.
Arnold Bruce Y.
Lerner Martin
Mitsubishi Denki & Kabushiki Kaisha
LandOfFree
Optical type head device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Optical type head device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical type head device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1912089