Optical information recording apparatus

Details Optical information recording apparatus Optical information recording apparatus

G - Physics

11

B

352/32.2

G11B 7/00 (2006.01) G06F 11/00 (2006.01) G11B 7/005 (2006.01) G11B 20/18 (2006.01)

Patent

CA 1145845

- 1 - Abstract: In apparatus wherein a digital information signal is recorded optically on a disk by the use of a light beam; the condition of recordal (satisfactory or otherwise) is determined by examining a reflected beam returned from the optical disk. The duration of a maximum peak of the reflected beam provides this information.

342086

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