G - Physics – 11 – B
Patent
G - Physics
11
B
352/32.2
G11B 7/00 (2006.01) G11B 7/13 (2006.01) H01S 3/10 (2006.01)
Patent
CA 1053369
ABSTRACT OF THE DISCLOSURE A signal reproducing system using the light for reproducing information signals recorded on a recording medium, such as video signals recorded on a rotatable disc, in which a semiconductor diode laser is provided for supplying with the light to the recording medium having reflective portions and nonreflective portions arranged in accordance with recorded signals so that the semiconductor diode laser causes the emission of laser light only when the semiconductor diode laser receives the reflection from the reflective portions of the recording medium, thereby to reproduce the recorded signals in response to the emitted laser light.
219815
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