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Individual
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Individual
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Publication of GB284287ApublicationCriticalpatent/GB284287A/en
G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
Landscapes
Investigating Materials By The Use Of Optical Means Adapted For Particular Applications
(AREA)
Indication In Cameras, And Counting Of Exposures
(AREA)