Disposition or mounting of heads or light sources relatively to record carriers

Full Title

Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation , reproducing using an optical beam at lower power ; Record carriers therefor (G11B11/00, G11B13/00 take precedence) > Disposition or mounting of heads or light sources relatively to record carriers

Child Classifications

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• G11B 7/081
• G11B 7/082
• G11B 7/083
• G11B 7/085 with provision for moving the light beam into, or out of, its operative position
• G11B 7/09 with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
• G11B 7/10 Interchangeable mountings, e.g. for replacement of head without readjustment