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Method for transmitting n-bit information words, information transmission system for carrying out the method, and coding device and decoder for use in the information transmission system.
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Optical detector system for magneto-optical recording disc - detects polarisation rotation changes in light reflected from data-carrying track
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Disc cassette including an information disc.
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Optical disk tracking and seeking systems and specific track formats (discontinuities)
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Optical registration carrier and device for reading the registration carrier.
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Method for applying an optically detectable structure to the substrate of an optically readable information disc, dies for the method, device for carrying out the method and promoted data processed.
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Offset for protection against amorphous pips during write verify
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Optical recording method; optical medium and method for reading said medium
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Driver circuit for laser diode
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Write protection and data detection using differential detector
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Direct read after write verify using differential detection
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Sector mark decoder for an optical recorder
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Reed-Solomon error correction apparatus
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Calibrated feedback for laser diodes
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Friction wedge alignment system for laser diode collimator pens
