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Off-track bit shift compensation apparatus
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Differential track recording
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Runout compensation for a coarse tracking servo system in an optical disk storage unit
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Fine and coarse servo system for access and tracking on an optical disk
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Method and apparatus for measuring the absolute thickness of dust defocus layers
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Runout compensation for a coarse tracking servo system in an optical disk storage unit
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Optical disk having formatted coarse servo tracks
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Pulsed optical data detection system
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Cmos integrated circuit configuration for eliminating latchup
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Brushless direct current motor with inverted magnet clip
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A multiple-path dichroic optical beam splitter
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A composite photo-sensitive detector array for optical disk storage systems
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Optical disk magnetic load/unload mechanism
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Information recording disk cartridge protective structure
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Preformatted diagnostic information recording disk
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Sync pattern encoding system for data sectors written on a storage medium
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Optical disk format employing resynchronizable data sectors
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Optically storing digital data
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Subaperture coarse tracking optical system for optical data storage devices
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