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United States Utility Patents
5,790,480 - 5,790,489

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NumberTitle
5,790,480 Delta-T measurement circuit
5,790,481 Retrofitable CD player system
5,790,482 Optical disk apparatus for recording information using a light intensity modulation method with a partial response detector
5,790,483 Magneto-optical disk drive device that writes and reads from two sides of a disk
5,790,484 Disc recording/reproducing apparatus having memory control which allows recording immediately upon loading of the disc
5,790,485 Automatic disk changer with lid arranged to prevent unintentional dropping of disks from a disk arranging stand
5,790,486 WITHDRAWN
5,790,487 Optical information recording medium, optical information recording method, and optical information reproducing apparatus utilizing the same
5,790,488 Optical disk having both constant linear and constant angular velocity recording regions and optical disk recording system
5,790,489 Smart compact disk including a processor and a transmission element



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