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United States Utility Patents
5,285,270 - 5,285,279

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NumberTitle
5,285,270 WITHDRAWN
5,285,271 Digital color matrixing circuit
5,285,272 Video store and forward on demand apparatus and method
5,285,273 Tracking system
5,285,274 Optical waveguide recording medium and apparatus for playing the same
5,285,275 Decoding method of picture image data and decoding circuit therefore
5,285,276 Bi-rate high definition television signal transmission system
5,285,277 Impulse noise reduction method and circuit
5,285,278 Electronic redeemable coupon system via television
5,285,279 Ghost canceller using fuzzy control



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