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United States Utility Patents
4,849,810 - 4,849,819

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NumberTitle
4,849,810 Hierarchial encoding method and apparatus for efficiently communicating image sequences
4,849,811 Simultaneous audio and video transmission with restricted bandwidth
4,849,812 Television system in which digitized picture signals subjected to a transform coding are transmitted from an encoding station to a decoding station
4,849,813 Video camera with high-speed scanning
4,849,814 Charge-coupled device having overexposure control
4,849,815 Portable electronic office and components suitable therefor
4,849,816 Data communication apparatus for transmission with variable format
4,849,817 Video system, method and apparatus for incorporating audio or data in video scan intervals
4,849,818 Television receiver with receiving devices for processing videotext and teletext signals
4,849,819 Electronic still camera



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