WAVO CORPORATION

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6239843 Method and system for decoding data in a signalExpiredMay 05, 97May 29, 01[H04N]
5831679 Network for retrieval and video transmission of informationExpiredOct 28, 96Nov 03, 98[H04N]
5828422 Ghost cancelerExpiredApr 12, 96Oct 27, 98[H04N]
5742357 Direct data tunerExpiredApr 12, 96Apr 21, 98[H04N]
5731841 High performance data tuner for video systemsExpiredMay 25, 94Mar 24, 98[H04N]
5666168 System for transmitting facsimile data in the upper vestigial chrominance sideband of a video signalExpiredApr 08, 94Sep 09, 97[H04N]
5617148 Filter by-pass for transmitting an additional signal with a video signalExpiredMar 31, 95Apr 01, 97[H04N]
5587743 Signal processors for transparent and simultaneous transmission and reception of a data signal in a video signalExpiredApr 08, 94Dec 24, 96[H04N]
5572247 Processor for receiving data from a video signalExpiredApr 08, 94Nov 05, 96[H04N]
5559559 Transmitting a secondary signal with dynamic injection level controlExpiredJun 14, 93Sep 24, 96[H04N]
5557333 System for transparent transmission and reception of a secondary data signal with a video signal in the video bandExpiredFeb 24, 94Sep 17, 96[H04N]
5410360 Timing control for injecting a burst and data into a video signalExpiredJun 14, 93Apr 25, 95[H04N]
5387941 Data with video transmitterExpiredSep 18, 92Feb 07, 95[H04N]
5327237 Transmitting data with videoExpiredJun 14, 91Jul 05, 94[H04N]
5208595 Digitally controlled adaptive slew rate delta modulatorExpiredAug 21, 91May 04, 93[H03M]
5200715 Waveform modulation and demodulation methods and apparatusExpiredSep 06, 91Apr 06, 93[H03C]
5184218 Bandwidth compression and expansion systemExpiredJul 03, 91Feb 02, 93[H04N]
5124706 Analog to digital and digital to analog signal processorsExpiredMay 24, 90Jun 23, 92[H03M]
4989219 Midlevel carrier modulation and demodulation techniquesExpiredSep 22, 86Jan 29, 91[H04L]

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