INTERNATIONAL TELECOMMUNICATIONS SATELLITE ORGANIZATION (INTELSAT)

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5274627 Non-regenerative multibeam satellite communications system with FDMA access and SSTDM connectivityExpiredJul 10, 91Dec 28, 93[H04J]
5209115 Liquid detector for thin-walled tanks operating in zero gravityExpiredSep 11, 91May 11, 93[B64D, G01F]
4542257 Solar cell array panel and method of manufactureExpiredApr 27, 84Sep 17, 85[H01L]
4396896 Multiple coupled cavity waveguide bandpass filtersExpiredJul 10, 79Aug 02, 83[H01P]
4386237 NIC Processor using variable precision block quantizationExpiredDec 22, 80May 31, 83[G10L]
4329731 Discharge suppressing dielectric film for use on spacecraft surfacesExpiredApr 30, 80May 11, 82[H05F]
4324845 Metal-oxide-hydrogen cell with variable conductant heat pipeExpiredJun 30, 80Apr 13, 82[H01M]
4322848 Reliability-weighted analog threshold decoderExpiredJun 26, 80Mar 30, 82[G06F]
4306692 Attitude acquisition maneuver for a bias momentum spacecraftExpiredMar 16, 79Dec 22, 81[B64G]
4293945 Multichannel correlation receiver for determining depolarization of signals along signal propagation pathsExpiredAug 29, 79Oct 06, 81[H04B, H04J]
4201992 Multibeam communications satelliteExpiredApr 20, 78May 06, 80[H01Q]
4191926 Method and apparatus for interference cancellation at base-band using multiplication of the desired interfering carriersExpiredSep 16, 77Mar 04, 80[H04B]
4181886 Distribution control unit providing simultaneous hybrid FDMA and SS-TDMA operation in a transitional satellite switched systemExpiredAug 22, 77Jan 01, 80[H04B]

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