SIEMENS-ALBIS AG

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5463680 Switching arrangement for activating electrical devicesExpiredFeb 15, 94Oct 31, 95[H04M]
5331326 Correcting errors in crossfeed radar systemsExpiredDec 21, 90Jul 19, 94[G01S]
5200951 Apparatus and method for transmitting messages between a plurality of subscriber stationsExpiredJun 30, 92Apr 06, 93[H04M, H04Q]
5093663 Pulse compression radar system with data transmission capabilityExpiredNov 14, 88Mar 03, 92[G01S]
5087899 Variable attenuation network with constant input and output resistancesExpiredMay 19, 89Feb 11, 92[H03H]
5063354 Frequency synthesizing deviceExpiredDec 20, 89Nov 05, 91[H03L]
5019785 Frequency synthesizing deviceExpiredOct 18, 89May 28, 91[H03L, H03B]
5001486 Radar system for determining the position of two or more objectsExpiredAug 04, 89Mar 19, 91[G01S]
4952940 Radar system with a digital expanderExpiredJan 18, 89Aug 28, 90[G01S]
4905010 Method for balancing channels in a multichannel pulse radar system and a radar system using this methodExpiredApr 14, 89Feb 27, 90[G01S]
4891599 Expander system for pulse signalsExpiredNov 07, 88Jan 02, 90[H03K]
4812771 Expander system for pulse signalsExpiredJun 19, 86Mar 14, 89[H03K]
4782506 Arrangement for operating and maintaining a telecommunications systemExpiredJun 26, 86Nov 01, 88[H04M]
4737659 Controlled switching arrayExpiredJan 15, 87Apr 12, 88[H04Q, H05K]
4703714 Apparatus for removing solder from the drill holes of empty printed circuit boards coated with solderExpiredNov 09, 84Nov 03, 87[B05C]
4674104 Circuit arrangement for the regulation of a multichannel pulse compression systemExpiredFeb 19, 86Jun 16, 87[H04L]
4568939 Arrangement for compensation of unwanted echoes caused by the movement of a radar deviceExpiredNov 01, 82Feb 04, 86[G01S]
4516093 Surface acoustic wave filterExpiredJul 29, 83May 07, 85[H03H]
4507623 Oscillating device with capacitive displacement pickupExpiredNov 12, 82Mar 26, 85[H03B]
4495574 Bidirectional multi-mode data transfer bus systemExpiredJun 24, 82Jan 22, 85[G06F]

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