DRS SIGNAL SOLUTIONS, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01S RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES3106
 
  
 
H04B TRANSMISSION 3207
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446
 
  
 
H03B GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS 162
 
  
 
H03L AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES 179
 
  
 
H04Q SELECTING 1109

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8193987 Apparatus and method for determining signal quality in a geolocation systemAug 25, 09Jun 05, 12[G01S]
8063824 Magnitude-squared coherence filtering in a time difference of arrival (TDOA) or group delay interferometric geolocation systemAug 26, 09Nov 22, 11[G01S]
7031725 Method and system for determining relative positions of networked mobile communication devicesAug 11, 03Apr 18, 06[H04Q]
6922635 Method and system for determining absolute positions of mobile communications devices using remotely generated positioning informationAug 11, 03Jul 26, 05[G06F]
6654595 Radio system including mixer device and switching circuit and method having switching signal feedback control for enhanced dynamic range and performanceAug 22, 00Nov 25, 03[H04B]
6144236 Structure and method for super FET mixer having logic-gate generated FET square-wave switching signalFeb 01, 98Nov 07, 00[H03B]
6108529 Radio system including FET mixer device and square-wave drive switching circuit and method thereforFeb 01, 98Aug 22, 00[H04B]
5977912 Apparatus and method for emitter locationJun 03, 98Nov 02, 99[G01S]
5974081 Spread spectrum band transceiverSep 19, 96Oct 26, 99[H04B]
5341110 Low phase noise reference oscillatorJul 14, 93Aug 23, 94[H03L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2003/0089,994 Soild state power amplifying deviceAbandonedNov 12, 02May 15, 03[H01L]
2003/0089,995 Solid state power amplifying deviceAbandonedNov 12, 02May 15, 03[H01L]
6529081 Method of operating a solid state power amplifying deviceExpiredJun 08, 00Mar 04, 03[H03F]
2002/0013,048 Solid state power amplifying deviceAbandonedSep 13, 01Jan 31, 02[H01L]

Top Inventors for This Owner

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