Burr-Brown Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 2487
 
  
 
H03F AMPLIFIERS 1865
 
  
 
H03K PULSE TECHNIQUE 8123
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 595
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 473
 
  
 
H01H ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 391
 
  
 
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 360
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 282
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 2360
 
  
 
H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF 2100

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6456219 Analog-to-digital converter including two-wire interface circuitFeb 22, 00Sep 24, 02[H03M]
6369744 Digitally self-calibrating circuit and method for pipeline ADCJun 08, 00Apr 09, 02[H03M]
6366169 Fast rail-to-rail class AB output stage having stable output bias current and linear performanceMar 16, 00Apr 02, 02[H03F]
6351229 Density-modulated dynamic dithering circuits and method for delta-sigma converterSep 05, 00Feb 26, 02[H03M]
6246351 LSB interpolation circuit and method for segmented digital-to-analog converterOct 07, 99Jun 12, 01[H03M]
6246394 Touch screen measurement circuit and methodJun 04, 98Jun 12, 01[G09G]
6201375 Overvoltage sensing and correction circuitry and method for low dropout voltage regulatorApr 28, 00Mar 13, 01[G05F]
6201835 Frequency-shaped pseudo-random chopper stabilization circuit and method for delta-sigma modulatorMar 05, 99Mar 13, 01[H04B]
6198296 Bridge sensor linearization circuit and methodJan 14, 99Mar 06, 01[G01R, G01D, H01H]
6194946 Method and circuit for compensating the non-linearity of capacitorsMay 07, 98Feb 27, 01[G06F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
D332251 Electrical connector for housing electronic circuitsExpiredApr 23, 91Jan 05, 93[]
5177451 Unity gain amplifier with high slew rate and high bandwidthExpiredJul 26, 91Jan 05, 93[H03F]
5159205 Timing generator circuit including adjustable tapped delay line within phase lock loop to control timing of signals in the tapped delay lineExpiredOct 24, 90Oct 27, 92[H03K]
5130572 Operational track-and-hold amplifierExpiredDec 26, 90Jul 14, 92[H03K]
5111131 Compact low noise low power dual mode battery charging circuitExpiredNov 30, 90May 05, 92[H02J]
5096852 Method of making plastic encapsulated multichip hybrid integrated circuitsExpiredFeb 07, 90Mar 17, 92[H01L]
5084634 Dynamic input sampling switch for CDACSExpiredOct 24, 90Jan 28, 92[H03K, G06G]
5070332 Two-step subranging analog to digital converterExpiredMar 18, 91Dec 03, 91[H03M]
5053718 Feedback control reducing signal distortion produced by differential amplifier stageExpiredJul 03, 90Oct 01, 91[H03F]
5049882 High speed analog-to-digital converterExpiredDec 20, 90Sep 17, 91[H03M]
5047665 Low noise, low offset, high speed CMOS differential amplifierExpiredJun 15, 90Sep 10, 91[H03K, H03F]
5019789 Adaptive bias circuit for preventing turnoff in a push-pull stageExpiredJun 26, 90May 28, 91[H03F]
5003269 Unity gain amplifier with high slew rate and high bandwidthExpiredMay 12, 89Mar 26, 91[H03F]
4999585 Circuit technique for cancelling non-linear capacitor-induced harmonic distortionExpiredNov 06, 89Mar 12, 91[H03F]
4968901 Integrated circuit high frequency input attenuator circuitExpiredMay 16, 89Nov 06, 90[H03K, H03H]
4954769 CMOS voltage reference and buffer circuitExpiredFeb 08, 89Sep 04, 90[G05F]
4945955 Hazardous waste removal devicesExpiredMar 23, 88Aug 07, 90[B65B]
4947169 Dummy/trim DAC for capacitor digital-to-analog converterExpiredOct 24, 89Aug 07, 90[H03M]
4945259 Bias voltage generator and methodExpiredNov 10, 88Jul 31, 90[H03K, H03F, G05F]
4940981 Dual analog-to-digital converter with single successive approximation registerExpiredFeb 08, 89Jul 10, 90[H03M]

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