ALLEGRO MICROSYSTEMS, INC.

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Technologies

Intl Class Technology # of Patents Rank
 
 
 
H03K PULSE TECHNIQUE 3101
 
 
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 260
 
 
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 284
 
 
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 2101
 
 
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 175
 
 
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 1126
 
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1324
 
 
 
G08B SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 176
 
 
 
G08C TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS 143
 
 
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 1268

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7,859,835 Method and apparatus for thermal management of a radio frequency systemJun 10, 09Dec 28, 10[H05K]
6,334,158 User-interactive system and method for integrating applicationsNov 29, 96Dec 25, 01[G06F]
5,331,218 Switched-capacitor notch filter with programmable notch width and depthJul 13, 92Jul 19, 94[H03K]
5,289,344 Integrated-circuit lead-frame package with failure-resistant ground-lead and heat-sink meansOct 08, 92Feb 22, 94[H05K]
5,286,426 Assembling a lead frame between a pair of molding cavity platesApr 01, 92Feb 15, 94[B29C]
5,278,478 Programmable PD servo-compensatorJul 13, 92Jan 11, 94[G05B]
5,264,783 Contactless magnet-activated proportional controllerJan 21, 92Nov 23, 93[H03K, G05F]
5,258,760 Digitally dual-programmable integrator circuitJul 13, 92Nov 02, 93[H03M]
5,245,262 Hybrid control law servo co-processor integrated circuitJul 13, 92Sep 14, 93[G05B]
5,220,207 Load current monitor for MOS driverSep 03, 91Jun 15, 93[H03K]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Filing Date Issue/Pub Date Intl Class
2010/0156,397 METHODS AND APPARATUS FOR AN ANGLE SENSOR FOR A THROUGH SHAFTDec 23, 08Jun 24, 10[G01B]
2008/0036,453 VEHICLE HAVING A SENSOR WITH CAPACITOR ON CHIPOct 23, 07Feb 14, 08[G01B]
2008/0013,298 METHODS AND APPARATUS FOR PASSIVE ATTACHMENT OF COMPONENTS FOR INTEGRATED CIRCUITSJul 14, 06Jan 17, 08[H05K]
2007/0279,053 INTEGRATED CURRENT SENSORJul 11, 07Dec 06, 07[G01R]
2006/0219,436 CURRENT SENSORMay 12, 06Oct 05, 06[H01L]
2005/0225,318 Methods and apparatus for vibration detectionApr 08, 04Oct 13, 05[G01R, G01B]
5,963,028 Package for a magnetic field sensing deviceAug 19, 97Oct 05, 99[G01R, G01P, H01L]
5,387,821 Power distribution circuit with power factor correction and independent harmonic current filterNov 12, 92Feb 07, 95[H02J]
5,202,924 Stereo FM radio receiver with variable band pass stereo decoderDec 22, 89Apr 13, 93[H04H]
5,139,973 Method for making a semiconductor package with the distance between a lead frame die pad and heat spreader determined by the thickness of an intermediary insulating sheetDec 17, 90Aug 18, 92[H01L]
5,075,568 Switching bipolar driver circuit for inductive loadJan 22, 91Dec 24, 91[H03K]
5,053,947 Extended multistation bus system and methodSep 29, 89Oct 01, 91[G06F]
5,045,492 Method of making integrated circuit with high current transistor and CMOS transistorsSep 25, 89Sep 03, 91[H01L]
5,045,920 Dual-Hall ferrous-article-proximity sensorJun 28, 90Sep 03, 91[H01L]
5,027,402 Blend-on-noise stereo decoderDec 22, 89Jun 25, 91[H04H]
5,012,322 Semiconductor die and mounting assemblyMay 18, 87Apr 30, 91[H01L]
5,001,073 Method for making bipolar/CMOS IC with isolated vertical PNPJul 16, 90Mar 19, 91[H01L]
5,001,757 FM stereo tone detectorDec 22, 89Mar 19, 91[H04H]
4,982,155 Hall sensor with high pass hall voltage filterJun 29, 89Jan 01, 91[G01R, H01L]
4,935,698 Sensor having dual Hall IC, pole piece and magnetMar 03, 89Jun 19, 90[G01B, H01L]

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