GSI GROUP CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR 654
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS495
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 4201
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 3156
 
  
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 3108
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 268
 
  
 
G01C MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY 1104
 
  
 
G01P MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT 156
 
  
 
G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS 1132
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 1100

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8809763 Optical position sensor for determining the angular position of a rotating deviceJan 20, 11Aug 19, 14[G01D]
8585226 Systems and methods for balancing mirrors in limited rotation motor systemsOct 05, 11Nov 19, 13[G02B]
8284470 Systems and methods of providing improved performance of scanning mirrors coupled to limited rotation motorsApr 21, 10Oct 09, 12[G02B]
7903336 Optical metrological scale and laser-based manufacturing method thereforOct 11, 06Mar 08, 11[H03M, G02B, G01B, G02F]
7414379 Servo control systemOct 12, 06Aug 19, 08[G05B]
7135987 Wireless chart recorder system and methodMay 30, 03Nov 14, 06[G08B]
7126109 Encoder scale error compensation employing comparison among multiple detectorsJun 14, 04Oct 24, 06[G01D]
7075057 Method of generating an index signal for an optical encoderApr 26, 05Jul 11, 06[G01D]
6809504 Dual loop regulatorMar 21, 02Oct 26, 04[H02M, G05F]
6297750 Linear position detecting systemSep 13, 00Oct 02, 01[H03M]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8654423 Low cost long-life compact low wobble wide scan angle taut-band resonant scanners with matched coefficients of thermal expansion and interchangeable mirrorsExpiredJan 20, 11Feb 18, 14[G02B]
2009/0201,133 Method For Enhancing Anti-Cloning Protection of RFID TagsAbandonedDec 03, 08Aug 13, 09[H04Q, G06F]
2009/0196,373 SYSTEM FOR INCREASING RFID TAG READER SENSITIVITYAbandonedFeb 02, 09Aug 06, 09[H03K, G08B]
2009/0144,961 MIRROR MOUNTING STRUCTURES AND METHODS EMPLOYING SHAPE MEMORY MATERIALS FOR LIMITED ROTATION MOTORS AND SCANNERSAbandonedFeb 13, 09Jun 11, 09[B23P]
2009/0062,024 Mirror MountingAbandonedAug 27, 07Mar 05, 09[F16D]
2008/0303,474 SYSTEMS AND METHODS FOR CONTROLLING LIMITED ROTATION MOTOR SYSTEMSAbandonedJun 08, 07Dec 11, 08[G05B]
2008/0297,326 Low Cost RFID Tag Security And Privacy System And MethodAbandonedMar 25, 08Dec 04, 08[H04Q]
2008/0290,994 Method For Cryptographically Combining HF and UHF RFID Tags/Smart Cards To Create A Single Multi-Use CredentialAbandonedMar 25, 08Nov 27, 08[H04Q, G06K]
2008/0290,995 SYSTEM AND METHOD FOR OPTIMIZING COMMUNICATION BETWEEN AN RFID READER AND AN RFID TAGAbandonedMar 26, 08Nov 27, 08[H04Q]
7421308 Digital control servo systemExpiredJan 26, 07Sep 02, 08[G05B]
7368705 Absolute encoder employing linked sub-encoders and beat trackExpiredJun 28, 07May 06, 08[G01D]
7343693 Scale assembly for optical encoder having affixed optical reference markersExpiredNov 09, 06Mar 18, 08[G01B]
2008/0042,830 VIRTUAL RFID-BASED TAG SENSORAbandonedJun 21, 07Feb 21, 08[G08B]
7331512 Monitoring and controlling of laser operationExpiredNov 29, 05Feb 19, 08[G06F]
2008/0022,160 MALWARE SCANNER FOR RFID TAGSAbandonedJun 21, 07Jan 24, 08[H04Q, G06F]
7321113 Precision material-handling robot employing high-resolution, compact absolute encoderExpiredMay 25, 05Jan 22, 08[H03M]
2008/0001,752 SYSTEM AND METHOD FOR SECURING RFID TAGSAbandonedJun 21, 07Jan 03, 08[G08B]
2007/0291,382 Mirror mounting structures and methods employing shape memory materials for limited rotation motors and scannersAbandonedJun 16, 06Dec 20, 07[G02B]
7291999 System and method for diagnosing a controller in a limited rotation motor systemExpiredNov 30, 06Nov 06, 07[G05B]
2007/0215,575 Method and system for high-speed, precise, laser-based modification of one or more electrical elementsAbandonedFeb 21, 07Sep 20, 07[G01L, B44C]

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