ORIENTAL MOTOR BOSTON TECHNOLOGY GROUP INCORPORATED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 483
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 2105
 
  
 
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
8810187 Method and apparatus for misstep detection and recovery in a stepper motorAug 09, 12Aug 19, 14[H02P, G05B]
7199496 Integrated electric motor and drive, optimized for high-temperature operationJan 18, 05Apr 03, 07[H02K]
7138784 Position command and pulse timing command optimization for step motors, using a position sensorDec 22, 04Nov 21, 06[H02P]
6548977 Motor tracking control systemJul 12, 01Apr 15, 03[H02P]
5844393 Stepper drive control using variable step angleJun 30, 97Dec 01, 98[H02P]
5329195 Sensor motorNov 02, 92Jul 12, 94[H02K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6844647 Permanent magnet motor having flux density characteristics that are internally variableExpiredAug 27, 02Jan 18, 05[H02K]
6555987 Step motor control for accommodating friction load variationExpiredJul 12, 01Apr 29, 03[H02P]
6384563 Method and apparatus for load torque detection and drive current optimizationExpiredOct 23, 00May 07, 02[H02P]
6150788 Load torque detection and drive current optimization determination metExpiredFeb 16, 99Nov 21, 00[G05B]
5838122 Motor initialization method and apparatusExpiredFeb 08, 96Nov 17, 98[H02P]
5770829 General purpose position control system having recursive profile generatorExpiredJun 09, 97Jun 23, 98[G05B]
4687961 Polyphase DC motor with sensor polesExpiredMar 17, 86Aug 18, 87[H02K, H02P]

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