JM ELECTRONICS LTD. LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H03F AMPLIFIERS 2360
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 397
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 275
 
  
 
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 261
 
  
 
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 1101
 
  
 
H03D DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER 148
 
  
 
H03K PULSE TECHNIQUE 1130
 
  
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 1110
 
  
 
H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS 1106

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8538040 Drivers and methods for driving a loadJul 28, 08Sep 17, 13[H04R]
RE44406 Method of detecting switching power supply output currentJan 24, 08Aug 06, 13[G05F]
8482350 Low RF interference switching amplifier and methodMar 29, 10Jul 09, 13[H03F]
RE43265 Reduced output topology for multi-reference switching amplifiersOct 03, 08Mar 27, 12[H03F]
8076971 Sampling frequency reduction for switching amplifiersFeb 01, 08Dec 13, 11[H03F]
8044715 Method and system for increasing sampling frequency for switching amplifiersFeb 01, 08Oct 25, 11[H03F]
RE42470 Synchronous delay-line amplification techniqueJun 12, 09Jun 21, 11[H03B]
7948308 Filter compensation for switching amplifiersJan 30, 08May 24, 11[H03F]
7839616 Load current sensing techniqueJan 13, 09Nov 23, 10[H02H]
7629907 Sampled system agility techniqueApr 18, 05Dec 08, 09[H03M]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8138827 Filter compensation for switching amplifiersExpiredMay 11, 11Mar 20, 12[H03F]
7692487 Low RF interference switching amplifier and methodExpiredJan 31, 08Apr 06, 10[H03F]
2007/0177,744 Automatic volume limiter for portable audio devicesAbandonedJan 31, 06Aug 02, 07[H03G]
7196575 Polyphase impedance transformation amplifierExpiredMay 13, 03Mar 27, 07[H03F]
7157964 Multi-output switching amplifierExpiredAug 11, 04Jan 02, 07[H03F]
6989656 Flyback converter linearization methods and apparatusExpiredMay 13, 03Jan 24, 06[G05F]
2005/0242,975 Self-powered digital audio devicesAbandonedApr 14, 05Nov 03, 05[H03M]
2005/0232,446 Trickle-charged amplifierAbandonedApr 15, 05Oct 20, 05[H04R, H03F]
6636113 Load compensation technique for reactive impedance transformation amplifier output stageExpiredNov 15, 01Oct 21, 03[H03F]
6538505 Distortion reduction technique for inductive boost amplifierExpiredNov 15, 01Mar 25, 03[H03F]
6535058 Multi-reference, high-accuracy switching amplifierExpiredMay 11, 01Mar 18, 03[H03F, H03H]

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