KNOWLES IPC (M) SDN. BHD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS 7100
 
  
 
B81B MICRO-STRUCTURAL DEVICES OR SYSTEMS, e.g. MICRO-MECHANICAL DEVICES 132
 
  
 
G01S RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES1108
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446
 
  
 
G10K SOUND-PRODUCING DEVICES 134
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 1361

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0110,109 ULTRASONIC LENS FOR RECEIVER APPLICATIONOct 19, 16Apr 20, 17[G10K, G01S]
2017/0099,536 ELECTROACOUSTIC TRANSDUCER WITH FLEXIBLE COILWIRE CONNECTIONOct 06, 16Apr 06, 17[H04R]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9609429 MicrophoneJun 22, 11Mar 28, 17[H04R]
9107008 Microphone with adjustable characteristicsApr 15, 10Aug 11, 15[H04R]
8983105 MicrophoneApr 05, 11Mar 17, 15[H04R, B81B]
8072010 Membrane for a MEMS condenser microphoneApr 25, 06Dec 06, 11[H01L]
5727077 Electroacoustic transducer comprising a closing memberDec 20, 96Mar 10, 98[H04R]
5524151 Electroacoustic transducer having a maskApr 10, 95Jun 04, 96[H04R]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0002,360 Joystick Input DeviceAbandonedFeb 07, 12Jan 02, 14[G06F]
2013/0279,734 Acoustic Transducer BasketAbandonedApr 18, 13Oct 24, 13[H04R]
2013/0279,739 Acoustic Transducer Basket AssemblyAbandonedApr 18, 13Oct 24, 13[H04R]
8526665 Electro-acoustic transducer comprising a MEMS sensorExpiredJul 29, 08Sep 03, 13[H04R]
8482524 Input device for an electronic deviceExpiredNov 21, 08Jul 09, 13[G09G, G06F]
2012/0207,335 PORTED MEMS MICROPHONEAbandonedFeb 14, 11Aug 16, 12[H04R]
7933429 Vibrating element for an electroacoustic transducerExpiredSep 20, 05Apr 26, 11[H04R]
7796773 Communication device comprising sound-conveying means for two sound-producing modesExpiredJul 14, 04Sep 14, 10[H04R]
6831989 Electroacoustic transducer having a moving coil and having movable holding elements for the connecting leads of the moving coilExpiredOct 02, 02Dec 14, 04[H04R]
6697496 Electroacoustic transducer comprising a membrane with an improved pleats areaExpiredJul 11, 02Feb 24, 04[H04R]
6681024 Device including a built-in electroacoustic transducer for optimum speech reproductionExpiredAug 04, 98Jan 20, 04[H04R]
6671384 Apparatus having an electroacoustic transducer mounted on a p.c. board with the aid of a holding meansExpiredMar 23, 00Dec 30, 03[H04M, H04R, A47G]
6628790 Apparatus for on-ear operation and off-ear operation with two sound reproduction transducersExpiredAug 28, 00Sep 30, 03[H04R]
6526152 Electroacoustic transducer having a moving coil and elastic holding elements for the connecting leads of the moving coilExpiredJan 25, 01Feb 25, 03[H04R]
6490361 Apparatus having a housing which accommodates a sound transducer and which has a passageExpiredJan 26, 00Dec 03, 02[H04R]
6463161 Electroacoustic transducer having contact holding means for spring contacts for the electrical connection of the transducerExpiredOct 17, 01Oct 08, 02[H04R]
6370257 Apparatus including an electroacoustic transducer having terminal contacts which extend in the direction of the transducer axis and including a printed circuit board having mating contactsExpiredMar 02, 00Apr 09, 02[H04R]
6160897 Apparatus for operation in an on-ear mode and an off-ear modeExpiredMay 11, 99Dec 12, 00[H04R]

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