Patents
Sitemap › H04 - Electric communication technique › H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; Deaf-aid sets; Public address systems › H04R 19 - Electrostatic transducers
Patents for H04R 19 - Electrostatic transducers (5,387)
12/2014
12/16/2014US8913762 Capacitive transducer circuit and method
12/10/2014CN204014058U 一种mems麦克风 One kind of mems microphone
12/10/2014CN204014057U 一种mems麦克风 One kind of mems microphone
12/10/2014CN204014056U 一种mems麦克风 One kind of mems microphone
12/10/2014CN204014055U Mems麦克风 Mems microphones
12/10/2014CN204013869U 一种提升网络视频会议一体式终端音效的装置 One way to boost network video conference terminal sound system
12/02/2014US8902604 Component support and assembly having a MEMS component on such a component support
12/02/2014US8901682 Acoustic transducers with perforated membranes
11/2014
11/25/2014US8897465 Class D micro-speaker
11/18/2014US8891345 Electro acoustic transducer
11/18/2014US8890265 Semiconductor device and microphone
11/11/2014US8885849 Component having a micromechanical microphone structure, and method for operating such a microphone component
11/06/2014US20140328501 High dynamic microphone system
11/04/2014US8879767 Acoustic apparatus and method of manufacturing
11/04/2014US8879752 Microphone
11/04/2014US8875583 Electromechanical transducer and method of manufacturing the same
10/2014
10/30/2014US20140321676 Electrostatic speaker
10/30/2014US20140321675 Speaker
10/30/2014US20140319630 Wafer level assembly of a mems sensor device and related mems sensor device
10/30/2014US20140319629 Component having a micromechanical microphone pattern
10/28/2014US8873773 Condenser microphone unit and condenser microphone
10/28/2014US8872015 Cymbal transducer using electret accelerometer
10/23/2014US20140313861 Transducer, method for manufacturing transducer, and object information acquiring apparatus
10/21/2014US8867772 Condenser microphone unit and condenser microphone
10/16/2014US20140307897 Electrostatic speaker
10/14/2014US8861765 Microphone component and method for operating same
10/14/2014US8861312 MEMS microphone
10/14/2014US8860154 CMOS compatible silicon differential condenser microphone and method for manufacturing the same
10/14/2014US8857041 Method for fabricating an electromechanical transducer
10/09/2014WO2014165844A1 Planar loudspeaker membrane for wide frequency range sound reproduction and speaker utilizing same
10/09/2014WO2014163999A1 Low frequency microphone diaphragm structures and methods
10/09/2014US20140301581 Laser Welded Speaker
10/09/2014US20140299949 Assembly of a capacitive acoustic transducer of the microelectromechanical type and package thereof
10/09/2014DE112012005792T5 Kapazitiver Sensor Capacitive sensor
10/09/2014DE102013205157A1 Sensoranordnung und Verfahren zur Umfelderfassung eines Fahrzeugs Sensor system and method for detecting the surroundings of a vehicle
10/08/2014EP2787747A1 Polymer speaker
10/07/2014US8855350 Patterned implantable electret microphone
10/07/2014US8855339 Electret loudspeaker device
10/07/2014US8855337 Microphone and accelerometer
10/07/2014US8855335 Distortion suppression in high-level capable audio amplification circuit
10/02/2014WO2014160605A1 Mems apparatus with increased back volume
10/02/2014WO2014159552A1 Mems acoustic transducer with silicon nitride backplate and silicon sacrificial layer
10/02/2014US20140291786 component having a micromechanical microphone structure
10/02/2014US20140291785 Microphone
10/02/2014US20140291784 Mems apparatus with increased back volume
10/02/2014DE102014103445A1 Vorrichtung und Verfahren zur Bestimmung der Empfindlichkeit einer kapazitiven Sensorvorrichtung Apparatus and method for determining the sensitivity of a capacitive sensor device
10/01/2014EP2782867A1 Chip with a micro-electromechanical structure and covering element, and a method for the production of same
09/2014
09/30/2014US8848962 Unidirective condenser microphone unit and condenser microphone
09/30/2014US8848950 Condenser microphone
09/30/2014US8848949 Condenser microphone unit and condenser microphone
09/30/2014US8848931 Method and device for testing and calibrating electronic semiconductor components which convert sound into electrical signals
09/30/2014US8847289 CMOS compatible MEMS microphone and method for manufacturing the same
09/25/2014WO2014153500A1 Cover for a mems microphone
09/25/2014WO2014152786A1 Digital acoustic low frequency response control for mems microphones
09/25/2014WO2014151390A1 Reset circuit for mems capacitive microphones
09/25/2014US20140286509 Microelectromechanical sensing structure for a capacitive acoustic transducer including an element limiting the oscillations of a membrane, and manufacturing method thereof
09/23/2014US8842858 Electret condenser microphone
09/23/2014US8842856 Condenser microphone
09/23/2014US8841737 MEMS device and process
09/18/2014WO2014146005A1 Acoustic-pulser feedback and power factor control of a hifu device
09/18/2014WO2014141909A1 Electrostatic speaker
09/18/2014WO2014141508A1 Capacitance type sensor, acoustic sensor, and microphone
09/18/2014WO2014141507A1 Capacitive sensor, acoustic sensor and microphone
09/18/2014WO2014141506A1 Acoustic transducer
09/18/2014WO2014141505A1 Capacitive sensor, acoustic sensor and microphone
09/18/2014US20140264654 Microphone package with integrated substrate
09/18/2014DE102014103350A1 System und Verfahren für einen überabgetasteten Datenwandler System and method for an oversampled data converter
09/18/2014DE102013204258A1 Schallwandler Transducer
09/16/2014US8837756 Dynamic microphone unit and dynamic microphone
09/16/2014US8837754 Microelectromechanical transducer and corresponding assembly process
09/16/2014US8836111 Semiconductor integrated device assembly and related manufacturing process
09/11/2014DE112011105929T5 MEMS-Mikrofon mit doppelter Rückplatte und einem unsymmetrischen Verstärker-Eingangsanschluss MEMS microphone with dual rear plate and a single-ended amplifier input terminal
09/10/2014EP2775737A1 Folded electrostatic speaker
09/10/2014EP2775736A1 Ultrasonic oscillator element and ultrasonic endoscope
09/10/2014EP2774390A1 Embedded dielectric as a barrier in an acoustic device and method of manufacture
09/09/2014US8831253 Electroacoustic apparatus with optical energy conversion function
09/09/2014US8831247 Phantom power circuit
09/09/2014US8831246 MEMS microphone with programmable sensitivity
09/09/2014US8828771 Sensor manufacturing method
09/04/2014US20140247955 Folded electrostatic speaker
09/03/2014EP2772071A1 Vented microphone module
09/02/2014US8824719 Microphone unit and voice input device comprising same
09/02/2014US8824707 Acoustic substrate
09/02/2014US8824706 Piezoelectric microphone fabricated on glass
09/02/2014US8824698 Integrated circuit device, voice input device and information processing system
09/02/2014US8823115 Microphone unit and voice input device using same
08/2014
08/28/2014WO2014130681A1 Improved parametric transducer and related methods
08/28/2014US20140239768 Capacitive micromachined ultrasonic transducer (cmut) with through-substrate via (tsv) substrate plug
08/28/2014US20140239352 Cmos compatible silicon differential condenser microphone and method for manufacturing the same
08/26/2014US8818010 Microphone unit
08/26/2014US8818007 MEMS-type pressure pulse generator
08/26/2014US8818004 Condenser microphone
08/26/2014US8816453 MEMS component and a semiconductor component in a common housing having at least one access opening
08/21/2014US20140233779 Electrostatic Loudspeaker Capable of Dispersing Sound Both Horizontally and Vertically
08/21/2014US20140232236 Electrostatic Transducer
08/21/2014DE202014101489U1 Kondensatormikrofonkapselrückplatte Condenser microphone capsule back plate
08/20/2014EP2768241A1 Electrostatic parallel plate actuators whose moving elements are driven only by electrostatic force and methods useful in conjunction therewith
08/20/2014EP2768240A1 Sound input device
08/19/2014US8810724 Image-pickup apparatus
08/14/2014WO2014100573A3 Audio devices with electroactive polymer actuators noise cancellation
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