| Patents for H04R 19 - Electrostatic transducers (5,387) |
|---|
| 11/12/2008 | EP1990611A1 Electret capacitor type composite sensor |
| 11/12/2008 | EP1481569B1 Flexible diaphragm with integrated coil |
| 11/12/2008 | EP1283003B1 System consisting of a microphone and an amplifier |
| 11/12/2008 | CN201150132Y PCB flexible plate integrated encapsulation silicon microphone |
| 11/12/2008 | CN101304691A Ultrasonic probe and ultrasonic diagnosing apparatus |
| 11/06/2008 | WO2008134530A2 A capacitive microphone with integrated cavity |
| 11/06/2008 | US20080273736 Electrostatic microphone |
| 11/05/2008 | EP1987698A1 Condenser microphone |
| 11/05/2008 | CN201146600Y Directional silicon capacitor microphone with additional back tone chamber |
| 11/05/2008 | CN201146589Y Loudspeaker |
| 11/05/2008 | CN100430599C Device for generating a medium stream |
| 11/04/2008 | US7447326 Condenser microphone |
| 11/04/2008 | US7447323 Surface mountable transducer system |
| 10/30/2008 | WO2008022072A3 Hydrophone array module |
| 10/29/2008 | EP1254585A4 Miniature microphone |
| 10/29/2008 | CN201142759Y Loudspeaker |
| 10/29/2008 | CN201142758Y Full-shielding capacitor type miniature microphone |
| 10/29/2008 | CN201142746Y Loudspeaker |
| 10/29/2008 | CN101296531A Silicon capacitor microphone array |
| 10/29/2008 | CN101296530A Silicon capacitor microphone |
| 10/28/2008 | US7441321 Method of manufacturing ultrasound transducer device having acoustic backing |
| 10/23/2008 | WO2008062036A3 Board mounting of microphone transducer |
| 10/23/2008 | US20080260195 Flexible transmit voice tube |
| 10/23/2008 | US20080260194 Microphone sleeve |
| 10/23/2008 | US20080259725 Acoustic crosstalk reduction for capacitive micromachined ultrasonic transducers in immersion |
| 10/22/2008 | CN201138866Y Silicon microphone with improved structure |
| 10/22/2008 | CN201138865Y Microphone with silicon capacitor |
| 10/22/2008 | CN101291549A Condenser microphone |
| 10/15/2008 | CN201134931Y Uni-directional microphone |
| 10/15/2008 | CN201134930Y Uni-directional microphone |
| 10/15/2008 | CN101288337A 可编程麦克风 Programmable Microphone |
| 10/15/2008 | CN101287304A Deep sub-micron MOS preamplifier with thick-oxide input stage transistor |
| 10/14/2008 | US7434305 Method of manufacturing a microphone |
| 10/09/2008 | US20080247585 Electrical Module Comprising a Mems Microphone |
| 10/09/2008 | US20080247584 Electronic device with internal microphone array not parallel to side edges thereof |
| 10/08/2008 | EP1978778A1 Electronic device and sound reproducing method |
| 10/08/2008 | EP1192836A4 Microphone with range switching |
| 10/08/2008 | CN201131056Y Electrode connection structure of condenser microphone |
| 10/08/2008 | CN101282594A Encapsulation structure for Micro-electromechanical microphone with two-sided mounting-pasted electrode |
| 10/08/2008 | CN100425108C Method of mounting condenser microphone on main PCB and condenser microphone adapted for the same |
| 10/08/2008 | CN100425102C Condenser microphone employing wide band stop filter and having improved resistance to electrostatic discharge |
| 10/07/2008 | US7433484 Acoustic vibration sensor |
| 10/07/2008 | US7430915 Vibration sensor |
| 10/02/2008 | WO2008116828A1 Capacitive electroacoustic transducer and microphone |
| 10/02/2008 | US20080240485 Earphone integrated eartip |
| 10/01/2008 | EP1974585A2 Electrostatic loudspeaker systems and methods |
| 09/25/2008 | WO2008114489A1 Electret and electrostatic induction conversion device comprising the same |
| 09/25/2008 | WO2008089328A9 Microphone with pressure relief |
| 09/25/2008 | US20080232615 Condenser microphone chip |
| 09/25/2008 | DE102007014579A1 Microphone, has micro phone housing and micro phone capsule and electrical circuits are provided on printed circuit board for signal processing of signals recorded by micro phone capsule |
| 09/25/2008 | DE102007014577A1 Kapazitiver Aufnahmewandler und Mikrofon Capacitive input transducer and microphone |
| 09/24/2008 | EP1972178A1 Electrostatic loudspeakers |
| 09/24/2008 | EP1101389B1 Method for producing an integrated circuit comprising a cavity in a material layer and integrated circuit produced using said method |
| 09/24/2008 | CN201123131Y Sheet type exterior metallizing electret microphone |
| 09/24/2008 | CN201123130Y Sheet type internal coating electret microphone |
| 09/24/2008 | CN201123129Y Sheet type zero-altitude exterior metallizing electret microphone |
| 09/24/2008 | CN201123128Y Sheet type zero-altitude internal coating electret microphone |
| 09/24/2008 | CN201123127Y Compound back pole plate for capacitor type microphone |
| 09/24/2008 | CN101272637A Electret capacitor type microphone with integral vocal cavity component |
| 09/24/2008 | CN101272636A Capacitor type microphone chip |
| 09/23/2008 | CA2338374C Method of manufacturing a capacitive ultrasound transducer |
| 09/18/2008 | WO2008111011A2 Mems microphone |
| 09/18/2008 | CA2680226A1 Mems microphone |
| 09/17/2008 | EP1632105A4 Fabrication of silicon microphones |
| 09/17/2008 | CN201118978Y 驻极体麦克风 Electret microphone |
| 09/17/2008 | CN201118977Y 8-type pointing transmitter voice header |
| 09/17/2008 | CN101267689A Capacitor micro microphone chip |
| 09/12/2008 | WO2008109683A1 Small-footprint microphone module with signal processing functionality |
| 09/11/2008 | US20080219474 Microphone with voltage pump |
| 09/11/2008 | US20080217766 Acoustic transducer module |
| 09/10/2008 | CN201114766Y Miniature microphone |
| 09/10/2008 | CN201114765Y Electret microphone |
| 09/10/2008 | CN201114764Y Micro electret capacitance microphone |
| 09/10/2008 | CN201114763Y A silicon speaker |
| 09/10/2008 | CN201114762Y Silicon microphone with better sound effect |
| 09/10/2008 | CN201114761Y Dustproof silicon microphone |
| 09/04/2008 | WO2008105234A1 Capacitance variation detecting circuit and semiconductor device |
| 09/04/2008 | WO2008105180A1 Vibration pickup microphone |
| 09/04/2008 | US20080212409 Membrane For a Mems Condenser Microphone |
| 09/03/2008 | CN101257738A Sensitive silicon microphone with wide dynamic range |
| 09/03/2008 | CN101257737A Miniature capacitance type microphone |
| 09/03/2008 | CN101257736A Miniature capacitor type microphone |
| 08/28/2008 | WO2008102063A1 Acoustic actuator plate structure |
| 08/28/2008 | US20080205673 Electro Acoustic Transducer |
| 08/27/2008 | EP1962546A2 Sensitive silicon microphone with wide dynamic range |
| 08/27/2008 | CN101253805A No title available |
| 08/27/2008 | CN101253804A Speaker, image element protective screen, case of terminal, and terminal |
| 08/21/2008 | WO2008099641A1 Mems microphone device |
| 08/21/2008 | WO2008098988A1 Loudspeaker made from films |
| 08/21/2008 | DE102007007957A1 Lautsprecher aufgebaut aus Folien Speakers composed of films |
| 08/20/2008 | EP1959711A2 Microphone with dual transducers |
| 08/20/2008 | EP1958480A1 Micromechanical structure for receiving and/or generating acoustic signals, method for producing a micromechanical structure, and use of a micromechanical structure |
| 08/20/2008 | CN101247676A Semiconductor apparatus |
| 08/20/2008 | CN101247675A Microphone and its mounting structure |
| 08/14/2008 | US20080191585 Electroactive polymer electrodes |
| 08/13/2008 | EP1216602B1 Mems digital-to-acoustic transducer with error cancellation |
| 08/13/2008 | CN101242682A Condenser microphone |
| 08/13/2008 | CN101242681A Flexible capacitive ultrasonic transducer and method of fabricating the same |
| 08/12/2008 | US7411335 Sonic or ultrasonic transducer |
| 08/06/2008 | CN101238754A Ultrasonic transducer, ultrasonic probe and ultrasonic imaging device |