232033 ⎘
Electrostatic transducers characterised by the use of electrets for microphones
Dual base of an electret condenser microphone and electret condenser microphone using the same
#302Electret condenser microphone and manufacturing method thereof
#303Sound detecting mechanism
#304Method of manufacturing an accelerometer
#305Method of producing heat-resistant electrically charged resin material, electret condenser microphone using the heat-resistant electrically charged resin material, and method of producing the same
#306Cylindrical microphone having an electret assembly in the end cover
#307Electret-condenser microphone
#308Microphone apparatus
#309Hearing aid with large diaphragm microphone element including a printed circuit board
#310Active vibration attenuation for implantable microphone
#311Method of forming an electret condenser microphone
#312Condenser microphone and method for manufacturing the same
#313Capacitor microphone unit and capacitor microphone
#314Electrostatic induction conversion device
#315Condenser microphone and method of manufacturing substrate therefor
#316Microphone with internal damping
#317Condenser microphone unit
#318Electret condenser microphone
#319Totally implantable hearing system
#320High performance MEMS thin-film teflon electret microphone
#321Manufacturing method of acoustic sensor
#322Low acceleration sensitivity microphone
#323Passive vibration isolation of implanted microphone
#324Electret condenser microphone for noise isolation and electrostatic discharge protection
#325Miniature silicon condenser microphone
#326Parallelepiped condenser microphone
#327Capacitor sensor
#328Condenser microphone and method for making the same
#329Active vibration attenuation for implantable microphone
#330Capacitor microphone
#331High performance microphone and manufacturing method thereof
#332Electret capacitor microphone
#333Transducer for sensing body sounds
#334Electromechanical transducer element, method for forming an electromechanical transducer element and transducer formed by said method
#335Electret condenser microphone
#336Integrated base and electret condenser microphone using the same
#337Method of manufacturing a microphone
#338Electret capacitor microphone
#339Ultrasonic transducer
#340Variable voltage phantom power supply assembly and a method for customizing performance characteristics of a microphone
#341Method and apparatus of an acoustic energy detection circuit for a pulse density modulation microphone
#342Method and apparatus of a switched microphone interface circuit for voice energy detection
#343Top port multi-part surface mount silicon condenser microphone
#344Digital electret microphone and the connection structure thereof
#345Top port surface mount MEMS microphone
#346Methods of manufacture of bottom port surface mount MEMS microphones
#347Methods of manufacture of bottom port surface mount MEMS microphones
#348Bottom port surface mount MEMS microphone
#349Bottom port surface mount MEMS microphone
#350Top port surface mount MEMS microphone
#351Top port multi-part surface mount MEMS microphone
#352Methods of manufacture of bottom port multi-part surface mount MEMS microphones
#353Methods of manufacture of top port surface mount MEMS microphones
#354Bottom port multi-part surface mount MEMS microphone
#355Methods of manufacture of top port multi-part surface mount silicon condenser microphones