| Patents for H04R 17 - Piezo-electric transducers; Electrostrictive transducers (7,213) |
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| 06/28/2007 | US20070146980 Printed circuit board including embedded capacitor having high dielectric constant and method of fabricating same |
| 06/28/2007 | US20070143977 Powder compaction press for capacitor anodes |
| 06/28/2007 | DE102006002114A1 Mikromechanisches Sensorelement The micromechanical sensor element |
| 06/27/2007 | CN1988736A Ultrasonic sensor |
| 06/27/2007 | CN1988376A Surface mounting devicetype resonators having a cap mean using an isolating ceramic substrate plate and methods of forming the same |
| 06/26/2007 | US7236440 Optical recording medium |
| 06/26/2007 | US7234214 Methods for making thick film elements |
| 06/21/2007 | WO2007069609A1 Ultrasonic transducer |
| 06/21/2007 | WO2007033869A3 Ultrasonic sensor |
| 06/21/2007 | US20070139859 Thin film capacitor, high-density packaging substrate incorporating thin film capacitor, and method for manufacturing thin-film capacitor |
| 06/20/2007 | CN2914546Y Piezoelectric loudspeaker |
| 06/20/2007 | CN1322588C Electro-acoustic transducer and its mfg. method, and electro-acoustic transducing using same |
| 06/19/2007 | US7233674 Integrated base and electret condenser microphone using the same |
| 06/19/2007 | US7233094 Piezoelectric device comprising ultrahighly-oriented aluminum nitride thin film and its manufacturing method |
| 06/14/2007 | WO2007066262A1 Piezoelectric speaker |
| 06/14/2007 | US20070133353 Pressure control apparatus and rotation drive mechanism |
| 06/14/2007 | US20070130740 Piezoelectric actuator, method of manufacturing liquid ejection head, liquid ejection head and image forming apparatus |
| 06/14/2007 | US20070130739 Method for fabricating piezoelectric element |
| 06/12/2007 | US7229160 Liquid delivering apparatus and method of producing the same |
| 06/12/2007 | US7228606 Method for producing a piezoelectric transducer |
| 06/12/2007 | CA2229998C Acoustic device |
| 06/07/2007 | US20070124903 Method of producing laminate-type piezoelectric element |
| 06/06/2007 | DE102006055168A1 Hinderniserfassungsvorrichtung The obstacle detection system |
| 06/06/2007 | CN1319491C Multilevel Transmitter and transmitting method therefor |
| 06/05/2007 | US7227967 Piezoelectric transducer adapted to bridge of stringed instrument |
| 06/05/2007 | US7227966 Piezo-electric speaker |
| 06/05/2007 | US7226417 High resolution intravascular ultrasound transducer assembly having a flexible substrate |
| 06/05/2007 | US7225514 Production method of stacked piezoelectric element |
| 06/05/2007 | US7225513 Method for preventing operational and manufacturing imperfections in piezoelectric micro-actuators |
| 05/31/2007 | WO2007060768A1 Electroacoustic transducer |
| 05/31/2007 | WO2007005036A3 Switching circuitry for reconfigurable arrays of sensor elements |
| 05/31/2007 | US20070121984 Multi-functional earphone cum microphone |
| 05/31/2007 | DE102004016196B4 Vorrichtung und Verfahren zum intermittierenden Antrieb und Analyse eines elektromechanischen Systems Apparatus and method for intermittent drive and analysis of an electromechanical system |
| 05/30/2007 | CN1971307A Obstacle detection device |
| 05/30/2007 | CN1319020C Coordinate input device with vibrating function |
| 05/29/2007 | US7224813 Loudspeaker using an electro-active device |
| 05/24/2007 | WO2007058281A1 Transmitter/receiver |
| 05/24/2007 | US20070116315 Earset microphone |
| 05/24/2007 | US20070116314 Facemask-earpiece combination |
| 05/23/2007 | CN1969591A Piezoelectric inertial transducer |
| 05/23/2007 | CN1968656A Ultrasonic curing device |
| 05/18/2007 | WO2007054919A1 Asymmetrical moving system for a piezoelectric speaker and asymmetrical speaker |
| 05/17/2007 | US20070108876 Piezoelectric device |
| 05/17/2007 | US20070107177 Surface acoustic wave device and method of producing the same |
| 05/16/2007 | CN1965609A Ultrasonic transducer and ultrasonic speaker using the same |
| 05/16/2007 | CN1965607A Ceramic type loudspeaker |
| 05/16/2007 | CN1964581A A silicon micro piezoelectric sensor chip with split series electrode and its manufacture method |
| 05/15/2007 | US7218744 Piezo-electric speaker |
| 05/15/2007 | US7218742 Condenser microphone assembly |
| 05/15/2007 | US7218040 Handheld device having ultrasonic transducer for axial transmission of acoustic signals |
| 05/15/2007 | US7216406 Method forming split thin film capacitors with multiple voltages |
| 05/10/2007 | WO2007052835A1 Speaker, image element protective screen, case of terminal, and terminal |
| 05/10/2007 | WO2005044440A3 Ultrasonic apparatus with multiple frequency transducers |
| 05/10/2007 | US20070104339 Electret condenser microphone |
| 05/10/2007 | DE202007001637U1 Ultraschallwandler Ultrasonic transducer |
| 05/10/2007 | DE10350090B4 Ultraschallwellengerät Ultrasonic device |
| 05/09/2007 | EP1535350A4 Low acceleration sensitivity mounting structures for crystal resonators |
| 05/09/2007 | EP1366489A4 Floor mat with voice-responsive display |
| 05/09/2007 | CN1957851A 超声波探头和超声波诊断装置 An ultrasonic probe and ultrasonic diagnostic apparatus |
| 05/08/2007 | US7215527 MEMS digital-to-acoustic transducer with error cancellation |
| 05/08/2007 | US7213314 Method of forming a surface acoustic wave (SAW) filter device |
| 05/08/2007 | CA2421318C Electromechanical transducer |
| 05/03/2007 | WO2007049842A1 Medium/low band sound reinforcement film-type audio-speaker using piezoelectric film as vibration element |
| 05/03/2007 | US20070094864 RF MEMS switch and fabrication method thereof |
| 05/03/2007 | US20070094856 Piezoelectric element and method of manufacturing the same |
| 05/02/2007 | CN1956604A Bone-conduction microphone and method of manufacturing the same |
| 05/02/2007 | CN1956603A Thin film speaker using piezoelectricity thin film as vibration component |
| 05/01/2007 | US7211044 Method for mapping temperature rise using pulse-echo ultrasound |
| 04/26/2007 | DE102005042596A1 Ultraschallschwingungswandler Ultrasonic vibration transducer |
| 04/24/2007 | US7207940 Ultrasonic probe and ultrasonic transmitting and receiving apparatus using the same |
| 04/24/2007 | US7207222 Electromagnetic piezoelectric acoustic sensor |
| 04/19/2007 | US20070086616 Resonant element transducer |
| 04/19/2007 | US20070084034 Piezoelectric actuator and method for manufacturing piezoelectric actuator |
| 04/19/2007 | US20070084033 Method of manufacturing actuator device and liquid-jet apparatus |
| 04/19/2007 | DE102006035607A1 Sensorbefestigungsstruktur und Ultraschallfühler Sensor mounting structure and ultrasonic sensors |
| 04/18/2007 | EP1374635A4 Bone conduction hearing aid |
| 04/18/2007 | EP1098719B1 Method of manufacturing a capacitive ultrasound transducer |
| 04/18/2007 | CN1949937A Sensor attachment structure and ultrasonic sensing device |
| 04/11/2007 | EP1773097A2 Acoustic actuators |
| 04/11/2007 | CN1946248A Electrostatic ultrasonic energy exchanger and ultrasonic loudhailer |
| 04/10/2007 | US7200907 Method of manufacturing piezoelectric device |
| 04/05/2007 | WO2005099306A3 Low acceleration sensitivity microphone |
| 04/05/2007 | DE20122677U1 Piezoelektrischer Biegewandler Piezoelectric bending transducer |
| 04/05/2007 | DE10245211B4 Ultraschallsonde für Ultraschall-Untersuchungssystem Ultrasonic probe for ultrasonic inspection system |
| 04/05/2007 | DE102005046173A1 Ultrasound transducer used as a parking aid comprises a U-shaped pot with a hollow cylindrical wall and an end on the front side forming the transducer face and an electromechanical transducer arranged on the inner side |
| 04/05/2007 | DE102005044880A1 Ultrasound converter for high and/or low temperatures e.g., measuring spacing and liquid levels in containers, has converter element positioned movably in housing for expansion and contraction normal to radiation direction |
| 04/04/2007 | EP1769854A1 Ultrasonic transducer |
| 04/04/2007 | CN2886967Y Cofired multilayer piezoelectric ceramic buzzer chip |
| 04/04/2007 | CN1942020A Electrostatic ultrasonic transducer and design method thereof, and ultrasonic speaker |
| 04/03/2007 | US7199509 Multilayered structure and method of manufacturing the same, and ultrasonic transducer |
| 04/03/2007 | US7197799 Method for manufacturing a piezoelectric device |
| 04/03/2007 | US7197798 Method of fabricating a composite apparatus |
| 03/29/2007 | US20070070816 Sonic instrumentation apparatus and method for cement bond logging |
| 03/29/2007 | DE102006041435A1 Paneelartiger Lautsprecher und Erreger hierfür Paneelartiger speakers and agents thereof |
| 03/29/2007 | DE102005045306A1 Verfahren zur Herstellung eines Ultraschallsensors sowie Ultraschallsensor A method of fabricating an ultrasonic sensor and ultrasonic sensor |
| 03/29/2007 | DE10041905B4 Piezoelektrische Keramikzusammensetzung, Verfahren zur Herstellung einer piezoelektrischen Keramik sowie Verwendung einer solchen piezoelektrischen Keramikzusammensetzung für einen piezoelektrischen Resonator, einen piezoelektrischen Wandler und einen piezoelektrischen Aktuator The piezoelectric ceramic composition, method of making a piezoelectric ceramic as well as use of such a piezoelectric ceramic composition for a piezoelectric resonator, a piezoelectric transducer and a piezoelectric actuator |
| 03/28/2007 | EP1766383A1 Thin film aluminium nitride ultrasound transducers integrated on the test components |
| 03/28/2007 | CN1936618A 超声传感器安装结构 Ultrasonic sensor mounting structure |
| 03/27/2007 | US7196971 Method and apparatus for damping an ultrasonic transducer suitable for time of flight ranging and level measurement systems |
| 03/27/2007 | US7195581 Power transmission device having a torque converter with a lockup clutch and lockup control method for torque converter |