| Patents for H04R 17 - Piezo-electric transducers; Electrostrictive transducers (7,213) |
|---|
| 10/11/2001 | DE10111502A1 Manufacturing method for piezoelectric devices, involves providing several active piezoelectric layers or laminations to form laminated structure using glue or adhesive |
| 10/10/2001 | EP1142444A1 Passive microphone with wireless transmission |
| 10/04/2001 | US20010026626 Mechanical-to-acoustical transformer and multi-media flat film speaker |
| 10/04/2001 | US20010026625 Resonant panel-form loudspeaker |
| 10/04/2001 | US20010026111 Acoustic biosensor for monitoring physiological conditions in a body implantation site |
| 10/04/2001 | DE10013673A1 Electro-acoustic transducer, has at least one the electrodes positioned over the piezoelectric layer, at least in part as an elastic membrane- carrier-layer |
| 09/27/2001 | WO2001071648A2 Piezoelectric identification device and applications thereof |
| 09/27/2001 | WO2001070112A1 High output therapeutic ultrasound transducer |
| 09/27/2001 | WO2001031686A3 Impact-reinforced piezocomposite transducer array |
| 09/27/2001 | US20010024506 Speaker device |
| 09/27/2001 | US20010023523 Method of fabricating a micro-electro-mechanical fluid ejector |
| 09/26/2001 | EP1135063A1 Sound pickup sensor |
| 09/26/2001 | EP0835459B1 System and device for a self orienting device |
| 09/26/2001 | CN1314772A Lound speaker device |
| 09/25/2001 | US6295365 Acoustic sensor and electric stethoscope device incorporating the same therein |
| 09/20/2001 | WO2001068273A1 Unidirectional acoustic probe and method for making same |
| 09/13/2001 | WO2001067663A2 Dual bi-laminate polymer audio transducer |
| 09/13/2001 | WO2001028623A3 Split beam transducer |
| 09/13/2001 | WO2001001730A3 Microfabricated transducer and method for making the same |
| 09/13/2001 | US20010021809 Ultrasound probe |
| 09/12/2001 | EP1132978A1 Multilayer electronic part, its manufacturing method, two-dimensionally arrayed element packaging structure, and its manufacturing method |
| 09/12/2001 | CN1313020A Loudspeaker comprising resonant panel-form member |
| 09/11/2001 | US6288477 Composite ultrasonic transducer array operating in the K31 mode |
| 09/07/2001 | WO2001003108A3 Ultrasonic linear or curvilinear transducer and connection technique therefore |
| 09/06/2001 | US20010020131 Ultrasonic diagnosis system |
| 09/05/2001 | CN2446741Y Improved skin contact piezoelectric mic |
| 09/05/2001 | CN2446740Y Contact type piezoelectric pickup |
| 09/04/2001 | US6285770 Noticeboards incorporating loudspeakers |
| 09/04/2001 | US6285631 Slotted cylinder transducer with sealing boot and method of making same |
| 09/04/2001 | US6282963 Numerical optimization of ultrasound beam path |
| 08/30/2001 | US20010017924 Loudspeakers with panel-form acoustic radiating elements |
| 08/29/2001 | CN1310071A Piezoelectric sensor for welding parameter measurement |
| 08/28/2001 | US6280650 Piezoelectric ceramic composition, buzzer and actuator using the same |
| 08/28/2001 | US6279810 Piezoelectric sensor for measuring bonding parameters |
| 08/28/2001 | US6279399 Multi-dimensional transducer array apparatus |
| 08/23/2001 | US20010015000 Method of making a print head |
| 08/22/2001 | EP1125640A1 Droplet spraying device and method of manufacturing the spraying device |
| 08/21/2001 | US6278224 Ultrasonic transducer and method for manufacturing the same |
| 08/21/2001 | US6277299 High-sensitivity piezocomposite material and ultrasonic transducer made therefrom |
| 08/16/2001 | WO2001058601A1 Forward and side looking ultrasonic imaging |
| 08/16/2001 | WO2001058337A2 Method and apparatus combining diagnostic ultrasound with therapeutic ultrasound to enhance thrombolysis |
| 08/16/2001 | US20010013510 High density pixel array and laser micro-milling method for fabricating array |
| 08/16/2001 | EP1123634A1 Parametric loudspeaker with electro-acoustical diaphragm transducer |
| 08/16/2001 | EP1123544A2 Ultrasonic transducer having a tilted support, and method of manufacture |
| 08/16/2001 | CA2399410A1 Method and apparatus combining diagnostic ultrasound with therapeutic ultrasound to enhance thrombolysis |
| 08/16/2001 | CA2395631A1 Forward and side looking ultrasonic imaging |
| 08/15/2001 | CN2443571Y Skin contact piezoelectric microphone |
| 08/15/2001 | CN1308831A High power ultrasonic transducer |
| 08/14/2001 | US6275594 Piezoelectric acoustic device |
| 08/09/2001 | WO2001056474A1 Ultrasonic probe and ultrasonic diagnostic device comprising the same |
| 08/08/2001 | EP1100375A4 Ultrasonic transducer off-aperature connection |
| 08/08/2001 | CN1307791A Resonant panel-form loudspeaker |
| 08/07/2001 | US6272228 Method for making a sound transducer integrated into an acoustic signal generating card |
| 08/02/2001 | US20010010445 Method of making shaped piezoelectric composite transducer |
| 08/01/2001 | EP1120169A1 Ultrasound probe |
| 07/26/2001 | WO2001054450A2 Transducer in particularly for use in acoustic devices |
| 07/26/2001 | WO2001053009A1 Hex packed two dimensional ultrasonic transducer arrays |
| 07/26/2001 | WO2000054897A3 Low profile acoustic sensor array and sensors with pleated transmission lines and related methods |
| 07/26/2001 | CA2395022A1 New transducers limited |
| 07/25/2001 | EP1117982A1 System and method for monitoring pressure, flow and constriction parameters of plumbing and blood vessels |
| 07/24/2001 | US6266426 Visual display means incorporating loudspeakers |
| 07/24/2001 | US6264660 Surgical instrument for mechanical removal of bone cement, and process for production of shock waves |
| 07/24/2001 | US6263552 Method of producing piezoelectric/electrostrictive film-type element |
| 07/19/2001 | WO2001052400A1 Mechanical-to-acoustical transformer and multi-media flat film speaker |
| 07/18/2001 | CN1304275A Piezo-electric acoustical component and its making method |
| 07/17/2001 | US6261237 Thin film piezoelectric polymer sensor |
| 07/17/2001 | US6261224 Piezoelectric film transducer for cochlear prosthetic |
| 07/12/2001 | WO2001050810A1 Piezoelectric film sonic emitter |
| 07/12/2001 | WO2000078090A3 Bending wave acoustic device |
| 07/12/2001 | CA2396347A1 Piezoelectric film sonic emitter |
| 07/03/2001 | US6255761 Shaped piezoelectric composite transducer |
| 06/28/2001 | WO2001047318A2 Loudspeaker using an electro-active device |
| 06/28/2001 | WO2001047041A2 Electro-active devices |
| 06/28/2001 | WO2001046714A1 Ultrasonic horn assembly |
| 06/28/2001 | WO2001045550A2 Ultrasound transducers for imaging and therapy |
| 06/28/2001 | US20010005108 Inertial/audio unit and construction |
| 06/28/2001 | CA2394892A1 Ultrasound transducers for imaging and therapy |
| 06/28/2001 | CA2393607A1 Ultrasonic horn assembly |
| 06/26/2001 | US6251472 Method of depositing electrode material onto a piezoelectric substrate whereby the substrate is masked and the unmasked portions are cleaned by a plasma or ion beam prior to deposition |
| 06/21/2001 | US20010004180 Piezoelectric acoustic components and method of manufacturing the same |
| 06/20/2001 | EP1108345A1 Loudspeakers comprising a resonant panel-form member |
| 06/20/2001 | EP1107696A1 Thin film piezoelectric polymer sensor |
| 06/19/2001 | US6248947 Transducer for musical instruments |
| 06/19/2001 | US6248069 Ultrasound imaging system and method using a quantum well-device for enabling optical interconnections |
| 06/13/2001 | EP1106975A2 Ultrasonic flowmeter and gas flowmeter using the same |
| 06/12/2001 | US6246158 Microfabricated transducers formed over other circuit components on an integrated circuit chip and methods for making the same |
| 06/07/2001 | WO2001041501A1 Diaphragm of piezoelectric sound generator, and method of manufacture thereof |
| 06/07/2001 | WO2001039898A1 Composite ultrasonic transducer array operating in the k31 mode |
| 06/05/2001 | US6243475 Speaker |
| 06/05/2001 | US6243473 Laptop computer with loudspeaker(s) |
| 06/05/2001 | US6243114 Ink jet head providing improved printing resolution and printing speed |
| 05/31/2001 | WO2001039544A1 Electromechanic film and acoustic element |
| 05/30/2001 | EP1103222A2 Ultrasonic probe |
| 05/30/2001 | CN1297322A Combined electret pick-up with high noise resistance |
| 05/29/2001 | US6239724 System and method for telemetrically providing intrabody spatial position |
| 05/29/2001 | US6238481 Adhering piezoelectric perovskite single crystal on a backing material, dicing the single crystal into an arrayed transducer, poling the transducer in an electric field |
| 05/29/2001 | US6237398 System and method for monitoring pressure, flow and constriction parameters of plumbing and blood vessels |
| 05/25/2001 | WO2001037610A1 Anti-noise pickup |
| 05/25/2001 | WO2001008448A3 Piezoelectric acoustic alarm |
| 05/25/2001 | CA2391391A1 Anti-noise pickup |