| Patents for H03H 9 - Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators (20,116) |
|---|
| 10/26/1994 | EP0571365B1 Surface-wave reflector-filter |
| 10/25/1994 | US5359494 Mounting structure of piezoelectric element |
| 10/25/1994 | US5359250 Bulk wave transponder |
| 10/25/1994 | US5358877 Minimizing detrimental effect on electrical characteristics of semiconductor layer |
| 10/25/1994 | US5357662 Method of manufacturing chip-type piezoelectric-resonator |
| 10/20/1994 | DE4412963A1 Resonator mit Breiten-Dehnungsmode Resonator with width expansion mode |
| 10/19/1994 | EP0620640A1 Piezoelectric filter |
| 10/19/1994 | EP0619906A1 Passive surface wave sensor which can be wirelessly interrogated. |
| 10/18/1994 | US5357228 Surface acoustic wave filter having channels which are offset |
| 10/18/1994 | US5355568 Method of making a surface acoustic wave device |
| 10/11/1994 | US5353621 Piezoelectric component mounting foil and foil-making method |
| 10/06/1994 | DE4410469A1 Montagesystem zum Zusammenbau eines Produkts, das eine Mehrzahl von Teilen umfaßt Mounting system for assembling a product comprising a plurality of portions |
| 10/05/1994 | EP0618446A1 Method and device for separating acoustic wave-generated energy from directly coupled electromagnetic interference |
| 10/04/1994 | US5353304 Surface acoustic wave device, and demodulating apparatus and communication system using the surface acoustic wave device |
| 09/29/1994 | WO1994022217A1 Distributed acoustic reflection surface wave transducer and filter comprising same |
| 09/28/1994 | EP0617510A1 Surface acoustic wave element for coupling surface acoustic wave with waveguide at high efficiency, method for designing it, and signal receiver and communication system using it |
| 09/28/1994 | EP0617378A1 Surface acoustic wave element resolving variations in properties in connection with matching circuit, signal receiver using it, and communication system using it |
| 09/28/1994 | CN1092918A Ultrasonic touch system |
| 09/27/1994 | US5351022 Surface acoustic wave reflector filter |
| 09/27/1994 | US5351021 Ladder-type piezoelectric filter |
| 09/27/1994 | US5350965 Piezoelectric resonator |
| 09/27/1994 | US5350963 Holder for quartz resonator disks and process for the production of such holders |
| 09/27/1994 | US5350961 Acoustic wave devices for controlling high frequency signals |
| 09/27/1994 | US5349855 Inertial rate sensor |
| 09/21/1994 | EP0616426A1 Surface acoustic wave device having a lamination structure |
| 09/21/1994 | EP0616047A1 Polycrystalline diamond substrate and process for producing the same |
| 09/21/1994 | CN1092569A A multi-bandwidth saw filter |
| 09/20/1994 | US5349260 Two track surface wave arrangement with improved selection property |
| 09/20/1994 | CA2038474C Surface-acoustic-waver filter having a plurality of electrodes |
| 09/20/1994 | CA2014675C Surface acoustic wave device |
| 09/15/1994 | WO1994021040A1 Component working with acoustic surface waves |
| 09/15/1994 | CA2157920A1 Component working with surface acoustic waves |
| 09/08/1994 | DE4306512A1 Filter circuit having a resonator operated in series resonance |
| 09/07/1994 | EP0614273A1 Filtering circuit with a resonator in series resonance |
| 09/07/1994 | EP0614272A1 Surface acoustic wave resonator filter |
| 09/07/1994 | EP0614271A1 Piezoelectric crystal element |
| 09/07/1994 | EP0614242A1 Electrical filter |
| 09/07/1994 | EP0614241A1 Electrical filter |
| 09/06/1994 | US5345201 Saw device and method of manufacture |
| 09/06/1994 | US5345136 Composite type piezoelectric component |
| 09/06/1994 | US5345135 Interdigital transducer for use in a surface acoustic wave filter |
| 09/06/1994 | US5344745 Preventing short circuits |
| 09/04/1994 | CA2116375A1 Radio frequency filter |
| 09/04/1994 | CA2116366A1 Filter |
| 08/30/1994 | US5343175 Mechanically tuned SAW device and method of tuning same |
| 08/30/1994 | US5343107 Surface acoustic wave element and method of manufacturing the same |
| 08/30/1994 | US5341550 Method of manufacturing a piezoelectric tuning fork resonator |
| 08/25/1994 | DE4305184A1 Device for receiving a normal-time transmitter for an extended temperature range |
| 08/24/1994 | EP0612146A2 Conjugately matched acoustic wave transducers and method |
| 08/16/1994 | US5339051 Micro-machined resonator oscillator |
| 08/11/1994 | DE4403949A1 Stuctural component with piezoelectric resonance |
| 08/10/1994 | EP0609555A2 Frequency selective component and method |
| 08/09/1994 | US5337026 SAW device and method of manufacturing |
| 08/09/1994 | US5336957 Surface acoustic wave convolver |
| 08/03/1994 | EP0609062A1 Mass simultaneous sealing and electrical connection of electronic devices |
| 08/03/1994 | EP0608864A2 Surface acoustic wave device and method for manufacturing the same |
| 08/03/1994 | EP0608827A2 A piezoelectric device and a package |
| 08/03/1994 | EP0608249A1 Surface wave filter having a folded acoustic path. |
| 08/02/1994 | US5334960 Conjugately matched acoustic wave transducers and method |
| 08/02/1994 | US5334900 Torsional quartz crystal resonator |
| 08/02/1994 | CA2061282C Acoustic vibrator with variable sensitivity to external acceleration |
| 07/28/1994 | DE4302171A1 Surface acoustic wave component mfr. with chip and support |
| 07/27/1994 | EP0608059A2 Zinc oxide piezoelectric crystal film |
| 07/26/1994 | US5332983 Filterbank using surface acoustic wave technology |
| 07/26/1994 | US5332982 Ladder-type electric filter device |
| 07/21/1994 | WO1994016498A1 A multi-bandwidth saw filter |
| 07/19/1994 | US5331247 Surface acoustic wave device and communication device using the same |
| 07/19/1994 | US5331242 Vibrating tine resonators and methods for torsional and normal dynamic vibrating mode |
| 07/13/1994 | EP0605884A1 IIDT type surface acoustic wave device |
| 07/12/1994 | US5329208 Surface acoustic wave device and method for producing the same |
| 07/12/1994 | US5327626 Method for processing robust acoustic reflectors |
| 07/12/1994 | CA2025758C Single-block filter for antenna duplexing and antenna-switched diversity |
| 07/05/1994 | US5327039 Weighting transducer for surface acoustic wave filter |
| 07/05/1994 | US5325574 Method of forming a quartz oscillator temperature sensor |
| 07/05/1994 | US5325573 Method of fabricating a saw device |
| 06/28/1994 | US5324976 Phonon controlled conductivity device |
| 06/27/1994 | EP0623259A4 An integrated circuit including a surface acoustic wave transformer and a balanced mixer. |
| 06/23/1994 | WO1994014240A1 Microelectromechanical signal processors |
| 06/23/1994 | WO1994014176A1 Q-controlled microresonators and tunable electronic filters using such resonators |
| 06/22/1994 | EP0602666A1 Surface acoustic wave device with interdigital transducers formed on a holding substrate thereof and a method of producing the same |
| 06/22/1994 | EP0602660A2 Surface acoustic wave device and communication system using it |
| 06/22/1994 | EP0526589B1 Surface wave low loss filter |
| 06/21/1994 | US5323083 Crystal resonator having reduced acceleration sensitivity |
| 06/21/1994 | US5323081 Surface acoustic wave device clamped within housing |
| 06/14/1994 | US5321331 Double-sided fluid sensor for reduced attenuation of shear transverse waves |
| 06/14/1994 | US5320977 Growing multilayer of aluminum gallium arsenide and gallium arsenide on a substrate, etching |
| 06/14/1994 | US5320865 Method of manufacturing a surface acoustic wave device |
| 06/09/1994 | DE4341179A1 Surface acoustic wave oscillator - has resonator with good reflectors and interdigital converters on piezoelectric substrate, oscillators and frequency multiplier |
| 06/08/1994 | EP0600705A1 Surface acoustic wave filter and mobile communication system using same |
| 06/07/1994 | US5319525 Circuit assembly |
| 06/07/1994 | US5319327 IF crystal filter having a selectively adjustable frequency response |
| 06/07/1994 | US5319326 Surface-wave-type reflective delay line |
| 06/07/1994 | US5317792 Method of manufacturing piezoelectric resonator |
| 06/01/1994 | EP0599475A1 Surface acoustic wave device for generating an output signal with only a symmetric or only an asymmetric vibration mode acoustic wave |
| 05/31/1994 | US5315874 Monolithic quartz resonator accelerometer |
| 05/24/1994 | US5314577 At-cut crystal oscillating reed and method of etching the same |
| 05/17/1994 | US5313178 Saw filter using difference finger weighting |
| 05/17/1994 | US5313177 Method and apparatus for an acoustic wave filter |
| 05/17/1994 | US5313122 Capacity ground type filter circuit |
| 05/11/1994 | EP0596522A1 High frequency crystal resonator |