Patents for H03H 9 - Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators (20,116) |
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10/07/1998 | EP0733282B1 Double mode surface wave resonators |
10/07/1998 | CN1195231A Chip type piezoelectric filter |
10/07/1998 | CN1195229A Quartz crystal element and method for manufacturing same |
10/06/1998 | US5818310 Series-block and line-width weighted saw filter device |
10/06/1998 | US5818151 Heat resistance |
10/06/1998 | US5818146 Surface acoustic wave resonator filter apparatus |
10/06/1998 | US5818145 Surface acoustic wave device |
10/06/1998 | US5815900 Method of manufacturing a surface acoustic wave module |
09/29/1998 | US5815055 Matched filter with improved synchronous characteristics, and reception device and communication system using the same |
09/29/1998 | US5815054 Surface micromachined acoustic wave piezoelectric crystal with electrodes on raised ridges and in spaces therebetween |
09/29/1998 | US5815053 Ceramic filter vibrating in the thickness shear-slide mode with electrode spacings in the range of one to three substrate thicknesses |
09/29/1998 | US5815052 High-frequency composite components comprising first and second circuits connected in parallel for multi-frequency systems |
09/29/1998 | US5815035 Demodulating circuit, demodulating apparatus, demodulating method, and modulating/demodulating system of acoustic signals |
09/29/1998 | US5814918 Multilayer element for high frequency work |
09/29/1998 | US5814917 Surface acoustic wave equipment |
09/23/1998 | EP0866553A2 Surface-acoustic-wave device |
09/23/1998 | EP0866552A2 Surface-acoustic-wave device |
09/23/1998 | EP0866551A2 Surface acoustic wave element |
09/23/1998 | CN1194058A Electronic component and method of production thereof |
09/16/1998 | EP0865157A2 A bulk acoustic wave (BAW) filter |
09/16/1998 | EP0865156A2 Surface acoustic wave device comprising langasite single crystal substrate |
09/16/1998 | EP0688475B1 Component working with acoustic surface waves |
09/16/1998 | CN2291752Y Chip-type ceramic resonant device |
09/16/1998 | CN2291751Y Intermediate-frequency ceramic resonator |
09/16/1998 | CN1193220A Acoustic surface-wave device |
09/15/1998 | US5808524 Surface wave filter with a specified transducer impulse train that reduces diffraction |
09/15/1998 | US5808523 High frequency filter including both dielectric and surface acoustic wave resonators |
09/15/1998 | US5808522 Thickness shear vibration type double mode filter having a passively damped coupling capacitor |
09/15/1998 | US5808397 Piezoelectric resonance device |
09/09/1998 | EP0862813A1 Differential-driven surface acoustic wave transducer |
09/08/1998 | US5802685 Method for manufacturing surface wave devices of the end-face reflection type |
09/03/1998 | WO1998038736A1 Piezoelectric vibrator and method for manufacturing the same |
09/03/1998 | WO1998038667A1 Power transformer circuit with resonator |
09/02/1998 | EP0862266A2 Surface-acoustic-wave filters with poles of attenuation created by impedance circuits |
09/02/1998 | CN1192085A Energy-trapping thickness-shear resonator and electronic component using the same |
09/01/1998 | US5801603 Ladder-type filter comprising stacked piezoelectric resonators |
09/01/1998 | US5801476 Thickness mode acoustic wave resonator |
09/01/1998 | US5801474 Surface acoustic wave (SAW) device |
09/01/1998 | US5801069 Method of fabricating thin film piezoelectric device |
08/27/1998 | WO1998037635A1 Temperature insensitive silicon oscillator and precision voltage reference formed therefrom |
08/27/1998 | CA2282604A1 Temperature insensitive silicon oscillator and precision voltage reference formed therefrom |
08/26/1998 | EP0860943A2 Surface acoustic wave device |
08/25/1998 | US5798557 Packaged integrated circuit |
08/19/1998 | EP0859465A1 Surface mounting piezoelectric filter |
08/19/1998 | CN1190823A Surface acoustic filter with decay pole produced by impedance circuit |
08/18/1998 | US5796205 Surface acoustic wave device and method of producing the same |
08/13/1998 | DE19803791A1 Surface acoustic wave (SAW) component e.g. for mobile communications devices |
08/11/1998 | US5793266 Differential input and/or differential output, transversely-coupled surface acoustic wave filter |
08/11/1998 | US5793147 Surface wave resonator having single component including a plurality of resonant units |
08/11/1998 | US5793146 Surface acoustic wave transducer having selected reflectivity |
08/06/1998 | WO1998034345A1 Inline-coupled resonator with lattice filter and method |
08/05/1998 | EP0856944A2 Surface acoustic wave system |
08/05/1998 | EP0856191A1 Trimmable multi-terminal capacitor for a voltage controlled oscillator |
08/05/1998 | CN2287352Y Anti-shocking quartz resonator |
08/05/1998 | CN1189703A Terminal for piezoelectric device |
08/05/1998 | CN1189652A 环路滤波器和环路滤波方法 Loop filter and loop filtering method |
08/04/1998 | US5790000 Cascaded surface wave device filters providing balanced and unbalanced signal connections |
08/04/1998 | US5789845 Film bulk acoustic wave device |
08/04/1998 | US5789666 Resonant sensor for determining multiple physical values |
07/29/1998 | EP0855795A1 Piezoelectric vibration device |
07/29/1998 | EP0855451A1 Wiring film, sputter target for forming the wiring film and electronic component using the same |
07/28/1998 | US5786738 Surface acoustic wave filter duplexer comprising a multi-layer package and phase matching patterns |
07/23/1998 | WO1998031847A1 Crystal holder |
07/23/1998 | DE19758033A1 Piezoelectric thickness shear resonator |
07/23/1998 | DE19739495A1 Piezoelectric component for AM filter |
07/23/1998 | DE19739494A1 Piezoelectric element for AM-filter |
07/22/1998 | EP0854571A2 Surface acoustic wave filter |
07/22/1998 | CN1188345A Piezoelectric element and method of producing same |
07/22/1998 | CN1188344A Piezoelectric component and method of producing the same |
07/21/1998 | US5783973 Temperature insensitive silicon oscillator and precision voltage reference formed therefrom |
07/21/1998 | US5783896 Diamond-Zn0 surface acoustic wave device |
07/16/1998 | WO1998031095A1 Piezoelectric vibrator and manufacture thereof, and piezoelectric vibrator unit |
07/15/1998 | EP0853381A2 Surface acoustic wave filter |
07/15/1998 | EP0852846A1 Surface acoustic wave filter using the coupling of three acoustic channels |
07/14/1998 | US5781088 Lumped-constant resonator structure and method for adjusting it |
07/14/1998 | US5781083 Surface wave resonator having a plurality of resonance frequencies |
07/09/1998 | WO1998029943A1 Zero tcf thin film resonator |
07/09/1998 | WO1998029942A1 Saw device package and method |
07/07/1998 | US5777422 High frequency; audio devices |
07/07/1998 | US5777419 Surface acoustic wave device with minimized bulk scattering |
07/07/1998 | US5776246 Wide signel crystal; for semiconductors, surface acoustic lave devices |
07/07/1998 | US5774962 Process for producing a surface acoustic wave device |
07/02/1998 | DE19753664A1 Surface acoustic wave (SAW) resonator filter e.g. for cordless communications systems |
07/01/1998 | EP0850510A1 Weighted tapered spudt saw device |
07/01/1998 | CN1186381A Narrow transition band filter |
07/01/1998 | CN1038972C Piezo-electric element |
06/30/1998 | US5774028 Surface mount line filter with solder gas discharge paths in the core |
06/30/1998 | US5773917 Using a piezolelectric substrate made of aluminum and copper alloy |
06/30/1998 | US5773914 Piezoelectric resonator |
06/30/1998 | US5773912 Piezoelectric resonator including oscillation buffer materials |
06/30/1998 | US5773911 Surface acoustic wave device |
06/30/1998 | US5771555 Method for producing an electronic component using direct bonding |
06/25/1998 | WO1998027647A1 Surface wave device filters using resonant single phase unidirectional transducers |
06/25/1998 | WO1998015501A3 Systems and methods for characterization of materials and combinatorial libraries with mechanical oscillators |
06/24/1998 | EP0849578A1 Evacuatable package and a method of producing the same |
06/24/1998 | CN1185871A Surface acouctic wave device |
06/24/1998 | CN1185870A Method for etching photolithographically produced quartz crystal blanks for singulation |
06/23/1998 | US5770985 Surface acoustic wave filter |
06/23/1998 | US5770915 Terminal for a piezoelectric device |
06/23/1998 | CA2105258C Piezoelectric semiconductor and process for production thereof |