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