Patents
Sitemap › H03 - Basic electronic circuitry › H03H - Impedance networks, e.g. resonant circuits; Resonators › H03H 9 - Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
Patents for H03H 9 - Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators (20,116)
06/1999
06/08/1999US5910779 Radio scanning system using acoustical surface waves (SW radio scanning system)
06/08/1999US5910756 Filters and duplexers utilizing thin film stacked crystal filter structures and thin film bulk acoustic wave resonators
06/08/1999US5910699 Method of manufacturing a composite substrate and a piezoelectric device using the substrate
06/02/1999EP0920129A1 Elastic boundary wave device and method of its manufacture
06/02/1999DE19852300A1 Resonator type surface-acoustic-wave filter e.g. for mobile telephone
06/02/1999CN1218586A Communication system comprising at least two filter branches
06/01/1999US5909461 Spread spectrum communication apparatus and demodulator surface acoustic wave element and surface acoustic wave parts for spread spectrum communication
06/01/1999US5909158 Surface acoustic wave resonator filter with longitudinally coupled resonators having specific resonance frequency placements
06/01/1999US5909157 Surface acoustic wave filter device and transducer therefor having unidirectional and bidirectional structures
06/01/1999US5909156 Surface acoustic wave device with multilayer electrodes and method for manufacturing the same
05/1999
05/27/1999DE19853484A1 HF switching module, e.g. duplexer, for mobile communications
05/27/1999DE19849952A1 Electronic component, e.g. piezoelectric resonator
05/26/1999EP0918394A2 Unidirectional surface acoustic wave transducer and transversal-type saw filter having the same
05/26/1999EP0917760A1 Component with surface acoustic waves eliminating pyroelectric interface
05/26/1999EP0879413B1 Surface wave liquid sensor
05/26/1999CN1217608A Electronic component
05/26/1999CN1217583A Piezoelectric element
05/19/1999EP0917287A2 Composite filter and radio communication apparatus using the filter
05/19/1999CN1216870A Piezoelectric resonator and electronic component
05/18/1999US5905449 Radio switching apparatus
05/18/1999US5905418 Surface-acoustic-wave filters with poles of attenuation created by impedance circuits
05/18/1999US5905325 Optimal cut for saw devices on langanite
05/18/1999US5905324 Surface acoustic wave device and communication device employing the surface acoustic wave device
05/14/1999WO1999023757A1 Acoustic wave ladder filter with effectively increased coupling coefficient and method of providing same
05/12/1999EP0915564A1 Surface acoustic wave matched filter
05/12/1999CN1216415A Surface acoustic wave device
05/11/1999US5903820 Radio communications transceiver with integrated filter, antenna switch, directional coupler and active components
05/11/1999US5903087 Electrode edge wave patterns for piezoelectric resonator
05/06/1999EP0913935A1 Surface acoustic wave functional device
05/06/1999EP0686310B1 A method of compliantly mounting a piezoelectric device
05/05/1999CN1043279C Electric filter
05/04/1999US5900790 Piezoelectric resonator, manufacturing method therefor, and electronic component using the piezoelectric resonator
05/04/1999US5900286 Method of producing an attenuating structure on a surface wave component
04/1999
04/29/1999WO1999021275A1 Piezoelectric ceramic resonator and fabrication method thereof
04/28/1999EP0911966A2 Composite filter and radio equipment using the same
04/28/1999EP0911965A2 Complex electronic component
04/28/1999EP0805984A4 Coupled resonator vibratory rate sensor
04/28/1999CN1215253A Surface sound wave filter
04/28/1999CN1215252A Sound surface wave device
04/28/1999CN1215233A Antenna diplexer
04/27/1999US5898348 Piezoelectric resonator having specific lead line arrangements and method of manufacturing same
04/27/1999US5898256 Container for enclosing a piezo-electric transducer
04/27/1999US5896636 Method for providing a piezoelectric substrate and surface acoustic wave device with reduced bulk acoustic wave scattering
04/21/1999EP0910132A2 Auto-acceleration system for prime mover of hydraulic construction machine and construction machine and control system for prime mover and hydraulic pump
04/21/1999EP0909480A1 Substrate for surface acoustic wave devices
04/21/1999CN1043104C 声表面波滤波器 SAW filters
04/20/1999US5896275 Ground and shield for a surface acoustic wave filter package
04/20/1999US5896072 Surface acoustic wave filter having a weighted reflector with spaced finger groups
04/20/1999US5896071 Surface wave device balun resonator filters
04/20/1999US5896000 Mounting for reducing vibration-induced side bands
04/20/1999US5895996 Saw device
04/20/1999US5894647 Method for fabricating piezoelectric resonators and product
04/15/1999WO1999018431A1 Method and apparatus for characterizing materials by using a mechanical resonator
04/15/1999WO1999003194A9 Thermostatically controlled quartz generator
04/14/1999EP0909026A2 Acoustical filter, especially surface wave filter
04/14/1999EP0909025A2 Diamond wafer, method of estimating a diamond wafer and diamond surface acoustic wave device
04/14/1999CN1213896A Electronic component and ladder filter
04/14/1999CN1213895A Piezoelectric resonator, method for adjusting frequency of piezoelectric resonator and communication apparatus
04/14/1999CN1213894A Piezoelectric resonator, method for adjusting frequency of piezoelectric resonator and communication apparatus
04/14/1999CN1213893A Piezoelectric resonator and electronic component using the same
04/14/1999CN1213892A Electronic component and ladder filter
04/14/1999CN1213891A Piezoelectric component
04/14/1999CN1213890A Electronic component, ladder filter and communication apparatus
04/13/1999US5894251 High frequency filter having saw and dielectric filters with different frequency temperature characteristic signs
04/07/1999EP0907249A2 Piezoelectric component
04/07/1999EP0907248A2 Electronic component, ladder filter and communication apparatus
04/07/1999EP0907247A2 Electronic component and ladder filter
04/07/1999EP0907246A2 Piezoelectric resonator, method for adjusting frequency of the piezoelectric resonator and communication apparatus
04/07/1999EP0907245A2 Piezoelectric resonator, method for adjusting frequency of the piezoelectric resonator and communication apparatus
04/07/1999EP0907244A2 Piezoelectric resonator and electronic component using the same resonator
04/07/1999EP0907243A2 Electronic component and ladder filter
04/07/1999EP0907242A2 Piezoelectric Component
04/07/1999EP0907241A2 Piezoelectric resonator and electronic component using the same
04/07/1999EP0907240A2 Method of manufacturing piezoelectric resonator
04/07/1999EP0907212A1 Ceramic element, method of manufacturing ceramic element, display, relay device, and capacitor
04/07/1999CN1213467A Piezoelectric vibrator and manufacture thereof, and piezoelectric vibrator unit
04/07/1999CN1213466A Surface acoustic wave element and portable telephone set using the same
04/06/1999US5892418 Balanced type surface acoustic wave device
04/06/1999US5892417 Saw device package and method
04/06/1999US5892416 Piezoelectric resonator and electronic component containing same
04/06/1999US5891557 Multilayer; high and low electrical resistance
04/06/1999US5891519 Multilayer; low and high electrical resistance layers
04/01/1999WO1999016168A1 Surface acoustic wave apparatus and method of production thereof
04/01/1999WO1999016167A1 Unidirectional surface acoustic wave filter
03/1999
03/31/1999EP0796488B1 Surface wave component and method of producing an attenuating structure therefor
03/31/1999CN1212504A Surface acoustic wave device having langasite single crystal substrate
03/31/1999CN1212503A Noise-cut filter for power converter
03/30/1999US5889446 Surface acoustic wave device with a resistor thin film to remove pyroelectric effect charges
03/30/1999US5889357 Piezoelectric oscillation device and surface acoustic wave device
03/30/1999US5888646 Surface acoustic wave device
03/30/1999US5887480 Piezoelectric vibratory gyroscope utilizing an energy-trapping vibration mode
03/24/1999EP0903851A1 Surface acoustic wave element
03/24/1999CN1211857A Thickness extentional vibration mode piezoelectric resonator
03/23/1999US5886457 Two different adhesives having different glass transition points
03/23/1999US5884378 Method of making an enhanced quality factor resonator
03/18/1999WO1999013571A1 Shielded surface acoustical wave package
03/18/1999DE19840515A1 Piezoelectric element for use in oscillator and filter oscillating in longitudinal mode
03/17/1999CN1211107A Piezoelectric filter
03/17/1999CN1211106A Piezoelectric element and electronic component including same
03/17/1999CN1211105A Piezoelectric vibration device
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