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)
08/1999
08/18/1999EP0936735A2 Surface acoustic wave filter
08/18/1999EP0936734A1 Surface acoustic wave device and method of producing the same
08/18/1999EP0936733A2 Surface acoustic wave device
08/18/1999EP0935848A1 Surface acoustic wave filters
08/17/1999US5939957 6-elements ladder type piezoelectric filter
08/17/1999US5939956 Multiple-mode piezoelectric filter with acoustic and electromagnetic separation between stages
08/17/1999US5939819 Electronic component and ladder filter
08/17/1999US5939817 Surface acoustic wave device
08/17/1999US5939815 Field trapping electrodes
08/17/1999US5939784 For an electronic device
08/12/1999WO1999040678A1 Filter with surface acoustic wave resonators
08/12/1999CA2319690A1 Filter with surface acoustic wave resonators
08/11/1999EP0935341A2 Surface acoustic wave device
08/11/1999EP0934515A1 Infrared spectroscopy and imaging of libraries
08/11/1999CN1225760A Elastic Boundary wave device and method for mfg. same
08/10/1999US5936488 Surface acoustic wave filter having input and output transducers with different aperture lengths
08/10/1999US5936487 Differential input/output surface acoustic wave device with proximity coupling
08/10/1999US5936486 Active filter with surface acoustic wave resonator filter having multiple resonant modes
08/10/1999US5936483 Surface acoustic wave device with two filters each having capacitive impedance in the other's passband
08/10/1999US5936329 Surface acoustic wave device, substrate therefor, and method of manufacturing the substrate
08/03/1999US5933198 Comb filter arrangement
08/03/1999US5933062 Acoustic wave ladder filter with effectively increased coupling coefficient and method of providing same
08/03/1999US5933061 Chip-type piezoelectric filter and filter circuit using such piezoelectric filter
08/03/1999US5932951 Piezoelectric resonator and electronic component containing same
08/03/1999US5932950 Surface acoustic wave filter
07/1999
07/28/1999EP0932255A2 MCM with high Q overlapping resonator
07/28/1999CN1224248A Method of manufacturing piezoelectric resonator
07/27/1999US5929724 Low loss saw filters with non-sequential coupling and method of operation thereof
07/27/1999US5929555 Piezoelectric resonator and method for fabricating the same
07/27/1999US5929553 Piezoelectric transformer
07/27/1999US5928598 Acoustic wave frequency selection components.
07/22/1999WO1999037023A1 Thin film pietoelectric element
07/22/1999WO1999037022A1 Reflection inversion surface acoustic wave transducer and filter
07/22/1999DE19841681A1 Electrode for a dielectric thin film component especially an ultrasonic wave oscillator
07/21/1999EP0930703A2 Surface acoustic wave filter having improved frequency characteristic
07/21/1999EP0930702A2 Orientational material and surface acoustic wave device
07/21/1999EP0930701A2 Laminated filter
07/21/1999EP0930659A2 A package for an electrical device
07/20/1999US5925974 Piezoelectric component
07/20/1999US5925973 Electronic component and method for producing the same
07/20/1999US5925971 Piezoelectric resonator and electronic component containing same
07/20/1999US5925970 Piezoelectric resonator and electronic component containing same
07/20/1999US5925968 Piezoelectric vibrator, piezoelectric vibrator device having the same and circuit device having the piezoelectric vibrator device
07/15/1999WO1999035739A1 An optimal cut for saw devices on langanite
07/15/1999WO1999035738A1 Surface acoustic wave component on a monocrystal substrate which is also pyroelectric
07/15/1999DE19859209A1 Piezoelectric resonator for generating a harmonic in a transverse expansion vibration mode
07/15/1999DE19758195A1 Surface acoustic wave component used especially as filter for mobile radio hand set
07/14/1999EP0852846B1 Surface acoustic wave filter using the coupling of three acoustic channels
07/13/1999US5923231 Surface acoustic wave device with an electrode insulating film and method for fabricating the same
07/08/1999WO1999034453A1 Piezoelectric transducer
07/08/1999WO1999003194A3 Thermostatically controlled quartz generator
07/07/1999EP0928064A2 Surface-acoustic-wave filter
07/07/1999EP0928022A2 Resin package fabrication process
07/07/1999EP0927458A1 Surface wave filter for asymmetrical/symmetrical and symmetrical/symmetrical operating mode
07/07/1999EP0927457A1 Surface wave filter
07/07/1999EP0927456A1 Twin dualmode filters
07/07/1999EP0927455A1 Reactance filter with surface wave resonators
07/07/1999EP0927454A1 Surface wave component
07/07/1999EP0927343A1 Sensor resonator operating with acoustic surface waves - surface wave resonator - to be used as a frequency-determining component of an oscillator in a sensor circuit
07/06/1999US5920242 Multielement-type piezoelectric filter with through-hole connection of resonators to a base substrate circuit
07/06/1999US5920146 Electrode edge wave patterns for piezoelectric resonator
07/06/1999US5920143 Surface acoustic wave device
07/06/1999US5920142 Electronic part and a method of production thereof
07/06/1999US5918354 Method of making a piezoelectric element
07/01/1999WO1999032236A1 Piezoelectric transducer with a temperature-sensitive component
07/01/1999DE19854912A1 Piezoelectric resonator for generating the third harmonic in the thickness expansion resonant mode for use at higher frequencies
07/01/1999DE19820208A1 Piezoelektrischer Schwinger A piezoelectric vibrator
06/1999
06/30/1999CN1221523A Elastic surface acoustic wave element
06/30/1999CN1221255A Method of manufacturing surface acoustic wave device
06/30/1999CN1221250A Automatic calibration of field-oriented elevator motor drive parameters using standstill motor measurements
06/29/1999US5918258 High-sensitivity instrument to measure NVR in fluids
06/29/1999US5917272 Oven-heated crystal resonator and oscillator assembly
06/29/1999US5917265 Optimal cut for saw devices on langasite
06/29/1999US5916858 Washing the metal mask before, during and after completing the solder printing with a liquid cleaning compound containing fluorine based surfactant and isopropyl alcohol
06/29/1999CA2198529C Surface wave devices for differential coherent detectors
06/23/1999EP0924857A2 Surface acoustic wave filter
06/23/1999EP0924856A2 A surface acoustic wave device
06/23/1999EP0924852A2 Automatic calibration of field-oriented elevator motor drive parameters using standstill motor measurements
06/23/1999CN1220518A Piezoelectric resonator
06/22/1999US5915168 Method for packaging individual die at the wafer level
06/22/1999US5914646 Surface acoustic wave filter with larger driving electrode areas in some parallel resonators, and packaging thereof
06/22/1999US5914645 Surface acoustic wave device with optimized ratio of film thickness to electrode period
06/22/1999US5914554 Surface wave resonator
06/16/1999EP0922329A1 Elliptic filter and method of making the same
06/16/1999CN1220057A Electronic component, in particular OFW component using acoustical surface acoustic waves
06/15/1999US5912602 Surface acoustic wave device and method for designing same using resonators having different frequency-temperature characteristics
06/15/1999US5912601 Piezoelectric resonator and electronic component containing same
06/15/1999US5912600 Piezoelectric resonator and electronic component containing same
06/15/1999US5912592 Piezoelectric oscillator
06/15/1999CA2157652C Method of operating an ultrasonic piezoelectric transducer and circuit arrangement for performing the method
06/10/1999WO1999029039A1 Saw ladder filter with split resonators and method of providing same
06/10/1999DE19854729A1 Method of manufacturing a surface wave component with a piezoelectric substrate and inter digital transducer
06/10/1999DE19854699A1 Piezoelectric resonator for generating clocking signals in microcomputers
06/10/1999DE19838574A1 Electronic component is encapsulated by a curable resin layer and a thermoplastic resin layer
06/09/1999EP0921636A2 Surface acoustic wave filter and multistage surface acoustic wave filter
06/09/1999CN2323517Y VHF high band radio frequency surface acoustic wave filter
06/09/1999CN2323516Y VHF low band radio frequency surface acoustic wave filter
06/09/1999CN2323515Y Low-insertion loss IF surface acoustic wave filter for communication
06/09/1999CN1219027A Harmonic piezoelectric resonator by using thickness extension vibration mode
06/09/1999CN1219003A Acoustic surface-wave device
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