Patents
Patents for H03H 9 - Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators (20,116)
11/1999
11/11/1999WO1999057807A1 Planar resist structure, especially an encapsulation for electric components and a thermomechanical method for the production thereof
11/11/1999CA2331277A1 Planar resist structure, in particular encapsulation for electronic components and thermomechanical production process
11/10/1999EP0955726A1 Surface acoustic wave apparatus
11/10/1999CN1234651A Surface sound-wave filter
11/10/1999CN1234650A Sound surface-wave device
11/09/1999US5982254 Ladder filter having an optimal arrangement of piezoelectric resonators in a case
11/09/1999US5982077 Piezo-electric transducer unit
11/09/1999US5982076 Electronic component involving 2-terminal type piezo-electric device
11/09/1999US5982032 Electronic device having FETs on a low dielectric constant GaAs base member and passive elements on a high dielectric constant base member
11/04/1999WO1999056391A1 Piezoelectric bulk vibrator
11/04/1999WO1999056390A1 Electronic component
11/04/1999DE19818826A1 Surface acoustic wave filter for mobile communications
11/04/1999DE19818824A1 Elektronisches Bauelement Electronic component
11/04/1999DE19818038A1 Dual mode surface wave filter for high frequency applications
11/04/1999DE19806818C1 Verfahren zur Herstellung eines elektronischen Bauelements, insbesondere eines mit akustischen Oberflächenwllen arbeitenden OFW-Bauelements A method of manufacturing an electronic component, in particular an operating with acoustic Oberflächenwllen SAW component
11/04/1999CA2330039A1 Electronic component
11/03/1999EP0623259B1 An integrated circuit including a surface acoustic wave transformer and a balanced mixer
11/03/1999CN1233884A Piezoelectric resonator, method of mfg. piezoelectric resonator and method of adjusting resonance frequency of piezoelectric resonator
11/02/1999US5977846 Unidirectional surface acoustic wave filter
11/02/1999US5977686 Surface acoustic wave filter
11/02/1999US5976994 Method and system for locally annealing a microstructure formed on a substrate and device formed thereby
11/02/1999CA2183281C Surface acoustic wave filter
10/1999
10/28/1999WO1999054995A1 Surface acoustic wave device and production method thereof and mobile communication equipment using it
10/28/1999DE19916885A1 Piezoelectric component for filter or resonator
10/27/1999EP0952618A1 Thin film piezoelectric element, method for manufacturing the same, and circuit element
10/27/1999EP0823783A4 Monolithic crystal filter
10/27/1999CN1233106A Piezoelectric element
10/26/1999US5974197 Loop filter and loop filtering method
10/26/1999US5973579 Ladder type intermediate frequency filter
10/26/1999US5973578 Programmable signal translating devices and method of programming such devices
10/26/1999US5973442 Piezo-resonator, filter and AM receiving circuitry using piezo-resonator
10/26/1999US5973438 Ultrasonic switching device
10/26/1999CA2096629C Saw device tapped delay lines
10/20/1999EP0950283A1 Acoustic wave ladder filter with effectively increased coupling coefficient and method of providing same
10/20/1999EP0950282A1 Zero tcf thin film resonator
10/20/1999CN1232316A Method of manufacturing piezoelectric resonator
10/19/1999US5969463 Energy trapping piezoelectric device and producing method thereof
10/19/1999US5969462 Extensional mode piezoelectric crystal resonator with split electrodes and transformer driving circuit
10/19/1999US5969461 Surface acoustic wave device package and method
10/14/1999WO1999052210A1 Component carrier
10/14/1999WO1999052209A1 Surface acoustic wave device package and method
10/13/1999EP0949756A2 Monolithic filters utilizing thin film bulk acoustic wave devices and minimum passive components for controlling the shape and width of a passband response
10/13/1999EP0948821A1 Method for tuning thin film fbars
10/12/1999US5966061 Saw filter with successively grounded electrode fingers
10/12/1999US5966060 Surface acoustic wave apparatus having an interdigital transducer ground electrode connected to multiple package grounds
10/12/1999US5965969 Surface acoustic wave device using higher order mode of leakage elastic surface acoustic wave
10/07/1999WO1999050957A1 Programmable signal translating devices and method of programming such devices
10/07/1999DE19907640A1 Surface acoustic wave device
10/06/1999CN1231080A Reactance filter with OFW resonators
10/05/1999US5963857 Article comprising a micro-machined filter
10/05/1999US5963114 Surface-acoustic-wave device having an improved pass-band characteristic and an improved degree of freedom for setting input and output impedances
10/05/1999US5963113 Saw ladder filter with inter-stage matching saw resonator
10/05/1999US5962956 Piezoelectric resonator and electronic component containing same
10/05/1999US5962950 Compact surface acoustic wave apparatus, spread spectrum signal receiver using the same apparatus for reception of spread spectrum signal, and spread spectrum signal communication system using the same spread spectrum signal receiver
09/1999
09/30/1999WO1999049573A1 Surface-wave acoustic filter
09/30/1999CA2325434A1 Surface acoustic wave filter
09/28/1999US5959389 Diamond-ZnO surface acoustic wave device
09/28/1999US5959388 Magnetically tunable surface acoustic wave devices
09/28/1999US5959297 Mass spectrometers and methods for rapid screening of libraries of different materials
09/28/1999CA2180164C Component-module-adapted oscillating circuit arrangement
09/23/1999WO1999048200A1 An optimal cut for saw devices on langatate
09/23/1999DE19910368A1 Method of producing a piezoelectric resonator, e.g. for use in an oscillator
09/22/1999EP0943091A1 Method and apparatus for characterizing materials by using a mechanical resonator
09/22/1999CN1229538A Component with surface acoustic waves eliminating pyroelectric interface
09/22/1999CN1229309A Piezoelectric resonator adapted to generate harmonic wave in thickness extensional vibration mode
09/21/1999US5955933 Saw resonator with improved connections
09/21/1999US5955932 Q-controlled microresonators and tunable electric filters using such resonators
09/16/1999WO1999046857A1 Surface acoustic wave filter
09/16/1999WO1999046856A1 Surface acoustic wave filter
09/15/1999EP0941577A1 Acoustic wave resonator and filter with double reflective gratings
09/15/1999EP0941576A1 Crystal resonator
09/14/1999US5953433 Surface acoustic wave device
09/14/1999US5952899 Ladder filter having edge reflection type saw resonators
09/14/1999US5952898 Surface mounting piezoelectric filter with a shield electrode on a package partition wall
09/14/1999US5952765 Reduced coupling saw filter
09/08/1999EP0940915A2 Surface acoustic wawe device and communication apparatus
09/08/1999EP0940914A1 Surface acoustic wave apparatus and method of production thereof
09/08/1999EP0939907A1 Process for carrying out a non-contact remote enquiry
09/08/1999CN1228206A Elastic surface acoustic wave functional device
09/07/1999US5949307 Surface acoustic wave device having two resonators with partially overlapping transducers
09/07/1999US5949306 Saw ladder filter with split resonators and method of providing same
09/07/1999US5949305 Electrical component
09/07/1999US5949294 Reference frequency source oscillator formed from first and second containers
09/02/1999WO1999044285A1 Wideband surface wave filter
09/02/1999WO1999044284A1 Surface acoustic wave element
09/02/1999DE19806550A1 Elektronisches Bauelement, insbesondere mit akustischen Oberflächenwellen arbeitendes Bauelement - OFW-Bauelement Electronic component, in particular operating with acoustic surface waves component - SAW component
09/01/1999EP0939485A1 Chip device and method for producing the same
09/01/1999EP0938778A1 Integrated electronic structure
08/1999
08/31/1999US5945893 Acoustic wave impedance element ladder filter having a reflector integral with a busbar
08/31/1999US5945774 Open package for crystal oscillator chips
08/26/1999WO1999043084A1 Process for manufacturing an electronic component, in particular a surface-wave component working with acoustic surface waves
08/26/1999CA2321473A1 Process for manufacturing an electronic component, in particular a surface-wave component working with acoustic surface waves
08/25/1999EP0868780B1 Filter operating with acoustic surface waves (sw filter)
08/25/1999EP0868778B1 Electronic component, especially one operating with acoustic surface waves (sw component)
08/25/1999EP0868776B1 Electrical component, especially one operating with acoustic surface waves (sw component) and process for its production
08/24/1999US5942958 Symmetrical piezoelectric resonator filter
08/24/1999US5942836 Energy-trapping thickness-shear resonator and electronic components using the same
08/19/1999WO1999041833A1 Electronic component, especially a component working with acoustic surface waves
08/19/1999DE19901835A1 Self-tuning crystal notch filter for removing a signal of predefined frequency from an analogue reception signal in an ultrasonic imaging system
08/19/1999CA2320907A1 Electronic component, particularly a component working with surface acoustic waves-saw component