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)
12/1997
12/09/1997	US5696472 Stacked ladder-type filter utilizing at least one shear mode piezoelectric resonator
12/09/1997	US5696423 Temperature compenated resonator and method
12/09/1997	US5696422 Crystal package
12/04/1997	WO1997045955A1 Electronic component, in particular a component using acoustical surface acoustic waves
12/04/1997	CA2255961A1 Electronic component, in particular a component using acoustical surface acoustic waves
12/03/1997	EP0810727A2 Surface-acoustic-wave device having an improved pass-band characteristic and an improved degree of freedom for setting input and output impedances
12/03/1997	EP0810726A1 Elastic surface wave functional device and electronic circuit using the element
12/03/1997	EP0810725A2 Wafer and surface acoustic wave device
12/03/1997	EP0810724A2 Acousto-electronic component operating with surface acoustic waves
12/03/1997	CN1166724A Ladder-type filter
12/03/1997	CN1166695A Electronic part and method of producing the same
12/02/1997	US5694096 Surface acoustic wave filter
12/02/1997	US5694095 Surface acoustic wave resonance device adapted to simple and precise adjustment of resonant frequency
12/02/1997	US5692279 Method of making a monolithic thin film resonator lattice filter
11/1997
11/27/1997	DE19714085A1 Acoustic multimodal surface wave (SAW) filter
11/26/1997	EP0809357A2 Surface acoustic wave filter and multistage surface acoustic wave filter
11/26/1997	EP0809356A2 Piezoelectric component
11/26/1997	EP0721669A4 Method for manufacturing a frequency control device
11/20/1997	WO1997043827A1 Communication system comprising at least two filter branches
11/20/1997	CA2253660A1 Communication system comprising at least two filter branches
11/19/1997	CN1165433A Surface acoustic wave filter
11/19/1997	CN1165432A 压电元件及其制造方法 The piezoelectric element and its manufacturing method
11/19/1997	CN1165431A Monolithic surface, acoustic wave duplexer
11/18/1997	US5689220 Laterally coupled piezoelectric resonator ladder-type filter with at least one width expansion mode resonator
11/18/1997	US5687462 Method of forming an electro-active device
11/13/1997	WO1997042519A1 Process for carrying out a non-contact remote enquiry
11/13/1997	DE19618706A1 Mindestens zwei Filterzweige enthaltendes Kommunikationssystem At least two filter branches containing communication system
11/12/1997	EP0806835A2 Electronic component
11/12/1997	EP0805984A1 Coupled resonator vibratory rate sensor
11/12/1997	CN1164940A Multiple-mode piezoelectric filter
11/05/1997	EP0805552A2 Acoustic wave filter package and method
11/05/1997	EP0804768A1 Low power filter coefficient adaptation circuit for digital adaptive filter
11/04/1997	US5684437 End face reflection type surface wave resonator
11/04/1997	US5684436 Ladder-type filter with laterally coupled piezoelectric resonators
10/1997
10/30/1997	DE19712496A1 Piezoelectric thin-film component
10/29/1997	EP0803919A1 Method of manufacturing a metallisation on a piezoelectric substrate
10/29/1997	CN2266228Y Frequency signal preprocessor
10/29/1997	CN2266227Y Multi-channel sound surface narrow-band matched filter set
10/28/1997	US5682126 Ladder saw filter contained in a single acoustic track
10/23/1997	WO1997039524A1 Crystal resonator unit, crystal oscillator, and method for controlling crystal oscillator
10/22/1997	EP0802629A2 Electronic component and ladder filter
10/22/1997	EP0802628A2 Piezoelectric resonator and method for fabricating the same
10/22/1997	EP0802627A1 Surface acoustic wave converter and acoustic wave filter using the same
10/22/1997	EP0802497A1 Radio IC card system
10/21/1997	US5679999 Piezoelectric vibrator having U-shaped supports
10/16/1997	DE19631745C1 Surface acoustic wave device with overload protection impedance
10/15/1997	CN2265030Y Small quartz oscillator
10/15/1997	CN2265029Y Drawer-type resonator
10/08/1997	EP0800270A2 Surface acoustic wave filter
10/08/1997	EP0800269A2 Piezoelectric resonator and electronic component using the same
10/08/1997	EP0800268A2 Piezoelectric resonator and electronic component using the same
10/07/1997	US5675296 Capacitive-component reducing circuit in electrostatic-type transducer means
10/07/1997	US5675207 Surface acoustic waver convolver
10/01/1997	EP0798853A1 Acoustic wave filter
10/01/1997	EP0798852A1 Acoustic wave filter
10/01/1997	EP0797758A1 Integrated resonant microbeam sensor and transistor oscillator
10/01/1997	CN1160949A Piezoelectric resonator
09/1997
09/30/1997	US5672240 Vapor depositing a plurality spaced apart diamond on substrate facings, bonding the diamond surface to a transfer rigid substrate
09/30/1997	CA2072514C Means for assembling a longitudinal body
09/24/1997	EP0797315A2 Code division multiple access apparatus
09/24/1997	EP0797308A2 Radio data transmitter and receiver
09/24/1997	EP0797300A1 Piezoelectric vibrator and manufacturing method thereof
09/24/1997	EP0796488A1 Surface wave component and method of producing an attenuating structure therefor
09/24/1997	CN1160310A Piezo-resonator, and filter and AM receiving circuitry using the same resonator
09/24/1997	CN1160308A Longitudinal coupling type surface acoustic wave resonator filter
09/23/1997	US5670921 Surface acoustic wave device
09/23/1997	US5670920 Multi-track SAW filter with reflectors and reversed polarity IDT connections
09/23/1997	US5670919 Piezoelectric filter
09/23/1997	US5669126 Forming terminal on twofold electrode and applying vibration absorber between eleectrodes
09/17/1997	EP0795966A2 Power saving for radio receiver
09/17/1997	EP0795958A2 Resonator-type surface-acoustic-wave filter with improved upper stopband attenuation and reduced insertion loss
09/17/1997	EP0795953A1 Electronic device comprising an integrated time base
09/17/1997	CN1159679A Piezoelectric resonator containing oscillation buffering material
09/17/1997	CN1159678A Surface sound wave device
09/16/1997	US5668431 Of a communications system
09/16/1997	US5668329 Double ended tuning fork
09/16/1997	US5668057 Bonding the hydrophilic surfaces of semiconductor and piezoelectric plate together without adhesives
09/16/1997	US5666706 Method of manufacturing a piezoelectric acoustic wave device
09/12/1997	WO1997033368A1 Surface acoustic wave element and portable telephone set using the same
09/10/1997	EP0794616A2 An electronic part and a method of production thereof
09/10/1997	CN1159100A Surface acoustic wave device using leaky surface acoustic wave with optimized cut angle of piezoelectric substrate
09/10/1997	CN1159099A Surface wave device
09/09/1997	US5666092 Bandpass filter having at least two saw resonator filters coupled in parallel
09/09/1997	US5666091 Structure of surface acoustic wave filter
09/03/1997	EP0793340A2 Saw filter encapsulated in a ceramic package with capacitance incorporated therein
09/02/1997	US5663697 Surface accoustic wave filter
09/02/1997	US5663696 Saw filter with wave reflections and phase differences
09/02/1997	US5663695 Surface acoustic wave filter device and transducer therefor
08/1997
08/28/1997	DE19706796A1 Piezoelectric resonator for use in IF filter for AM receiver
08/28/1997	DE19706555A1 Piezoelectric element unit, such as SAW-filter, for mobile communications system
08/27/1997	EP0792018A2 Acoustic wave device, ladder filter and radio incorporating same and method
08/27/1997	EP0791180A1 Mobile transponder remote identification process
08/27/1997	EP0513007B1 Inductively coupled saw device and method for making the same
08/27/1997	CN1158026A Surface-acoustic-wave device having improved pass-band characteristic and improved degree of freedom for setting input and output impedances
08/26/1997	US5661444 Multi-channel, narrow-band saw filter
08/26/1997	US5661443 Apparatus and method for an asymmetrical multi-pole monolithic crystal filter having improved phase response
08/26/1997	US5661226 High sensitivity real-time NVR monitor
08/21/1997	WO1997023039A3 Method for the structuring of substrates of components operating using surface acoustic waves (saw components)
08/20/1997	EP0790705A1 Surface acoustic wave device
08/20/1997	CN2260408Y Large power electric current resonator

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