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)
06/2003
06/12/2003US20030107457 Surface acoustic wave filter device
06/12/2003US20030107456 Thin-film piezoelectric resonator, band-pass filter and method of making thin-film piezoelectric resonator
06/12/2003US20030107454 Surface acoustic wave filter element, surface acoustic wave filter and communication device using the same
06/12/2003US20030107297 Surface acoustic wave apparatus
06/11/2003EP1317797A1 Acoustic resonator
06/11/2003EP1141746B1 Remote-inquiry surface acoustic wave component with optimum code space
06/11/2003CN1111318C Surface acoustic wave device using leaky surface acoustic wave with optimized cut angle of piezoelectric substrate
06/10/2003US6577210 Surface acoustic wave filter having plural propagation paths and a coupler
06/10/2003US6577209 Surface acoustic wave device with inductor means for correcting impedance imbalance between input and output electrodes
06/10/2003US6577043 Piezoelectric resonator and electronic device incorporating the same
06/10/2003US6577041 Converter for surface acoustic waves
06/10/2003US6577040 Method and apparatus for generating a signal having at least one desired output frequency utilizing a bank of vibrating micromechanical devices
06/05/2003US20030102940 Modified solid ground electrode in a crystal filter device
06/05/2003US20030102778 Heat resistant quartz-crystal unit
06/05/2003US20030102773 Method for fabricating a thin film bulk acoustic wave resonator (FBAR) on a glass substrate
06/04/2003CN1422418A Component provided with a description
06/04/2003CN1421999A Duplexer and electronic equipment using the same duplexer
06/04/2003CN1421874A Piezoelectric ceramic composition and piezoelectric element utilizing with the same
06/04/2003CN1110896C Sound surface wave filter
06/04/2003CN1110895C Piezoelectric resonator and method of manufacturing the same
06/04/2003CN1110894C Surface wave apparatus with at least two surface wave structure
06/04/2003CN1110862C Thin film piezoelectric array with enhanced coupling and fabrication method thereof
06/03/2003US6573635 Surface acoustic wave device
06/03/2003US6571442 Method of making an electronic component
05/2003
05/30/2003WO2003044857A1 Package for electronic component, and piezoelectric vibrating device using the package for electronic component
05/29/2003US20030098762 Saw device
05/29/2003US20030098761 Piezoelectric filter, communication device, and method for manufacturing communication device
05/29/2003US20030098757 Duplexer and electronic device using the same
05/29/2003US20030098756 Surface acoustic wave filter
05/29/2003US20030098633 Longitudinally coupled multi-mode piezoelectric filter
05/29/2003US20030098631 Method for adjusting and stabilizing the frequency of an acoustic resonator
05/28/2003EP1315297A2 Surface acoustic wave filter element, surface acoustic wave filter and communication device using the same
05/28/2003EP1315296A1 SAW device
05/28/2003EP1315294A2 Method for adjusting and stabilizing the frequency of an acoustic resonator
05/28/2003EP1315293A2 Fabrication of film bulk acoustic resonator
05/28/2003CN1421068A High power SAW metallization and method of fabrication
05/28/2003CN1420572A Circuit protection method
05/28/2003CN1110207C Superimposing circuit
05/28/2003CN1110133C Duplexer for cordless acoustic surface wave telephone
05/28/2003CN1110131C Piezoelectric vibration device
05/27/2003US6571018 Encoding and/or decoding system for three-dimensional color ultrasonic image
05/27/2003US6570471 Surface acoustic wave ladder filter having at least one resonator with electrode finger pairs in inverted orientation
05/27/2003US6570470 Surface acoustic wave ladder filter utilizing parallel resonators with different resonant frequencies
05/27/2003US6570468 Resonator frequency correction by modifying support structures
05/27/2003US6570462 Adaptive tuning device and method utilizing a surface acoustic wave device for tuning a wireless communication device
05/27/2003US6570262 Mother substrate and electronic component utilizing the mother substrate
05/27/2003US6568053 Method for manufacturing a ceramic resonator
05/22/2003WO2003043198A2 Bandpass sigma-delta modulator with anti-resonance cancellation
05/22/2003WO2003043189A2 Method for gap adjustment of two mechanical elements of a substantially planar micro-mechanical structure and corresponding electromechanical resonator
05/22/2003WO2003043188A1 Passivated baw resonator and baw filter
05/22/2003US20030095017 Elastic surface wave device
05/22/2003US20030095010 Oscillator and production method therefor
05/22/2003US20030094883 Surface acoustic wave device
05/21/2003EP1313218A1 Surface acoustic wave filter device
05/21/2003EP1313217A1 Surface acoustic wave device and method of manufacturing the device
05/21/2003EP1313216A2 Temperature compensation mechanism for a micromechanical ring resonator
05/21/2003EP1313215A2 Temperature compensation mechanism for a micromechanical ring resonator
05/21/2003EP1313214A2 Packaging substrate and manufacturing method thereof, integrated circuit device and manufacturing method thereof, and saw device
05/21/2003EP1312163A2 Micromechanical resonator and filter using the same
05/21/2003EP1311455A2 Method for making micromechanical structures having at least one lateral, small gap therebetween and micromechanical device produced thereby
05/21/2003EP0744830B1 Surface acoustic wave device and production method thereof
05/21/2003CN1419739A Dual-mode surface wave filter with improved symmetry and increased reverse attenuation
05/21/2003CN1419387A Manufacture of film integral sound resonator
05/21/2003CN1419339A Surface wave diffraction reduced interdigital transducer
05/21/2003CN1419334A Piezoelectric oscillator and shell enclosed piezoelectric oscillator assembly
05/21/2003CN1109402C 表面声波装置 Surface acoustic wave device
05/20/2003US6566983 Saw filter using a carbon nanotube and method for manufacturing the same
05/20/2003US6566982 Lead frame set and saw filter using the same
05/20/2003US6566981 Surface acoustic wave device having plural ground conductor films in the housing cavity
05/20/2003US6566980 Die layout for SAW devices and associated methods
05/20/2003US6566979 Method of providing differential frequency adjusts in a thin film bulk acoustic resonator (FBAR) filter and apparatus embodying the method
05/20/2003US6566788 Surface acoustic wave device
05/20/2003US6566787 Elastic surface-wave device
05/20/2003US6566786 Method and apparatus for selecting at least one desired channel utilizing a bank of vibrating micromechanical apparatus
05/15/2003WO2003041273A1 Filter device and method of fabricating a filter device
05/15/2003WO2003028212A3 Microbridge structures for ultra-high frequency mem resonator
05/15/2003US20030090399 Bandpass sigma-delta modulator
05/15/2003US20030090341 Longitudinally coupled surface acoustic wave resonator filter
05/15/2003US20030090338 Branching filter and communication apparatus
05/15/2003US20030088960 Fabrication of film bulk acoustic resonator
05/14/2003EP0737382B1 Component-module-adapted oscillating circuit arrangement
05/14/2003CN1418400A Surface acoustic wave device
05/14/2003CN1418031A Surface sound wave filtering unit, surface sound wave filter and communication equipment with the filter
05/14/2003CN1417944A Piezoelectric resonator and its making rocess
05/14/2003CN1417943A 压电谐振器 The piezoelectric resonator
05/14/2003CN1108661C 弹性表面波滤波器 Surface acoustic wave filter
05/13/2003US6563400 Piezoelectric resonator utilizing bending vibrations and ladder-type filter including the same
05/13/2003US6563396 Composite high frequency component and mobile communication apparatus incorporating the same
05/08/2003WO2003038997A1 Method and apparatus utilizing the saw velocity dispersion effect
05/08/2003US20030085779 Resonator frequency correction by modifying support structures
05/08/2003US20030085778 Surface acoustic wave apparatus
05/08/2003US20030085774 High frequency switch and radio communication apparatus
05/08/2003US20030085636 Piezoelectric element
05/07/2003EP1309085A1 Surface acoustic wave device and substrate thereof
05/07/2003EP1309084A1 Piezoelectric vibrator and filter using the same
05/07/2003CN1416617A Surface acoustic wave device and its mfg. method
05/07/2003CN1416217A Elastic surface wave element, and communicating device
05/07/2003CN1415431A Piezoelectric oscillator and its mfg. met6hod; ceramic pack and real time clock
05/06/2003US6559739 String weighted surface acoustic wave transducer
05/06/2003US6559738 Unidirectional transducer and saw filter comprising the same
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