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Class Information
Number: 333/193
Name: Wave transmission lines and networks > Coupling networks > Electromechanical filter > Using surface acoustic waves
Description: Subject matter wherein mechanical wave energy within a desired frequency band is transmitted in the form of acoustic waves propagating principally along a free surface or a guiding substrate.

Sub-classes under this class:

Class Number Class Name Patents
333/194 Including spurious signal prevention or reduction means 317
333/196 With response weighting means 349
333/195 With wave-modifying means (e.g., reflectors, resonators, diffractors, multistrip couplers, etc.) 886

Patents under this class:

Patent Number Title Of Patent Date Issued
8710940 Elastic wave device having a capacitive electrode on the piezoelectric substrate Apr. 29, 2014
8692630 Guided acoustic wave resonant device and method for producing the device Apr. 8, 2014
8686809 Ladder-type filter including a dielectric film having a side surface with a heightwise inclination Apr. 1, 2014
8680931 Periodic signal generators having microelectromechanical resonators therein that support surface wave and bulk acoustic wave modes of operation with different temperature coefficients of frequ Mar. 25, 2014
8677604 Method of manufacturing boundary acoustic wave device Mar. 25, 2014
8674790 Surface acoustic wave device, oscillator, module apparatus Mar. 18, 2014
8669832 Acoustic wave device and acoustic wave filter Mar. 11, 2014
8660168 Method and system for communicating via a spatial multilink repeater Feb. 25, 2014
8648673 Elastic wave apparatus with a floating wiring line on a base substrate Feb. 11, 2014
8648672 Filter, portable terminal and electronic component Feb. 11, 2014
8648670 Filter, duplexer and communication module Feb. 11, 2014
8636912 Package for an electronic device Jan. 28, 2014
8624690 Surface acoustic wave device, oscillator, module apparatus Jan. 7, 2014
8620250 Resonator-based filtering Dec. 31, 2013
8610518 Elastic guided wave coupling resonator filter and associated manufacturing Dec. 17, 2013
8610517 Surface acoustic wave resonator mounting with low acceleration sensitivity Dec. 17, 2013
8598968 Elastic wave element and electronic device using the same Dec. 3, 2013
8587389 Electronic device Nov. 19, 2013
8586195 Method for forming an acoustic mirror with reduced metal layer roughness and related structure Nov. 19, 2013
8576025 Acoustic wave device, and filter and duplexer using the same Nov. 5, 2013
8576024 Electro-acoustic filter Nov. 5, 2013
8570118 Device and method for cascading filters of different materials Oct. 29, 2013
8567041 Method of fabricating a heated quartz crystal resonator Oct. 29, 2013
8552820 Filter, duplexer and communication module Oct. 8, 2013
8552818 Tunable filter Oct. 8, 2013
8536958 Elastic wave duplexer having a sealing member including two dielectric materials Sep. 17, 2013
8531254 Elastic wave device Sep. 10, 2013
8525621 Boundary acoustic wave filter Sep. 3, 2013
8525620 BAW resonator filter bandwidth and out-of-band frequency rejection Sep. 3, 2013
8525615 Elastic wave duplexer having a sealing member that includes a recess Sep. 3, 2013
8502625 Surface acoustic wave resonator and surface acoustic wave oscillator Aug. 6, 2013
8502621 Ladder filter and duplexer Aug. 6, 2013
8487720 Acoustic wave resonator and acoustic wave filter using the same Jul. 16, 2013
8482934 Implementing surface mount components with symmetric reference balance Jul. 9, 2013
8482363 Surface acoustic wave filter device, duplexer including the same, and electronic apparatus including the same Jul. 9, 2013
8476991 Elastic wave resonator, elastic wave filter, and antenna sharing device using the same Jul. 2, 2013
8463185 Wireless communication system using surface acoustic wave (SAW) second harmonic techniques Jun. 11, 2013
8461942 Surface acoustic wave device Jun. 11, 2013
8461940 Elastic wave device and method for manufacturing the same Jun. 11, 2013
8436697 Surface acoustic wave filter device May. 7, 2013
8427259 Elastic wave filter, and duplexer and electronic device using same Apr. 23, 2013
8421559 Interface acoustic wave device Apr. 16, 2013
8421558 Boundary acoustic wave device having an interdigital transducer electrode in a groove Apr. 16, 2013
8421555 Receiving side filter of duplexer and duplexer Apr. 16, 2013
8416038 Surface acoustic wave device and method of adjusting LC component of surface acoustic wave device Apr. 9, 2013
8416036 Branching filter Apr. 9, 2013
8410869 Elastic-wave filter device having a band-pass filter and a band-reject filter Apr. 2, 2013
8410865 Surface acoustic wave filter and duplexer using the same Apr. 2, 2013
8405472 Elastic wave filter device Mar. 26, 2013
8397360 Method for manufacturing a monolithic oscillator with bulk acoustic wave (BAW) resonators Mar. 19, 2013

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