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Class Information
Number: 333/133
Name: Wave transmission lines and networks > Plural channel systems > Having branched circuits > For providing frequency separation > Utilizing electromechanical transducer
Description: Subject matter wherein an electrical wave driven mechanical vibrator determines the frequency characteristic of the branched circuit.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11

Patent Number Title Of Patent Date Issued
7733197 Duplexer and communications equipment Jun. 8, 2010
7733196 Antenna sharing device Jun. 8, 2010
7728696 Harmonic termination of power amplifiers using BAW filter output matching circuits Jun. 1, 2010
7719390 Dual mode piezoelectric filter, method of manufacturing the same, high frequency circuit component and communication device using the same May. 18, 2010
7701311 Antenna duplexer, and RF module and communication apparatus using the same Apr. 20, 2010
7696842 Composite high-frequency component and mobile communication apparatus Apr. 13, 2010
7692515 Low-loss electro-acoustic component Apr. 6, 2010
7692517 Oscillator with acoustic surface wave resonators Apr. 6, 2010
7692513 Acoustic surface wave filter module and method of manufacturing the same Apr. 6, 2010
7688159 SAW duplexer having a bridging inductor in a multilayer package Mar. 30, 2010
7683735 Balanced acoustic wave filter Mar. 23, 2010
7683736 Resonant circuit, filter, and antenna duplexer Mar. 23, 2010
7684764 Duplexer using surface acoustic wave filters and electronic device equipped with the same Mar. 23, 2010
7679472 Branching filter package Mar. 16, 2010
7675387 Surface acoustic wave device and communication terminal using the same Mar. 9, 2010
7675388 Switchable tunable acoustic resonator using BST material Mar. 9, 2010
7675389 Piezoelectric resonator, piezoelectric filter, and duplexer and communication device using the same Mar. 9, 2010
7663450 Monolithic duplexer Feb. 16, 2010
7663451 RF telemetry for an active medical device such as an implant or programmer for an implant Feb. 16, 2010
7659796 Surface acoustic wave device and duplexer and communication device using the same Feb. 9, 2010
7659795 Antenna duplexer and wireless terminal using the same Feb. 9, 2010
7656251 Split band duplexer Feb. 2, 2010
7646265 BAW resonator filter bandwidth and out-of-band frequency rejection Jan. 12, 2010
7642882 Multi-band filter module and method of fabricating the same Jan. 5, 2010
7639103 Piezoelectric filter, antenna duplexer, and communications apparatus employing piezoelectric resonator Dec. 29, 2009
7629863 Filter and duplexer Dec. 8, 2009
7629864 Filter including acoustic wave filters connected in parallel Dec. 8, 2009
7629866 Method for manufacturing surface acoustic wave device and surface acoustic wave device Dec. 8, 2009
7623007 Device including piezoelectric thin film and a support having a vertical cross-section with a curvature Nov. 24, 2009
7619491 Elastic wave duplexer Nov. 17, 2009
7619494 Ladder type piezoelectric filter Nov. 17, 2009
7612634 High frequency module utilizing a plurality of parallel signal paths Nov. 3, 2009
7609129 Surface acoustic wave device, surface acoustic wave apparatus, and communications equipment Oct. 27, 2009
7602264 Filter device, multiband filter, duplexer and communications equipment using the filter device Oct. 13, 2009
7602263 Branching filter package Oct. 13, 2009
7602262 Elastic wave device and manufacturing method of the same Oct. 13, 2009
7588960 Nanotube device structure and methods of fabrication Sep. 15, 2009
7586388 Filter module and communication apparatus Sep. 8, 2009
7586389 Impedance transformation and filter using bulk acoustic wave technology Sep. 8, 2009
7583936 Circuit with reduced insertion loss and component comprising one such circuit Sep. 1, 2009
7583161 Surface acoustic wave device and boundary acoustic wave device Sep. 1, 2009
7579926 FBAR band pass filter, duplexer having the filter and methods for manufacturing the same Aug. 25, 2009
7579927 Duplexer Aug. 25, 2009
7579928 Surface acoustic wave device and communication device Aug. 25, 2009
7579931 Surface acoustic wave filter element, surface acoustic wave filter and communication device using the same Aug. 25, 2009
7573354 Duplexer and ladder type filter Aug. 11, 2009
7567148 Frequency shunt Jul. 28, 2009
7565116 High frequency module Jul. 21, 2009
7561005 High frequency front-end module and duplexer Jul. 14, 2009
7554419 Balanced filter and duplexer Jun. 30, 2009

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