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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
7130590 Transceiver assembly Oct. 31, 2006
7126441 Electronic component having a connection member connecting a resonator terminal and a mounting substrate electrode Oct. 24, 2006
7126440 Modular frequency division filter Oct. 24, 2006
7119637 Filter system comprising a bulk acoustic wave resonator Oct. 10, 2006
7119634 Surface acoustic wave demultiplexer using different piezoelectric materials for substrates of two saw filters Oct. 10, 2006
7116187 Saw element and saw device Oct. 3, 2006
7116255 Multiplying digital to analog converter and multipath pipe line analog to digital converter using the same Oct. 3, 2006
7113055 Piezoelectric resonator, method of manufacturing piezoelectric resonator, and filter, duplexer, and communication device using piezoelectric resonator Sep. 26, 2006
7106148 Branching filter and communication device Sep. 12, 2006
7102460 Duplexer with extended functionality Sep. 5, 2006
7102461 Surface acoustic wave element, surface acoustic wave device, surface acoustic wave duplexer, and method of manufacturing surface acoustic wave element Sep. 5, 2006
7102462 Surface acoustic wave device Sep. 5, 2006
7102468 Surface acoustic wave device and communication apparatus using the same Sep. 5, 2006
7084718 Band elimination filter, filter device, antenna duplexer and communication apparatus Aug. 1, 2006
7078984 Duplexer and method of manufacturing same Jul. 18, 2006
7078989 Multi-mode surface acoustic wave filter device and duplexer Jul. 18, 2006
7071023 Nanotube device structure and methods of fabrication Jul. 4, 2006
7064630 High-frequency module and its manufacturing method Jun. 20, 2006
7053731 Duplexer using surface acoustic wave filters May. 30, 2006
7053730 Fabricating methods for air-gap type FBARs and duplexers including securing a resonating part substrate to a cavity forming substrate May. 30, 2006
7046102 Surface acoustic wave filter, balanced type circuit, and communication apparatus May. 16, 2006
7042313 Surface acoustic wave device and communication device using the same May. 9, 2006
7042311 RF delivery configuration in a plasma processing system May. 9, 2006
7038557 Antenna duplexer and mobile communication device using the same May. 2, 2006
7034638 SAW filter Apr. 25, 2006
7034635 Antenna duplexer, design method for antenna duplexer, production method for antenna duplexer, and communication apparatus using the same Apr. 25, 2006
7034634 Surface acoustic wave (SAW) resonator, SAW filter and SAW antenna duplexer using the SAW resonator Apr. 25, 2006
7034639 Longitudinally coupled resonator type surface acoustic wave filter and communication apparatus incorporating the same Apr. 25, 2006
7031689 Differential radio Apr. 18, 2006
7030716 Duplexer having two surface acoustic wave filters on one substrate Apr. 18, 2006
7026890 Duplexer with a ladder filter and a multimode filter on the same substrate Apr. 11, 2006
7023297 Surface acoustic wave branching filter Apr. 4, 2006
7015776 Saw filter and communication device utilizing a weighted reflector Mar. 21, 2006
7012480 Surface acoustic wave filter, balanced type filter and communication device Mar. 14, 2006
7005948 Surface acoustic wave device and communication apparatus using the same Feb. 28, 2006
6998912 High-frequency composite switch module and mobile communication device using the same Feb. 14, 2006
6995631 Ladder filter, branching filter, and communication apparatus Feb. 7, 2006
6995630 High-frequency compound switch module and communication terminal using it Feb. 7, 2006
6989723 Piezoelectric resonant filter and duplexer Jan. 24, 2006
6989724 Surface acoustic wave device and communication device Jan. 24, 2006
6985048 Surface acoustic wave apparatus and communication apparatus Jan. 10, 2006
6982612 Duplexer and communication apparatus with a matching circuit including a trap circuit for harmonic suppression Jan. 3, 2006
6980067 Triplexer systems and methods for use in wireless communications device Dec. 27, 2005
6975180 Surface acoustic wave filter, and antenna duplexer and communication equipment using the same Dec. 13, 2005
6972641 FBAR ladder filter and method of grounding of FBAR ladder filters Dec. 6, 2005
6965281 FBAR, FBAR based duplexer device and manufacturing method thereof Nov. 15, 2005
6963257 Coupled BAW resonator based duplexers Nov. 8, 2005
6954121 Method for controlling piezoelectric coupling coefficient in film bulk acoustic resonators and apparatus embodying the method Oct. 11, 2005
6954117 Electronic component including piezo-electric resonator mounted by face-down bonding with a required die shear strength Oct. 11, 2005
6943649 Surface acoustic wave filter with a ground pattern partially surrounding a signal pad and communication device using same Sep. 13, 2005

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