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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:
| Patent Number |
Title Of Patent |
Date Issued |
| 7253704 |
RF duplexer |
Aug. 7, 2007 |
| 7250831 |
Filter comprising inductor, duplexer using the filter and fabricating methods thereof |
Jul. 31, 2007 |
| 7242268 |
Unbalanced-balanced multiband filter module |
Jul. 10, 2007 |
| 7239217 |
Antenna duplexer |
Jul. 3, 2007 |
| 7233218 |
Air-gap type FBAR, and duplexer using the FBAR |
Jun. 19, 2007 |
| 7230509 |
Acoustic mirror |
Jun. 12, 2007 |
| 7230510 |
Duplexer and method of isolating an Rx-band and a Tx-band |
Jun. 12, 2007 |
| 7230512 |
Wafer-level surface acoustic wave filter package with temperature-compensating characteristics |
Jun. 12, 2007 |
| 7227429 |
Surface acoustic wave device and method of fabricating the same |
Jun. 5, 2007 |
| 7224245 |
Duplexer fabricated with monolithic FBAR and isolation part and a method thereof |
May. 29, 2007 |
| 7215223 |
Surface acoustic wave device |
May. 8, 2007 |
| 7212080 |
Surface acoustic wave device having two piezoelectric substrates with different cut angles |
May. 1, 2007 |
| 7212083 |
Filter device utilizing stacked resonators and acoustic coupling and branching filter using same |
May. 1, 2007 |
| 7196594 |
Surface acoustic wave duplexer having enhanced isolation performance |
Mar. 27, 2007 |
| 7194241 |
Efficient multiple-band antenna switching circuit |
Mar. 20, 2007 |
| 7190242 |
Surface acoustic wave filter and communication unit |
Mar. 13, 2007 |
| 7190970 |
Multiplexer |
Mar. 13, 2007 |
| 7183879 |
Electric filter, and duplexer using the same |
Feb. 27, 2007 |
| 7183878 |
Surface acoustic wave filter |
Feb. 27, 2007 |
| 7180387 |
Antenna duplexer |
Feb. 20, 2007 |
| 7164306 |
Composite multiplexer circuit and chip component, high-frequency module and radio communication apparatus using the same |
Jan. 16, 2007 |
| 7154359 |
Surface acoustic wave filter and duplexer including the same |
Dec. 26, 2006 |
| 7155197 |
High-frequency module and communication apparatus |
Dec. 26, 2006 |
| 7151310 |
Package substrate, integrated circuit apparatus, substrate unit, surface acoustic wave apparatus, and circuit device |
Dec. 19, 2006 |
| 7138888 |
Filter using piezoelectric resonator |
Nov. 21, 2006 |
| 7135944 |
Branching filter having both saw ladder and dual mode filters, and electronic apparatus using the branching filter |
Nov. 14, 2006 |
| 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 |
| 7119634 |
Surface acoustic wave demultiplexer using different piezoelectric materials for substrates of two saw filters |
Oct. 10, 2006 |
| 7119637 |
Filter system comprising a bulk acoustic wave resonator |
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 |
| 7078989 |
Multi-mode surface acoustic wave filter device and duplexer |
Jul. 18, 2006 |
| 7078984 |
Duplexer and method of manufacturing same |
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 |
| 7053730 |
Fabricating methods for air-gap type FBARs and duplexers including securing a resonating part substrate to a cavity forming substrate |
May. 30, 2006 |
| 7053731 |
Duplexer using surface acoustic wave filters |
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 |
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