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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 |
| 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 |
| 7602263 |
Branching filter package |
Oct. 13, 2009 |
| 7602264 |
Filter device, multiband filter, duplexer and communications equipment using the filter device |
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 |
| 7586389 |
Impedance transformation and filter using bulk acoustic wave technology |
Sep. 8, 2009 |
| 7586388 |
Filter module and communication apparatus |
Sep. 8, 2009 |
| 7583161 |
Surface acoustic wave device and boundary acoustic wave device |
Sep. 1, 2009 |
| 7583936 |
Circuit with reduced insertion loss and component comprising one such circuit |
Sep. 1, 2009 |
| 7579931 |
Surface acoustic wave filter element, surface acoustic wave filter and communication device using the same |
Aug. 25, 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 |
| 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 |
| 7554422 |
Filter module using piezoelectric resonators, duplexer, communication device, and method for fabricating filter module |
Jun. 30, 2009 |
| 7554419 |
Balanced filter and duplexer |
Jun. 30, 2009 |
| 7548135 |
Filter and duplexer |
Jun. 16, 2009 |
| 7535319 |
Band pass filter and duplexer having the same |
May. 19, 2009 |
| 7535324 |
Piezoelectric resonator structure and method for manufacturing a coupled resonator device |
May. 19, 2009 |
| 7532090 |
Acoustic wave filter device and duplexer |
May. 12, 2009 |
| 7522894 |
Radio receiving apparatus |
Apr. 21, 2009 |
| 7522016 |
Tunable surface acoustic wave resonators |
Apr. 21, 2009 |
| 7518470 |
Surface acoustic wave element, surface acoustic wave device and communication device including the same |
Apr. 14, 2009 |
| 7515017 |
Surface acoustic wave device utilizing a terminal routing pattern |
Apr. 7, 2009 |
| 7515018 |
Acoustic resonator |
Apr. 7, 2009 |
| 7511595 |
Multi-band filter module and method of fabricating the same |
Mar. 31, 2009 |
| 7498901 |
Filter device and transmitter-receiver utilizing beam-structured micro-resonators |
Mar. 3, 2009 |
| 7498900 |
System on chip structure comprising air cavity for isolating elements, duplexer, and duplexer fabrication method thereof |
Mar. 3, 2009 |
| 7498899 |
Duplexer with filters including film bulk acoustic resonators |
Mar. 3, 2009 |
| 7498898 |
Surface acoustic wave filter, and saw duplexer |
Mar. 3, 2009 |
| 7498902 |
Balanced/unbalanced filter module and communication apparatus |
Mar. 3, 2009 |
| 7489210 |
Surface acoustic wave filter and transmitter-receiver |
Feb. 10, 2009 |
| 7486158 |
Branching filter |
Feb. 3, 2009 |
| 7479845 |
Branching filter package |
Jan. 20, 2009 |
| 7479848 |
Acoustic wave filter device |
Jan. 20, 2009 |
| 7479847 |
Filter using piezoelectric resonator |
Jan. 20, 2009 |
| 7479846 |
Duplexer |
Jan. 20, 2009 |
| 7477115 |
Piezoelectric resonator, method of manufacturing piezoelectric resonator, and filter, duplexer, and communication device using piezoelectric resonator |
Jan. 13, 2009 |
| 7474174 |
Ladder-type thin-film bulk acoustic wave filter |
Jan. 6, 2009 |
| 7466213 |
Resonator structure and method of producing it |
Dec. 16, 2008 |
| 7459990 |
Arrangement with two piezoelectric layers, and method of operating a filter device |
Dec. 2, 2008 |
| 7459991 |
SAW component having an improved temperature coefficient |
Dec. 2, 2008 |
| 7459992 |
Acoustic wave filter and acoustic wave duplexer |
Dec. 2, 2008 |
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