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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 |
| 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 |
| 7456705 |
Surface acoustic wave device, duplexer, and communications equipment |
Nov. 25, 2008 |
| 7453333 |
Surface acoustic wave apparatus and communications equipment |
Nov. 18, 2008 |
| 7453335 |
Surface acoustic wave resonator, surface acoustic wave filter and surface acoustic wave duplexer, and communications equipment |
Nov. 18, 2008 |
| 7449978 |
Printed substrate, and electronic component having shield structure |
Nov. 11, 2008 |
| 7446629 |
Antenna duplexer, and RF module and communication apparatus using the same |
Nov. 4, 2008 |
| 7443270 |
Film bulk acoustic resonator, filter circuit and method for manufacturing a film bulk acoustic resonator |
Oct. 28, 2008 |
| 7436269 |
Acoustically coupled resonators and method of making the same |
Oct. 14, 2008 |
| 7436273 |
Surface acoustic wave device and method for manufacturing the same |
Oct. 14, 2008 |
| 7432783 |
Filter device substrate and filter device |
Oct. 7, 2008 |
| 7429904 |
Spread-spectrum radio utilizing MEMS components |
Sep. 30, 2008 |
| 7425878 |
Surface acoustic wave filter and duplexer using the same |
Sep. 16, 2008 |
| 7425879 |
Surface acoustic wave filter apparatus and branching filter |
Sep. 16, 2008 |
| 7420438 |
Front end module |
Sep. 2, 2008 |
| 7420440 |
Transmitting filter including SAW resonators |
Sep. 2, 2008 |
| 7414495 |
Coupled FBAR filter |
Aug. 19, 2008 |
| 7414494 |
Surface acoustic wave apparatus |
Aug. 19, 2008 |
| 7412210 |
High frequency module |
Aug. 12, 2008 |
| 7400216 |
Surface acoustic wave device |
Jul. 15, 2008 |
| 7400218 |
Surface acoustic wave filter |
Jul. 15, 2008 |
| 7400220 |
Surface acoustic wave device |
Jul. 15, 2008 |
| 7385464 |
Resonator type filter |
Jun. 10, 2008 |
| 7385463 |
Surface acoustic wave device and electronic circuit device |
Jun. 10, 2008 |
| 7378922 |
Piezoelectric filter |
May. 27, 2008 |
| 7369012 |
Antenna duplexer |
May. 6, 2008 |
| 7365619 |
BAW apparatus |
Apr. 29, 2008 |
| 7339445 |
BAW duplexer without phase shifter |
Mar. 4, 2008 |
| 7332986 |
Surface acoustic wave apparatus and communications equipment |
Feb. 19, 2008 |
| 7327205 |
Demultiplexer and surface acoustic wave filter |
Feb. 5, 2008 |
| 7327206 |
Surface acoustic wave duplexer |
Feb. 5, 2008 |
| 7327209 |
Piezoelectric thin film resonator |
Feb. 5, 2008 |
| RE40036 |
Surface acoustic wave filter |
Jan. 29, 2008 |
| 7310027 |
Boundary acoustic wave filter |
Dec. 18, 2007 |
| 7304377 |
Package substrate, integrated circuit apparatus, substrate unit, surface acoustic wave apparatus, and circuit device |
Dec. 4, 2007 |
| 7304551 |
Branching filter and communication device |
Dec. 4, 2007 |
| 7301421 |
Surface acoustic wave device, manufacturing method therefor, and communications equipment |
Nov. 27, 2007 |
| 7301420 |
Piezoelectric resonator filter |
Nov. 27, 2007 |
| 7298230 |
Duplexer utilizing a compact splitter circuit |
Nov. 20, 2007 |
| 7298231 |
Surface acoustic wave device and communication apparatus |
Nov. 20, 2007 |
| 7289008 |
High-frequency module and communication apparatus |
Oct. 30, 2007 |
| 7283016 |
Balanced acoustic wave filter and acoustic wave filter |
Oct. 16, 2007 |
| 7282383 |
Micromachine production method |
Oct. 16, 2007 |
| 7276992 |
Antenna duplexer and electronic device |
Oct. 2, 2007 |
| 7274275 |
Bandpass filter network and method for bandpass filtering signals using multiple acoustic resonators |
Sep. 25, 2007 |
| 7271684 |
Filter element, and filter device, duplexer, and high-frequency circuit each including said filter element |
Sep. 18, 2007 |
| 7253704 |
RF duplexer |
Aug. 7, 2007 |
| 7253703 |
Air-gap type FBAR, method for fabricating the same, and filter and duplexer using the same |
Aug. 7, 2007 |
| 7253702 |
High-frequency switch module |
Aug. 7, 2007 |
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