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Class Information
Number: 333/196
Name: Wave transmission lines and networks > Coupling networks > Electromechanical filter > Using surface acoustic waves > With response weighting means
Description: Subject matter including significant structure for adjusting the amplitude and/or phase versus frequency transmission characteristics of the filters.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7620094 |
Spread spectrum clock generator |
Nov. 17, 2009 |
| 7606294 |
Channel quality estimation method and receiving apparatus |
Oct. 20, 2009 |
| 7586972 |
Code division multiple access enhanced capacity system |
Sep. 8, 2009 |
| 7586992 |
Apparatus and method for channel estimation and cyclic prefix reconstruction in an OFDM-STBC mobile communication system |
Sep. 8, 2009 |
| 7580444 |
Frequency hopping communication system |
Aug. 25, 2009 |
| 7555824 |
Method for large scale integration of quartz-based devices |
Jul. 7, 2009 |
| 7555029 |
Method for decoding a plurality of standard radio waves and standard radio wave receiver |
Jun. 30, 2009 |
| 7551665 |
Ultra wideband receiver architecture using high order Gaussian pulses and method of operation |
Jun. 23, 2009 |
| 7532090 |
Acoustic wave filter device and duplexer |
May. 12, 2009 |
| 7522021 |
Surface acoustic wave apparatus |
Apr. 21, 2009 |
| 7518471 |
Surface acoustic wave filter utilizing a floating electrode |
Apr. 14, 2009 |
| 7519097 |
Spread-signal multiplexing circuit |
Apr. 14, 2009 |
| 7505506 |
System and method for generating single sideband, constant envelope, spread spectrum signals with multiple spreading codes |
Mar. 17, 2009 |
| 7501917 |
Surface acoustic wave filter |
Mar. 10, 2009 |
| 7501916 |
Elastic wave device having an electrode finger with a side edge projection |
Mar. 10, 2009 |
| 7490390 |
Method of manufacturing a voltage controlled oscillator |
Feb. 17, 2009 |
| 7489213 |
Surface acoustic wave transducer |
Feb. 10, 2009 |
| 7482896 |
Surface acoustic wave apparatus |
Jan. 27, 2009 |
| 7479855 |
Longitudinally-coupled-resonator-type elastic wave filter device |
Jan. 20, 2009 |
| 7463672 |
Technique for adaptive multiuser equalization in code division multiple access systems |
Dec. 9, 2008 |
| 7453333 |
Surface acoustic wave apparatus and communications equipment |
Nov. 18, 2008 |
| 7436273 |
Surface acoustic wave device and method for manufacturing the same |
Oct. 14, 2008 |
| 7429905 |
Balanced acoustic wave filter |
Sep. 30, 2008 |
| 7372347 |
Surface acoustic wave device |
May. 13, 2008 |
| 7372897 |
Portable information communication terminal, program, and recording medium |
May. 13, 2008 |
| 7352800 |
Method of partial parallel interference cancellation |
Apr. 1, 2008 |
| 7330089 |
Balanced acoustic wave filter device |
Feb. 12, 2008 |
| 7271685 |
Surface acoustic wave filter |
Sep. 18, 2007 |
| 7236067 |
Surface acoustic wave filter |
Jun. 26, 2007 |
| 7218188 |
Microelectromechanical apparatus and methods for surface acoustic wave switching |
May. 15, 2007 |
| 7194793 |
Method for producing an edge reflection type surface acoustic wave device |
Mar. 27, 2007 |
| 7170372 |
Converter for surface waves with improved suppression of interfering excitation |
Jan. 30, 2007 |
| 7154360 |
Filter using piezoelectric material |
Dec. 26, 2006 |
| 7132908 |
Selectable performance filter |
Nov. 7, 2006 |
| 7061346 |
Transversal filter comprising an improved notch characteristic curve |
Jun. 13, 2006 |
| 7030539 |
Surface acoustic wave device and electronic component comprising it |
Apr. 18, 2006 |
| 7023300 |
Surface wave devices with low passband ripple |
Apr. 4, 2006 |
| 7002282 |
Surface acoustic wave device and method of fabricating the same |
Feb. 21, 2006 |
| 6985048 |
Surface acoustic wave apparatus and communication apparatus |
Jan. 10, 2006 |
| 6967545 |
Saw wave-guides |
Nov. 22, 2005 |
| 6967427 |
Surface acoustic wave device and communication apparatus incorporating the same |
Nov. 22, 2005 |
| 6946931 |
Surface acoustic wave resonator and surface acoustic wave filter |
Sep. 20, 2005 |
| 6946932 |
Surface acoustic wave resonator with an interdigital transducer divided into regions having a different fixed pitch |
Sep. 20, 2005 |
| 6946930 |
Surface acoustic wave device and electronic device using the same |
Sep. 20, 2005 |
| 6937113 |
Branching filter package |
Aug. 30, 2005 |
| 6937116 |
Longitudinal double-mode saw filter utilizing electrode finger phase weighting |
Aug. 30, 2005 |
| 6933803 |
Surface acoustic wave filter, branching filter, and communication apparatus |
Aug. 23, 2005 |
| 6928718 |
Method for array processing of surface acoustic wave devices |
Aug. 16, 2005 |
| 6919781 |
Surface wave filter comprising reactance elements |
Jul. 19, 2005 |
| 6894588 |
Resonator filter with improved adjacent channel selectivity |
May. 17, 2005 |
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