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Class Information
Number: 333/17.1
Name: Wave transmission lines and networks > Automatically controlled systems
Description: Subject matter having means to sense a condition in the system and to modify a wave propagation characteristic of the system in accordance with the condition so sensed.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7586383 |
Automatic tuning of multicavity filters of microwave signals |
Sep. 8, 2009 |
| 7515012 |
System and method for automatic tuning of a magnetic field generator |
Apr. 7, 2009 |
| 7482890 |
Automated systems and methods for tuning filters by using a tuning recipe |
Jan. 27, 2009 |
| 7439826 |
Programmable surface acoustic wave filter |
Oct. 21, 2008 |
| 7424053 |
Channel equalization in data receivers |
Sep. 9, 2008 |
| 7408417 |
Filter automatic adjustment apparatus, filter automatic adjustment method, and mobile telephone system |
Aug. 5, 2008 |
| 7400212 |
Self-tuned active bandpass filters |
Jul. 15, 2008 |
| 7400868 |
Automatic tuning apparatus for filter and communication instrument |
Jul. 15, 2008 |
| 7339446 |
Tunable resonator with MEMS element |
Mar. 4, 2008 |
| 7317364 |
Varactor tuning for a narrow band filter including an automatically controlled tuning system |
Jan. 8, 2008 |
| 7209866 |
Method and arrangement for automatic adjustment of devices having setting elements, and a corresponding computer program product and a corresponding computer-readable storage medium |
Apr. 24, 2007 |
| 7173965 |
Equalizing a signal for transmission |
Feb. 6, 2007 |
| 7171238 |
Self-identifying antenna system |
Jan. 30, 2007 |
| 7135940 |
Tunable filter and portable telephone |
Nov. 14, 2006 |
| 7102465 |
Frequency discrete LC filter bank |
Sep. 5, 2006 |
| 7102457 |
Mechanically balanced microwave load pull tuner |
Sep. 5, 2006 |
| 7071791 |
Automatic antenna-switching apparatus and system |
Jul. 4, 2006 |
| 7057452 |
Method and circuit for correcting the offset of an amplification chain |
Jun. 6, 2006 |
| 7049902 |
Tunable high-order bessel low pass filter |
May. 23, 2006 |
| 7023293 |
Method for tuning a radio filter, a radio filter and a system comprising such a radio filter |
Apr. 4, 2006 |
| 7015769 |
System and method for automatic tuning of a magnetic field generator |
Mar. 21, 2006 |
| 7002427 |
Filter trimming |
Feb. 21, 2006 |
| 6989720 |
Receiver |
Jan. 24, 2006 |
| 6987427 |
Method for tuning a radio filter, a radio filter and a system comprising such a radio filter |
Jan. 17, 2006 |
| 6965275 |
Method and apparatus for tuning a filter |
Nov. 15, 2005 |
| 6954115 |
Methods and apparatus for tuning successive approximation |
Oct. 11, 2005 |
| 6940365 |
Methods and apparatus for an improved discrete LC filter |
Sep. 6, 2005 |
| 6930565 |
Fully integrated automatically-tuned RF and IF active bandpass filters |
Aug. 16, 2005 |
| 6917252 |
Fully integrated automatically-tuned RF and IF active bandpass filters |
Jul. 12, 2005 |
| 6894580 |
Filter tuner system and method |
May. 17, 2005 |
| 6888421 |
Power attenuator with coupling port |
May. 3, 2005 |
| 6882245 |
Frequency discrete LC filter bank |
Apr. 19, 2005 |
| 6882246 |
System and method for an electronically tunable frequency filter having constant bandwidth and temperature compensation for center frequency, bandwidth and insertion loss |
Apr. 19, 2005 |
| 6822540 |
Tuning a cavity filter based on positional data for tuning members |
Nov. 23, 2004 |
| 6823292 |
Tuneable filter |
Nov. 23, 2004 |
| 6819197 |
Multiple bandwidth phase lock filters for multimode radios |
Nov. 16, 2004 |
| 6798312 |
Microelectromechanical system (MEMS) analog electrical isolator |
Sep. 28, 2004 |
| 6791430 |
Resonator tuning assembly and method |
Sep. 14, 2004 |
| 6781474 |
Apparatus and method for tuning a filter |
Aug. 24, 2004 |
| 6778023 |
Tunable filter and method of tuning a filter |
Aug. 17, 2004 |
| 6765452 |
Method and apparatus for damping an LC filter |
Jul. 20, 2004 |
| 6759916 |
High-frequency filter device, filter device combined to a transmit-receive antenna, and wireless apparatus using the same |
Jul. 6, 2004 |
| 6750734 |
Methods and apparatus for tuning an LC filter |
Jun. 15, 2004 |
| 6750733 |
Coupled resonator filter tuning having inter-resonator interaction compensation |
Jun. 15, 2004 |
| 6727775 |
Ferrite crystal resonator coupling structure |
Apr. 27, 2004 |
| 6686809 |
Filter trimming |
Feb. 3, 2004 |
| 6664873 |
Tunable resonator |
Dec. 16, 2003 |
| 6621368 |
Dynamic range extension for an electronic circuit |
Sep. 16, 2003 |
| 6621367 |
Signal power dynamic range compressing circuit and power amplifier using the same |
Sep. 16, 2003 |
| 6593828 |
System and method for filter tuning |
Jul. 15, 2003 |
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