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Class Information
Number: 333/175
Name: Wave transmission lines and networks > Coupling networks > Frequency domain filters utilizing only lumped parameters > Resonant, discrete frequency selective type
Description: Subject matter which include resonant series and/or parallel inductance and capacity networks which offer a low impedance path to energy of a particular frequency or of a plurality of separate discrete frequencies and/or offer a high impedance path to energy of a particular frequency or of a plurality of discrete frequencies.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7609131 |
Coupling filter device with specific coupling coefficient |
Oct. 27, 2009 |
| 7592882 |
Dual bandstop filter with enhanced upper passband response |
Sep. 22, 2009 |
| 7592883 |
Dual bandstop filter with enhanced upper passband response |
Sep. 22, 2009 |
| 7586385 |
Method and apparatus for varying an impedance |
Sep. 8, 2009 |
| 7554424 |
Electronic component and method of making |
Jun. 30, 2009 |
| 7548138 |
Compact integration of LC resonators |
Jun. 16, 2009 |
| 7535321 |
Method and apparatus for a printed circuit board (PCB) embedded filter |
May. 19, 2009 |
| 7522017 |
High-Q integrated RF filters |
Apr. 21, 2009 |
| 7511596 |
Dual bandpass filter having serial configuration of coupled-line filters |
Mar. 31, 2009 |
| 7508284 |
Hybrid low pass diplex filter |
Mar. 24, 2009 |
| 7508285 |
Band-pass filter circuit |
Mar. 24, 2009 |
| 7501915 |
High frequency module |
Mar. 10, 2009 |
| 7492243 |
Planar circuit, high-frequency circuit device, and transmission and reception apparatus |
Feb. 17, 2009 |
| 7468642 |
Multi band pass filters |
Dec. 23, 2008 |
| 7443268 |
Bandpass filter within a multilayered low temperature co-fired ceramic substrate |
Oct. 28, 2008 |
| 7436274 |
Band-pass filter |
Oct. 14, 2008 |
| 7418251 |
Compact radio frequency harmonic filter using integrated passive device technology |
Aug. 26, 2008 |
| 7385465 |
Switchable dual-band filter |
Jun. 10, 2008 |
| 7348866 |
Compact printed filters with self-connected LC resonators |
Mar. 25, 2008 |
| 7345558 |
Circuit device |
Mar. 18, 2008 |
| 7332984 |
Electronic signal filter including solderless ground clip having surge protection and shielding features |
Feb. 19, 2008 |
| 7327207 |
Lamination type electronic component |
Feb. 5, 2008 |
| 7323951 |
Casing for CATV filter |
Jan. 29, 2008 |
| 7321284 |
Miniature thin-film bandpass filter |
Jan. 22, 2008 |
| 7268645 |
Integrated resonator structure and methods for its manufacture and use |
Sep. 11, 2007 |
| 7262674 |
Bandpass filter having first and second serially coupled collection of filter components for providing upper and lower rejection notches |
Aug. 28, 2007 |
| 7259639 |
Inductor topologies and decoupling structures for filters used in broadband applications, and design methodology thereof |
Aug. 21, 2007 |
| 7245194 |
Resonator and dielectric filter |
Jul. 17, 2007 |
| 7234234 |
Method of manufacturing bandpass filters for GHz bands |
Jun. 26, 2007 |
| 7183880 |
Discrete inductor bank and LC filter |
Feb. 27, 2007 |
| 7145415 |
Electrically tunable filters with dielectric varactors |
Dec. 5, 2006 |
| 7138872 |
Power amplifier device |
Nov. 21, 2006 |
| 7126443 |
Increasing performance of planar inductors used in broadband applications |
Oct. 24, 2006 |
| 7119635 |
Electronic component |
Oct. 10, 2006 |
| 7113588 |
Input-output balanced filter |
Sep. 26, 2006 |
| 7109829 |
Filter circuit and laminate filter |
Sep. 19, 2006 |
| 7106149 |
Switchable tuneable bandpass filter with optimized frequency response |
Sep. 12, 2006 |
| 7088202 |
Methods and apparatus for an improved discrete LC filter |
Aug. 8, 2006 |
| 7075389 |
Method and apparatus for achieving broadband matching of narrow-band resonator filter impedances to loads and sources |
Jul. 11, 2006 |
| 7034636 |
Tunable filters having variable bandwidth and variable delay |
Apr. 25, 2006 |
| 7012484 |
Filter using multilayer ceramic technology and structure thereof |
Mar. 14, 2006 |
| 7005943 |
Filter for segmenting power lines for communications |
Feb. 28, 2006 |
| 6995632 |
Band pass filter for GHz-band |
Feb. 7, 2006 |
| 6982614 |
Multi-mode filter |
Jan. 3, 2006 |
| 6967544 |
Miniature LTCC 2-way power splitter |
Nov. 22, 2005 |
| 6949989 |
Electronic signal filter including solderless ground clip having surge protection and shielding features |
Sep. 27, 2005 |
| 6940365 |
Methods and apparatus for an improved discrete LC filter |
Sep. 6, 2005 |
| 6933806 |
Electrical signal filter with solderless ground connection |
Aug. 23, 2005 |
| 6927645 |
Electronic component structured to compensate for cable losses and method of production |
Aug. 9, 2005 |
| 6914497 |
Parallel multistage band-pass filter |
Jul. 5, 2005 |
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