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Class Information
Number: 333/229
Name: Wave transmission lines and networks > Resonators (distributed parameter type) > Cavity resonator > With temperature compensation
Description: Subject matter wherein the cavity resonator has thermal compensation means to substantially reduce the effects of temperature variations on the operating frequency.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8633789 Force arrangement for radio frequency filters Jan. 21, 2014
8179201 Resonator May. 15, 2012
8035465 Cavity resonator, use of a cavity resonator and oscillator circuit Oct. 11, 2011
7898369 Temperature compensation apparatus for frequency stabilization Mar. 1, 2011
RE40890 Temperature compensated high power bandpass filter Sep. 1, 2009
7564327 Thermal expansion compensation assemblies Jul. 21, 2009
7453337 Adjustable temperature compensation system for microwave resonators Nov. 18, 2008
7439830 Constant contact pressure PIM interface Oct. 21, 2008
7375605 Method and device for compensating the temperature of circular resonators May. 20, 2008
7253708 Radio frequency cavity resonatory with heat transport apparatus Aug. 7, 2007
7250833 Method and apparatus for stabilizing the temperature of dielectric-based filters Jul. 31, 2007
7193489 Radio frequency cavity resonator with heat transport apparatus Mar. 20, 2007
7164222 Film bulk acoustic resonator (FBAR) with high thermal conductivity Jan. 16, 2007
6960969 Resonant cavity device converting transverse dimensional variations induced by temperature variations into longitudinal dimensional variations Nov. 1, 2005
6897746 Phase stable waveguide assembly May. 24, 2005
6734766 Microwave filter having a temperature compensating element May. 11, 2004
6657214 Shielded enclosure for testing wireless communication devices Dec. 2, 2003
6549103 Device at filters Apr. 15, 2003
6535087 Microwave resonator having an external temperature compensator Mar. 18, 2003
6529104 Temperature compensated high power bandpass filter Mar. 4, 2003
6441705 Temperature self-compensating decoupling filter for high frequency Transceivers Aug. 27, 2002
6433656 Frequency-stabilized waveguide arrangement Aug. 13, 2002
6420947 Thermal compensation arrangement for microwave filter Jul. 16, 2002
6300850 Temperature compensating cavity bandpass filter Oct. 9, 2001
6232852 Temperature compensated high power bandpass filter May. 15, 2001
6169468 Closed microwave device with externally mounted thermal expansion compensation element Jan. 2, 2001
6057748 Methods of tuning and temperature compensating a variable topography electromagnetic wave device May. 2, 2000
6002310 Resonator cavity end wall assembly Dec. 14, 1999
5867077 Temperature compensated microwave filter Feb. 2, 1999
5798676 Dual-mode dielectric resonator bandstop filter Aug. 25, 1998
5754084 Temperature-compensated resonator May. 19, 1998
5714920 Dielectrically loaded cavity resonator Feb. 3, 1998
5686874 Temperature-compensated combiner Nov. 11, 1997
5589807 Multi-mode temperature compensated filters and a method of constructing and compensating therefor Dec. 31, 1996
5374911 Tandem cavity thermal compensation Dec. 20, 1994
5329255 Thermally compensating microwave cavity Jul. 12, 1994
5309129 Apparatus and method for providing temperature compensation in Te.sub.101 mode and Tm.sub.010 mode cavity resonators May. 3, 1994
5216388 Microwave oscillator with temperature compensation Jun. 1, 1993
5179363 Stress relieved iris in a resonant cavity structure Jan. 12, 1993
5039966 Temperature-compensated tuning screw for cavity filters Aug. 13, 1991
4939489 Filter having a dielectric resonator Jul. 3, 1990
4736173 Thermally-compensated microwave resonator utilizing current-null segmentation Apr. 5, 1988
4734665 Microwave filter Mar. 29, 1988
4706053 Microwave metallic cavity Nov. 10, 1987
4677403 Temperature compensated microwave resonator Jun. 30, 1987
4646038 Ceramic resonator filter with electromagnetic shielding Feb. 24, 1987
4644303 Multiple cavity square prism filter transmitter combiner with shared square walls and tuning controls mounted on rectangular end walls Feb. 17, 1987
4623857 Dielectric resonator device Nov. 18, 1986
4570137 Lumped-mode resonator Feb. 11, 1986
4489293 Miniature dual-mode, dielectric-loaded cavity filter Dec. 18, 1984

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