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Class Information
Number: 338/216
Name: Electrical resistors > In coaxial transmission line or wave guide
Description: Subject matter including a wave guide or coaxial transmission line, the resistor or element thereof lying within the outer sheath of the wave guide or coaxial line.

Patents under this class:

Patent Number Title Of Patent Date Issued
7855615 Frequency adaptive temperature variable attenuator Dec. 21, 2010
7796008 Microwave load Sep. 14, 2010
7629861 Temperature compensation attenuator Dec. 8, 2009
7593824 System and method for automation of hardware signal characterization and signal integrity verification Sep. 22, 2009
7271682 Wideband temperature-variable attenuator Sep. 18, 2007
7215219 Temperature and frequency variable gain attenuator May. 8, 2007
7205863 Temperature and frequency equalizer Apr. 17, 2007
7202759 Wideband temperature-variable attenuator Apr. 10, 2007
7119632 High-frequency temperature-variable attenuator Oct. 10, 2006
7053750 Voltage probe systems having improved bandwidth capability May. 30, 2006
7034652 Electrostatic discharge multifunction resistor Apr. 25, 2006
6942522 Termination device Sep. 13, 2005
6445280 Composite material switches Sep. 3, 2002
6281783 Auto resistance matching means for distribution boxes Aug. 28, 2001
6016085 Flat cable load Jan. 18, 2000
5999080 Frequency dependent resistive element Dec. 7, 1999
5883565 Frequency dependent resistive element Mar. 16, 1999
5864283 Microwave frequency chip resistor assembly Jan. 26, 1999
5841342 Voltage controlled superconducting microwave switch and method of operation thereof Nov. 24, 1998
5731747 Electronic component having a thin-film structure with passive elements Mar. 24, 1998
5670917 AC coupled termination Sep. 23, 1997
5596309 Reduced inductance coaxial resistor Jan. 21, 1997
5047737 Directional coupler and termination for stripline and coaxial conductors Sep. 10, 1991
5039961 Coplanar attenuator element having tuning stubs Aug. 13, 1991
4779064 Radio frequency coaxial cable Oct. 18, 1988
4672335 Printed circuit wiring board having a doped semi-conductive region termination Jun. 9, 1987
4647877 Broadband signal termination apparatus comprising series cascade of resistors and transmission lines Mar. 3, 1987
4638268 Microwave absorber comprised of a dense silicon carbide body which is water cooled Jan. 20, 1987
4580118 Superconducting coil Apr. 1, 1986
4365215 High power coaxial power divider Dec. 21, 1982
4260962 RF Termination for coaxial transmission lines Apr. 7, 1981
4001736 Direct contact rotary attenuator Jan. 4, 1977
RE29018 Continuously variable resistance attenuator using lossy transmission line and having constant signal transit time Oct. 26, 1976

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