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Class Information
Number: 336/87
Name: Inductor devices > With electric and/or magnetic shielding means > Adjustable inductor
Description: Subject matter wherein means for adjustment of the inductance of the inductor device are included.

Patents under this class:

Patent Number Title Of Patent Date Issued
8310326 Method and apparatus for adjusting displacement current in an energy transfer element Nov. 13, 2012
8248198 Variable inductor with non-magnetic core and method of manufacture therefor Aug. 21, 2012
8154371 Method and apparatus for adjusting displacement current in an energy transfer element Apr. 10, 2012
7847669 Micro-electromechanical switched tunable inductor Dec. 7, 2010
6633219 Coil for automated mounting Oct. 14, 2003
6573822 Tunable inductor using microelectromechanical switches Jun. 3, 2003
6366034 Electric current variable-type inductor having closed loop characteristics and a horizontal linearity compensation circuit Apr. 2, 2002
6101371 Article comprising an inductor Aug. 8, 2000
5089930 Temperature compensated linear variable transformer Feb. 18, 1992
5015998 Null seeking position sensor May. 14, 1991
4810990 Transducer with apertures in tubular conductor Mar. 7, 1989
4531109 Tuning coil structure Jul. 23, 1985
4517509 Inductive device May. 14, 1985
4473810 Device for measuring the current which flows in a conductor Sep. 25, 1984
4427961 Chip type high frequency coil device Jan. 24, 1984
4374370 Helical resonator filter Feb. 15, 1983
4353050 Displacement measuring transducer Oct. 5, 1982
4156192 Inductive displacement transducer using plural magnetic screens rotatable about different axis to modify an inductance proportional to the displacement May. 22, 1979
4123735 Induction-type meter for measuring mechanical quantities Oct. 31, 1978
4053828 Metal detector with first and second nested rectangular coils Oct. 11, 1977
3979706 Shielded inductance coil with trimmer Sep. 7, 1976

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