Tunable coil assembly

Details Tunable coil assembly Tunable coil assembly

1975-05-30

1977-02-15

Kozma, Thomas J.

Inductor devices

Relatively movable core and coil

Plural relatively movable core parts

336136, H01F 2106

Patent

active

040084507

ABSTRACT:
A tunable coil assembly including a toroid or ring core and a variable cylindrical core means attached to the toroid core. The variable core means includes a slug movable within an electrically insulative coil form or holder. A turn(s) of electrically conductive wire is wound around both the toroid core and the adjustable core means. Another turn(s) of the wire may be wound around only the toroid core.

REFERENCES:
patent: 1896510 (1933-02-01), Given
patent: 2154232 (1939-04-01), Darnell
patent: 2163448 (1939-06-01), Otto
patent: 2899631 (1959-08-01), Cushman
patent: 2899654 (1959-08-01), Geiser
patent: 3100882 (1963-08-01), Burnell
patent: 3258726 (1966-06-01), Hellmann
patent: 3471815 (1969-10-01), Grant et al.
patent: 3517363 (1970-06-01), Curtis et al.
patent: 3518595 (1970-06-01), Dawson et al.

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