The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 13, 1987
Filed:
Sep. 30, 1986
Applicant:
Inventor:
Denis P Dorsey, Levittown, PA (US);
Assignee:
RCA Corporation, Princeton, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
H01P / ; H01P / ;
U.S. Cl.
CPC ...
333202 ; 333219 ; 333222 ; 333245 ;
Abstract
A helical resonator comprises an insulating body portion having therein a cavity. In one embodiment, a helical conductor is formed on the inside wall of the cavity and another conductor is formed on the outside of the insulating body. In another embodiment, the helical conductor is formed on the outside of the insulating body and the other conductor is formed on the outside wall of the cavity. In a preferred embodiment, the disclosed helical resonator is formed as an integral part of the body of a signal coupler for coupling an antenna to a tuner and electrically forms a series tuned trap connected between conductors of the signal coupler.