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:
Feb. 24, 1976
Filed:
Apr. 29, 1975
Applicant:
Inventors:
Assignee:
Nippon Electric Company, Ltd., Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01P / ;
U.S. Cl.
CPC ...
333 / ; 315-546 ; 315-548 ;
Abstract
A cavity resonator having adjustably tunable resonant frequency in which tuning of the resonant frequency is carried out by means of a movable side plate, characterized in that contactor pieces supported by the edges of said movable side plate for realizing high frequency short-circuiting to a cavity wall, consist of metallic wires, each of which is wound in a coil shape preferably having a diameter that is no greater than the distance between the opposite side plate edges in which the coils are mounted.