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. 31, 1978
Filed:
Feb. 28, 1977
Applicant:
Inventors:
Assignee:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q / ;
U.S. Cl.
CPC ...
343830 ; 343845 ;
Abstract
A disc antenna which consists of a conductor ground plate and a conductor disc provided in parallel to it, signals of a desired frequency being fed between one point on the conductor disc and the point opposite to it on the conductor ground plate and a point on said conductor disc other than said feeding point on the conductor disc being grounded, so as to radiate non-directional electric waves from the space between said conductor disc and conductor ground plate.