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:
May. 02, 1989
Filed:
Jun. 04, 1987
Applicant:
Inventors:
Keiji Fukuzawa, Chiba, JP;
Fumihiro Ito, Kanagawa, JP;
Junichi Kajikuri, Kanagawa, JP;
Shinobu Tsurumaru, Kanagawa, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q / ;
U.S. Cl.
CPC ...
343778 ; 343769 ; 343786 ;
Abstract
A planar microwave antenna of the suspended line feed type has a substrate sandwiched between a pair of conductive plates, each of the plates having aligned openings defining radiation elements. The substrate is held in place by holding portions surrounding the openings and wide grooves between the openings house a plurality of parallel suspended lines.