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:
Mar. 25, 1980
Filed:
Nov. 14, 1977
Applicant:
Inventors:
Burkhard Schiek, Halstenbek, DE;
Jurgen Kohler, Halstenbek, DE;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01P / ; H01P / ; H01P / ;
U.S. Cl.
CPC ...
333161 ; 333245 ; 333246 ;
Abstract
Disclosed is a 180.degree. phase shifter having meander-shaped coupled lines in a predominantly planar form, such as, for example, microstrip, microslot or stripline, formed by a .lambda./2 long meander disposed opposite to a .lambda./4 long meander.
Schiek, Burkhard. (1980). Broad-band 180.degree. phase shifter (U.S. Patent No. 4195271). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4195271
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile