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:
Sep. 02, 1986
Filed:
Jan. 16, 1985
Applicant:
Inventors:
Ronald E Miller, Riegelsville, PA (US);
Antony A Stark, Holmdel, NJ (US);
Assignee:
AT&T Bell Laboratories, Murray Hill, NJ (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B / ; H01P / ;
U.S. Cl.
CPC ...
455325 ; 333246 ;
Abstract
A single substrate with a stripline circuit on one of its surfaces for use in a down converting mixer has a thin metallic film deposited utilizing photolithographic techniques onto two free ends: one end with the junction section of the stripline circuit for establishing a ground path with the metal block upon which the substrate rests and the other end with the filter section of the stripline circuit for establishing the intermediate frequency signal path with the inner conductor of a coaxial cable.