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:
Nov. 17, 1987
Filed:
May. 09, 1986
Applicant:
Inventors:
Hirosuke Suzuki, Saitama, JP;
Tetsuro Umebayashi, Saitama, JP;
Assignee:
Junkosha Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01P / ; H01P / ; H01B / ;
U.S. Cl.
CPC ...
333-1 ; 333-5 ; 333238 ; 333243 ; 174 36 ; 1741 / ; 1741 / ;
Abstract
An electrical transmission unit line is provided comprising a porous dielectric layer having positioned on one side thereof a pair of narrow, parallel elongated electrical conductors and on the other side thereof, opposite the pair of conductors and extending transversely across both wires of the pair and parallel thereto, a wide ground conductor. An electrical transmission line having a plurality of such unit lines is also provided. The porous dielectric is preferably porous, expanded polytetrafluoroethylene. The transmission lines are covered with an electrically insulating material, preferably a nonporous plastic.