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:
Jul. 14, 1981
Filed:
Dec. 14, 1978
Applicant:
Inventor:
Lynden A Jackson, Ipswich, GB;
Assignee:
The Post Office, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
174 / ; 1741 / ; 174107 ; 350 9623 ;
Abstract
A submarine communications cable comprising a plurality of optical fibres extending longitudinally, an electrically conductive tube surrounding the plurality of fibres with radial clearance, the electrically conductive tube allowing the transmission of electrical power between repeaters and being rigid so that when incorporated in the cable it resists hydrostatic pressure at the sea bed.