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. 16, 1980
Filed:
Sep. 20, 1978
Applicant:
Inventor:
Robin D Beasley, Chatham, GB;
Assignee:
Elliott Brothers (London) Limited, Chelmsford, GB;
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
356 731 ; 356239 ; 356394 ;
Abstract
A method and apparatus for testing a ferruled termination of a fibre optic cable by illuminating the active optical area of the cable at the end of the cable remote from the termination and successively measuring through a series of apertures of different area aligned with the ferrule the light energy output from said termination. The apertures may be provided by a series of apertures in a plate or may be provided by a shutter having an opening which may be discretely set to each of the apertures.