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:
May. 03, 1977
Filed:
Oct. 29, 1975
Applicant:
Inventor:
Dieter Schicketanz, Munich, DT;
Assignee:
Siemens Aktiengesellschaft, Berlin & Munich, DT;
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ;
U.S. Cl.
CPC ...
356237 ; 356239 ;
Abstract
A method and apparatus for measuring the distance of a discontinuity in a glass fiber from one end of the fiber characterized by coupling a pulse into the one end, sensing a pulse of light reflected by a discontinuity as it leaves the one end and measuring the time lapse between the pulse to determine the distance of the discontinuity from the one end.