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. 12, 1992
Filed:
Nov. 13, 1990
Applicant:
Inventors:
Gerald W Peterson, Poughkeepsie, NY (US);
Bert W Weidle, Ulster Park, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
385 88 ; 385 57 ;
Abstract
A Hall effect sensor associated with the receptacle of a laser transmitter module senses the presence of a magnet carried by a fiber-optic connector when the connector is inserted in the receptacle. The output signal from the sensor is used to disable the laser transmitter if the fiber-optic connector is not inserted, providing a safety interlock as well as a positive key against the insertion of incompatible multimode connectors.