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. 31, 1994
Filed:
Apr. 12, 1993
Applicant:
Inventor:
Edward T Siebert, New Fairfield, CT (US);
Assignee:
Hughes Aircraft Company, Los Angeles, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01S / ;
U.S. Cl.
CPC ...
372 38 ; 372 32 ; 372 29 ; 372 25 ;
Abstract
A system (10, 80) for detecting modulating laser signals having a memory (28) for storing the occurrences of a plurality of different pulse intervals in accordance with at least one preselected characteristic of the different pulse intervals and outputting a signal when a weighted sum of the number of different pulse intervals counted exceeds a preselected threshold number.