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. 08, 1984
Filed:
Jun. 17, 1981
Applicant:
Inventors:
Stephen Marcus, Lexington, MA (US);
Theodore M Quist, W. Acton, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01C / ; G01P / ;
U.S. Cl.
CPC ...
356-5 ; 356 285 ;
Abstract
A pulsed laser radar apparatus utilizing a Q-switched laser unit to generate laser pulse signals including a low intensity trailing tail. The trailing tail is utilized to provide a local oscillator signal that is combined with the target return signal prior to detection in a heterodyned detector unit.
Marcus, Stephen. (1984). Pulsed laser radar apparatus (U.S. Patent No. 4447149). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4447149
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile