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:
Mar. 14, 1989
Filed:
Dec. 29, 1986
Applicant:
Inventor:
Richard K Araujo, Tewksbury, MA (US);
Assignee:
The Charles Stark Draper Laboratory, Inc., Cambridge, MA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01C / ;
U.S. Cl.
CPC ...
2503381 ; 33366 ; 33392 ;
Abstract
A two-axis quartz fiber passive tilt meter which includes housing and a quartz fiber suspended from the housing for conducting radiation and emitting the radiation from a distal end thereof. A pendulous mass is suspended from the quartz fiber and a damping fluid in the housing surrounds the quartz fiber and the mass. A detector senses the position of the spot of radiation emitted from the quartz fiber.