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:
Oct. 27, 1992
Filed:
Sep. 28, 1964
Applicant:
Inventors:
Robert Adler, Northfield, IL (US);
L Curtis Foster, Atherton, CA (US);
Assignee:
Zenith Electronics Corporation, Glenview, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
G01B / ; G01N / ;
U.S. Cl.
CPC ...
356349 ; 73601 ; 73627 ; 356 285 ; 356345 ; 359285 ; 359305 ; 359333 ; 359349 ; 372 13 ;
Abstract
A laser based accelerometer system uses small motion induced shifts in frequency to measure the motion of an object without contact thereof. This technique is particularly useful for determining the vibratory and velocity characteristics of objects that are otherwise inaccessible for direct motion measurement by contact sensors.