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:
Sep. 25, 1990
Filed:
Oct. 11, 1988
Applicant:
Inventors:
Mitchell L Thomspon, Exton, PA (US);
Kyung T Park, Upper Darby, PA (US);
Kumar Ogale, Philadelphia, PA (US);
William B Powers, Exton, PA (US);
Assignee:
Atochem North America, Inc., Philadelphia, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01P / ;
U.S. Cl.
CPC ...
364565 ; 364550 ; 377 20 ; 324178 ; 73493 ; 73506 ; 73510 ;
Abstract
A device for measuring the speed of a moving object has first and second impact detectors separated by a preselected known distance and disposed in the path of movement of the object. As the object strikes the first and second detectors, the detectors each produce a signal. The signals are separated by a time interval indicative of the distance between the detectors. The elapsed time between the signals is measured by a counter device, and the speed of the object is calculated by a programmable device.