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:
Apr. 26, 1994
Filed:
May. 12, 1992
Applicant:
Inventor:
Izumi Sakai, Solihull, GB;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01P / ;
U.S. Cl.
CPC ...
364565 ;
Abstract
An apparatus for measuring speed with respect to an object comprises first to Nth sensors sensitive to energy received from first to Nth consecutive regions, respectively, of the object. Signal delay means are provided to delay the signals from the second to Nth sensors, the delay increasing with sensor number. A subtractor is provided to form the difference between the sum of the signals of the even-numbered sensors and the sum of the signals of the odd-numbered sensors.
Sakai, Izumi. (1994). Apparatus for measuring speed (U.S. Patent No. 5307293). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5307293
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