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:
Mar. 16, 1988
Applicant:
Inventor:
Richard Talbot, Romsey, GB;
Assignee:
Stewart Hughes Limited, Hampshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V / ;
U.S. Cl.
CPC ...
2502221 ; 356 28 ; 250561 ;
Abstract
The present invention relates to a detector for a blade tracking system. The detector comprises a lens for focusing in a plane a bundle of radiation passing therethrough. Two or more radiation sensors are disposed within the plane, in such an arrangement that an object passing through the radiation bundle is sensed sequentially by the sensors.