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:
Nov. 14, 1995
Filed:
Jan. 28, 1994
Applicant:
Inventor:
Didier Merletti, Mornant, FR;
Assignee:
Rexroth Sigma, Venissieux, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
2502 / ; 2502 / ;
Abstract
Method for compensating an output signal of a photoelectric sensor having a drift due to aging a drift in temperature and a signal in absence of optical excitation (dark signal), in an electrical proportional remote control apparatus of the manipulation or analog type comprising an actuation member or actuation part for progressive displacement functionally associated to at least one photoelectric sensor adapted to generate an electrical signal of which one parameter is representative for the displacement and/or the position of said actuation member.