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:
Jun. 11, 2002
Filed:
Sep. 06, 2000
Applicant:
Inventor:
Nicolas Martin, Amay, BE;
Assignee:
University of Liege, Liege, BE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01J 1/42 ;
U.S. Cl.
CPC ...
G01J 1/42 ;
Abstract
Photometer comprising a photo diode, arranged for producing an electric current, proportional to the intensity of picked-up light, the photo diode being linked by the intermediate of a resistance to an operational amplifier equipped with a bandpass filter, the value of the resistance is sized in such way as to level the resonance peak in the pass-band of the filter.