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:
Dec. 05, 2017
Filed:
Sep. 03, 2015
Applicant:
Commissariat À L'énergie Atomique ET Aux Énergies Alternatives, Paris, FR;
Inventor:
Robert Boden, Dourdan, FR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 19/00 (2006.01); G01R 15/14 (2006.01); H03F 3/45 (2006.01); G01R 29/24 (2006.01);
U.S. Cl.
CPC ...
G01R 19/0061 (2013.01); G01R 15/14 (2013.01); G01R 19/0092 (2013.01); G01R 29/24 (2013.01); H03F 3/45475 (2013.01);
Abstract
A device for measuring very low current closes to femto Ampere using an integration, includes a first operational amplifier connected as an integrator, and a second operational amplifier connected as an original current generator which can compensate for leakage current in the circuit measurement state and reset the QO charge of the integration capacitor in the reset state.