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:
Feb. 18, 1986
Filed:
Jul. 14, 1983
Applicant:
Inventors:
Alain Baumaire, Paris, FR;
Thierry Desmas, Montigny le Bretonneux, FR;
Guy Vambenepe, Rueil Malmaison, FR;
Assignee:
Service National Electricite de France, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01M / ;
U.S. Cl.
CPC ...
73658 ; 73 4 / ; 376252 ;
Abstract
Apparatus for detecting the evolution of an acoustic signal, comprising an acoustic sensor, as well as circuits for the amplification, filtering, detection and measurement of the effective value of the signal supplied by the sensor. The apparatus comprises a smoothing circuit, a sawtooth generator, an adder, a circuit for adjusting the effective value by straight segments and a circuit for carrying out sequence tests. The apparatus is adapted for use in the monitoring of steam generators in fast neutron reactors.