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. 12, 1996
Filed:
Jun. 10, 1994
Applicant:
Inventor:
Alain G Bazin, Villejuif, FR;
Assignee:
Schlumberger Industries, S.A., Montrouge, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01F / ;
U.S. Cl.
CPC ...
7386119 ; 3241 / ;
Abstract
A system for measuring the frequency of oscillation of the fluid in a fluid oscillator comprising detector means, a peak detector comprising a threshold device receiving a first signal from the detector means, means for storing the signal at the output of the threshold device and comparator means providing an output signal in accordance with the relative values of the first signal and the signal from the memory means.