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:
Aug. 09, 1977
Filed:
Oct. 14, 1975
Applicant:
Inventors:
Peter Leendert Holster, Eindhoven, NL;
Adam Ooms, Eindhoven, NL;
Marinus Johannes VAN DEN Hoogen, Venlo, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01H / ; G01P / ;
U.S. Cl.
CPC ...
73 71 ; 73515 ;
Abstract
A transducer for measuring the amplitude of vibration of a member vibrating at a constant frequency. An outflow aperture is supplied from a compressed air supply, and opposite to the outflow aperture an obstructing element is arranged which can close the outflow aperture, the outflow aperture and element undergoing relative motion transverse to the direction of air flow. The average quantity of outflowing air is measured.