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. 03, 1981
Filed:
Dec. 31, 1979
Applicant:
Inventors:
Kyoichi Ikeda, Musashino, JP;
Motoyoshi Ando, Musashino, JP;
Assignee:
Yokogawa Electric Works, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01L / ; G01H / ;
U.S. Cl.
CPC ...
73 3 / ; 73579 ; 73702 ;
Abstract
A vibration type transducer is provided in which various physical quantities, for example, the pressure, density, force and temperature are measured from the natural frequencies of the mechanically vibrated vibrator. The vibrating element is vibrated in a plurality of vibration modes and a plurality of resultant frequency signals are processed to obtain signals associated with the various physical quantities. The system is not influenced by physical quantity other than the physical quantity to be measured.