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:
Jan. 07, 2020
Filed:
Mar. 12, 2019
Applicant:
Azbil Corporation, Chiyoda-ku, JP;
Inventors:
Osamu Momose, Chiyoda-ku, JP;
Kouichi Mamada, Chiyoda-ku, JP;
Assignee:
AZBIL CORPORATION, Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
G01F 1/60 (2006.01); G01F 1/58 (2006.01);
U.S. Cl.
CPC ...
G01F 1/60 (2013.01); G01F 1/588 (2013.01);
Abstract
A voltage switching circuit applies a high excitation voltage to an excitation switching circuit during a period from an excitation period starting point to a rise point in an excitation period, and applies a low excitation voltage lower than the high excitation voltage to the excitation switching circuit during a period from the rise point to an excitation period ending point in the excitation period. A constant current circuit makes the current of the low excitation voltage to be input from a power supply circuit to the voltage switching circuit constant.