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:
Oct. 23, 2001
Filed:
Apr. 02, 1999
Applicant:
Inventors:
Chien-Hsin Lai, Kaohsiung Hsien, TW;
Fu-Yang Yu, Hsinchu, TW;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01G 1/302 ; G01G 2/301 ;
U.S. Cl.
CPC ...
G01G 1/302 ; G01G 2/301 ;
Abstract
A chemical mixer tank calibrator and a calibrating method for the same. The chemical mixer tank calibrator calibrates the weight of the mixer tank through a step motor. Once the chemical in the mixer tank is used up, the mixer tank can be automatically filled with chemical. Thus, the chemical in the mixer tank can adequately supply the buffer tank and the machine at any given time.