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:
Apr. 16, 2019
Filed:
Apr. 21, 2017
Applicant:
Pixart Imaging Inc., Hsin-Chu, TW;
Inventors:
Feng-Chi Liu, Hsin-Chu, TW;
Yen-Min Chang, Hsin-Chu, TW;
Assignee:
PixArt Imaging Inc., Hsin-Chu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01F 1/06 (2006.01); G05D 7/06 (2006.01); G01F 11/00 (2006.01); G05D 11/00 (2006.01);
U.S. Cl.
CPC ...
G01F 1/065 (2013.01); G01F 11/006 (2013.01); G05D 7/0617 (2013.01); G05D 11/00 (2013.01);
Abstract
A flow amount measuring apparatus comprising: a rotating device, configured to rotate while material flows through the rotating device; a rotating bar, connected to the rotating device, configured to rotate corresponding to rotating of the rotating device; a feature acquiring device, configured to detect at least one feature of the rotating bar; and a computing unit, configured to compute a number for full rotations for the rotating bar based on the feature of the rotating bar, and configured to compute a flow amount for the material flows through the rotating device based on the number for full rotations.