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. 22, 2017
Filed:
Mar. 29, 2010
Weijia Wen, Kowloon, HK;
Limu Wang, Kowloon, HK;
Mengying Zhang, Kowloon, HK;
The Hong Kong University of Science and Technology, Kowloon, HK;
Abstract
An apparatus for controlling flow of ER fluid. The apparatus has a first channelfor conveying carrier fluidof a first dielectric constant and dropletsof a second dielectric constant in the carrier fluid. The apparatus further comprises a second channelconveying the ER fluid and a first conductorfor conveying an electrical potential from the second channel to the first channel. A circuitis provided for applying potential difference between the first and second channels. When a droplet is present in the first channel, the ER fluid is solidified in the second channel; when no droplet is present, the ER fluid flows as liquid in the second channel. Therefore the apparatus acts as an IF gate. Arrangements for other types of fluidic logic gate are also disclosed.