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. 30, 2016
Filed:
Dec. 21, 2012
Applicant:
Rosemount Inc., Chanhassen, MA (US);
Inventor:
Mark S. Schumacher, Minneapolis, MN (US);
Assignee:
Rosemount Inc., Chanhassen, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 3/00 (2006.01); G01F 23/284 (2006.01); G01F 15/06 (2006.01); G01F 23/00 (2006.01);
U.S. Cl.
CPC ...
G01F 23/284 (2013.01); G01F 15/068 (2013.01); G01F 23/00 (2013.01);
Abstract
A two-wire process variable indicator includes a housing having a plurality of terminals disposed therein. The terminals are coupleable to a two-wire process control loop. A power module is coupled to the plurality of terminals to receive current flow from the process control loop. Driver circuitry is coupled to the power module and a microencapsulated electrophoretic display is coupled to the driver circuitry.