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:
Sep. 25, 2012
Filed:
Apr. 20, 2010
Applicants:
Alex Korol, Diamond Bar, CA (US);
Eduardo Fregoso, Mira Loma, CA (US);
Inventors:
Alex Korol, Diamond Bar, CA (US);
Eduardo Fregoso, Mira Loma, CA (US);
Assignee:
The Toro Company, Bloomington, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A two-wire power and communication system is provided, having a decoder that draws a constant amount of current for communication signals despite changes in the voltage on the power and communication wires. In one example, decoders have a constant current sink circuit that includes a shunt regulator that controls a field effect transistor.