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:
Jan. 24, 2017
Filed:
Feb. 11, 2015
Applicant:
Rockwell Automation Asia Pacific Business Centre Pte. Ltd., Singapore, SG;
Inventors:
Chia Leong Chin, Singapore, SG;
Yee Shing Chew, Singapore, SG;
Tai Hock Khoo, Singapore, SG;
Kok Kiong Lee, Singapore, SG;
Assignee:
Rockwell Automation Asia Pacific Business Centre Pte. Ltd., Singapore, SG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H 9/04 (2006.01); G05F 3/24 (2006.01); H03L 5/00 (2006.01);
U.S. Cl.
CPC ...
H02H 9/04 (2013.01); G05F 3/24 (2013.01); H03L 5/00 (2013.01);
Abstract
A high-speed input circuit for industrial control provides an optoisolator protected by a series current regulator and shunting voltage regulator. The combined effect of the regulators is to allow the input circuit to work over a wide range of voltages while providing extremely fast response time.