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:
Jun. 20, 2017
Filed:
Sep. 20, 2013
Applicant:
Phoenix Contact Development and Manufacturing, Inc., Middletown, PA (US);
Inventors:
Michael Colin Cherewka, Mechanicsburg, PA (US);
Brenton Eugene Helfrick, Middletown, PA (US);
Aaron Richard Kreider, Elizabethtown, PA (US);
Assignee:
Phoenix Contact Development and Manufacturing, Inc., Middletown, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/56 (2006.01); G05F 1/613 (2006.01); H02H 9/00 (2006.01);
U.S. Cl.
CPC ...
G05F 1/56 (2013.01); G05F 1/613 (2013.01); H02H 9/00 (2013.01); H02H 9/008 (2013.01);
Abstract
A voltage limiting device for limiting the voltage being transferred from a trunk circuit to a spur circuit of a distributed control network includes an AC signal device that passes the AC data signals between the trunk circuit and the spur circuit.