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:
May. 10, 2011
Filed:
Aug. 28, 2009
Brenton Eugene Helfrick, Middletown, PA (US);
Aaron Richard Kreider, Elizabethtown, PA (US);
Brian James Vogt, Harrisburg, PA (US);
Davis Mathews, Lewisberry, PA (US);
Brenton Eugene Helfrick, Middletown, PA (US);
Aaron Richard Kreider, Elizabethtown, PA (US);
Brian James Vogt, Harrisburg, PA (US);
Davis Mathews, Lewisberry, PA (US);
Phoenix Contact Development & Manufacturing, Inc., Middletown, PA (US);
Abstract
A modular system for transmitting power and data between a control processor that receives and transmits signals along a trunk of a distributed control network, and one or more field devices located in a hazardous area includes a backplane bus and a trunk module connected to the backplane and interconnecting the trunk and backplane. Intrinsically safe spur modules are removably attached to the backplane.