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:
Apr. 11, 2017
Filed:
Jul. 02, 2012
Applicants:
Hezi Rahamim, Ramat Gan, IL;
Amir Yosha, Richon le Zion, IL;
Inventors:
Hezi Rahamim, Ramat Gan, IL;
Amir Yosha, Richon le Zion, IL;
Assignee:
NXP USA, INC., Austin, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/947 (2013.01); H04L 12/437 (2006.01); H04L 7/00 (2006.01); H04L 12/42 (2006.01); H04L 12/741 (2013.01); H04L 12/931 (2013.01);
U.S. Cl.
CPC ...
H04L 49/25 (2013.01); H04L 7/0008 (2013.01); H04L 12/422 (2013.01); H04L 12/437 (2013.01); H04L 45/745 (2013.01); H04L 49/351 (2013.01);
Abstract
An EtherCAT packet forwarding system with distributed clocking is provided. The system comprises a master device and a plurality of slaves. The master comprises a processing port and a forward port for being respectively coupled to the at least two Ethernet ports of the master device in a redundant ring topology. The slaves comprise an internal clock indicating a current time, and a slave memory comprising a processing timestamp variable, a forwarding timestamp variable, a temporary timestamp variable and a copy-direct bit.