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.

Date of Patent:
Jan. 22, 2019

Filed:

Nov. 05, 2015
Applicant:

Honeywell Technologies Sarl, Rolle, CH;

Inventors:

Graham Whiting, Worthing, GB;

Xiaobo Zhang, Rolle, CH;

Yongxi Zhou, Beijing, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/18 (2006.01); H04L 12/417 (2006.01); H04L 12/433 (2006.01);
U.S. Cl.
CPC ...
H04L 12/417 (2013.01); H04L 12/1895 (2013.01); H04L 12/433 (2013.01);
Abstract

A method of communication between devices of a building management system () over a token ring network, comprising the steps of: a first device receiving () the token () for the token ring network; the first device, in response to receiving the token (), broadcasting () a request message over the network; a second device, in response to receiving the request message over the network, sending a command message to a receiving device over the network; and the first device passing () the token () for the token ring network to a subsequent device on the network.


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