Methods and devices for communicating over a building management system network
US10187222B2 · kind B2 · utility
2Cited by
45References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 5, 2015 |
| Grant date | Jan 22, 2019 |
| Priority date | — |
| Expiry date | Feb 16, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L12/433
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method of communication between devices of a building management system (1) over a token ring network, comprising the steps of: a first device receiving (101) the token (2) for the token ring network; the first device, in response to receiving the token (2), broadcasting (105) 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 (107) the token (2) for the token ring network to a subsequent device on the network.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.