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Wireless building control system bridge

  • US 7,986,701 B2
  • Filed: 06/13/2008
  • Issued: 07/26/2011
  • Est. Priority Date: 06/13/2008
  • Status: Active Grant
First Claim
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1. A building control system, comprising:

  • a bridge having a first port for communicating over a wired network using a wired network communications protocol and a second port for communicating over a wireless network using a wireless network communications protocol;

    a building controller configured to control one or more portions of the building control system, the building controller coupled to the first port of the bridge via a wired network and configured to request data from the bridge using the wired network communications protocol;

    wherein the bridge is configured to receive data from one or more remotely located building controllers via the wireless network, and for storing the data in a cache memory, the bridge is further configured to provide requested data to the building controller via the wired network upon receiving a request from the building controller; and

    wherein the bridge is configured to monitor a history of requests received from the building controller, and to learn an expected next request time, so that the bridge can update the cache memory prior to receiving a subsequent request from the building controller.

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