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Synchronized network for battery backup

  • US 10,057,859 B2
  • Filed: 11/06/2012
  • Issued: 08/21/2018
  • Est. Priority Date: 11/06/2012
  • Status: Active Grant
First Claim
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1. A method performed by a network device in a network, the method comprising:

  • establishing a synchronized sleep schedule with the network, wherein the synchronized sleep schedule includes alternating periods of a transmission window and periods outside the transmission window;

    transmitting data during the transmission window and periods outside the transmission window of the synchronized sleep schedule when in a mains-power mode of operation;

    detecting an interruption of mains power to the network device;

    in response to detecting the interruption of mains power to the network device, transitioning the network device to a low-power mode of operation; and

    transmitting data only during the transmission window of the synchronized sleep schedule when in the low-power mode, wherein the network device is configured to transmit and receive data with every other network device during the transmission window when in the low-power mode.

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