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System and method for activating a deactivated device by standardized messaging in a network

  • US 5,983,353 A
  • Filed: 01/21/1997
  • Issued: 11/09/1999
  • Est. Priority Date: 01/21/1997
  • Status: Expired due to Term
First Claim
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1. A network interface for connecting a device to a network, the device coupled to a power supply supplying operating power to the device, the network interface comprising:

  • a network interface controller having an input terminal coupled to the network for receiving messages in a generic format from one or more transmitting devices connected to the network and having a control signal output terminal coupled to the device for communicating a device activation signal to the device, the network interface controller including;

    a control logic operative for determining whether the received message in a generic format includes message conditions that are authorized message conditions and generating the activation signal to the device based on the determination, wherein;

    the message conditions include an authorized message time and datea power source coupled to the network interface for supplying operating power to the network interface independently from the power supply supplying operating power to the device; and

    the device having a designated device address, the received message in a generic format designating a target device address, and the network interface controller including a control logic operative for awaiting receipt of a message from a transmitting device, reading a target device address included within a message in response to receipt of the message, determining whether the target device address matches the designated device address, and generating the activation signal to the device based on the determination.

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