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Decryption of access codes of diverse protocols in barrier operator systems

  • US 9,388,621 B2
  • Filed: 05/22/2012
  • Issued: 07/12/2016
  • Est. Priority Date: 05/24/2011
  • Status: Active Grant
First Claim
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1. A barrier operator system for controlling a motor to move a barrier between open and closed positions, comprising:

  • remote control transmitter devices capable of each transmitting encrypted commands of first and second encryption protocols; and

    a barrier operator, including a receiver, comprising a microcontroller configured to decrypt encrypted commands of said first and second encryption protocols, thereby to actuate said motor in accordance with such differently encrypted commands;

    wherein the microcontroller is also configured to, based on receipt of a first user input, enter a learn mode which permits selection of one of multiple different operational parameters of the barrier operator for adjustment, the selection being based upon a second user input subsequent in time to the first user input;

    wherein a given one of the multiple different operational parameters comprises which encrypted commands of the second encryption protocol are known by the microcontroller, and wherein permission of the selection of the given one of the multiple different operational parameters is based upon the second user input being receipt of a known encrypted command of the first encryption protocol;

    wherein the microcontroller is also configured to, when in the learn mode and the given one of the multiple different operational parameters is selected, learn a new encrypted command of the second encryption protocol.

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