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Automatic garage door response system for carbon monoxide or carbon monoxide and smoke detection

  • US 7,710,284 B2
  • Filed: 02/26/2007
  • Issued: 05/04/2010
  • Est. Priority Date: 03/23/2005
  • Status: Active Grant
First Claim
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1. A garage monitoring and control system for use with an automatic garage door opening mechanism comprising:

  • a controller configured to generate a door move command for moving a garage door between an open and a closed position;

    a smoke detector configured to sense the presence of smoke within the garage and generate an audible alarm when smoke reaches a predetermined level in the garage;

    a carbon monoxide detector configured to sense the presence of carbon monoxide within the garage and generate an audible alarm when carbon monoxide reaches a predetermined level in the garage; and

    a garage door position sensor for determining whether the garage door is in an open or closed condition;

    wherein said door move command of said controller is generate as follows;

    a. If CO is detected first, high concentration, sound alarm and open door immediately;

    b. If CO is detected first, low concentration, sound alarm and wait a time period to see if smoke alarm activates; and

    further if smoke alarm does not activate, open garage door, otherwise do not change the position of the garage door; and

    c. If smoke is detected first, sound alarm and do not change the position of the garage door.

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