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Home security and garage door operator system

  • US 4,360,801 A
  • Filed: 04/14/1980
  • Issued: 11/23/1982
  • Est. Priority Date: 04/14/1980
  • Status: Expired due to Term
First Claim
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1. In an automatic garage door operating system having actuator means for controlling the position of the garage door in response to user-initiated door opening and closing signals, the improvement comprising;

  • toxic gas detector means for sensing the level of toxic gas in the garage, operative to provide an output signal when the level of toxic gas exceeds a predetermined level;

    means for coupling the output of said toxic gas detector means to said actuator means to open the garage door in response to the output signal from said toxic gas detector means; and

    lockout means for preventing said actuator means from closing the door as long as the toxic gas detector means senses an excessive level of toxic gas in the garage.

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