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Sound, temperature and motion alarm for vehicle occupants and pets

  • US 9,919,646 B1
  • Filed: 02/24/2016
  • Issued: 03/20/2018
  • Est. Priority Date: 10/05/2012
  • Status: Active Grant
First Claim
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1. A vehicle temperature alarm system, comprising:

  • a sound detector, motion detector and a temperature sensor adapted for a vehicle;

    a power supply for supplying power to the sound detector, the motion detector and the temperature sensor;

    an alarm attached to the sound detector, the motion detector and the temperature sensor;

    a listen mode where the sound detector is powered on by the power supply, and both the motion detector and the temperature sensor are turned off from the power supply;

    a temperature sensor power mode where the temperature sensor is turned on from the power supply when the sound detector picks up a sound in the vehicle; and

    a motion detector power mode where the motion detector is turned on from the power supply when a selected temperature is detected by the temperature sensor, and wherein the alarm is activated when a selected motion level is detected in the vehicle by the motion detector.

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