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Telephone interface shut off system

  • US 20100090844A1
  • Filed: 10/10/2008
  • Published: 04/15/2010
  • Est. Priority Date: 10/10/2008
  • Status: Abandoned Application
First Claim
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1. A Gas Alarm Shut Off System with a Telephone Interface System comprising:

  • A smoke detector having a battery, a smoke sensor, an electronic chip, an alarm signal device, a Xbee RF module board.A gas shut off system having an electric wall plug in card, an AC DC converter, a Xbee receiver, a PIC microcontroller, a green led, a yellow led, a red led, a potentiometer, a reset button, an on an off switch, and electric gas solenoid cord, a gas solenoid valve.A telephone interface system having a tone generator, a voice synthesis, a LCD, a keypad, a microphone, a tone decoder, a PIC microcontroller, two phone cords.

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