Patent ID: 9601947
Date: 2017-03-21
CPC Classifications: E03B,F16K,F17D,G01V,H02J,H04L,Y02A,Y10T

Claim:
1. A utilities control system comprising: a DC powered control system located within a building or room and comprising in combination an occupant activation device, a seismic sensor and a wireless transmitter; a wireless receiver in combination with a utilities shut-off device; wherein said occupant activation device comprises the combination of a light transmitter, a light detector and a removable light blocking member positioned to prevent light from said light transmitter from reaching said light detector, whereby removal of said light blocking member changes the status of said occupant activation device; whereby upon either a change in status of said occupant activation device or the sensing of a seismic event by said seismic sensor, a signal is transmitted from said wireless transmitter to said wireless receiver such that said utilities shut-off device is activated.