Rescue guilding system
First Claim
Patent Images
1. A rescue guiding system for underground mine personnel to guide a person from a work area to a refuge bay,said system comprising:
- a network of short-range radio transmitters spaced along a passageway extending from a mine face to a refuge bay, each radio transmitter transmitting a different digitally coded signal, and a radio receiver for each person receiving the coded signals and including an indicating device to indicate the direction the person should take to reach the refuge bay, each receiver having means for decoding the signals and driving the indicating device.
1 Assignment
0 Petitions
Accused Products
Abstract
A rescue guiding system for underground mine personnel to guide the movement of a person during hazardous life-threatening situations from a work area through a passageway to a refuge bay, including a network of short-range radio transmitters each transmitting a different digitally coded signal and a receiver for each person having an indication device to guide the person in the correct direction to reach the refuge bay.
-
Citations
16 Claims
-
1. A rescue guiding system for underground mine personnel to guide a person from a work area to a refuge bay,
said system comprising: -
a network of short-range radio transmitters spaced along a passageway extending from a mine face to a refuge bay, each radio transmitter transmitting a different digitally coded signal, and a radio receiver for each person receiving the coded signals and including an indicating device to indicate the direction the person should take to reach the refuge bay, each receiver having means for decoding the signals and driving the indicating device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
-
-
15. A rescue guiding system for underground mine personnel to guide a person during hazardous life-threatening situations from a work area through a passageway to a refuge bay located in a branch to the passageway,
said system comprising: -
a network of short-range radio transmitters including a plurality of transmitters spaced apart along the passageway a transmitter at the branch to the refuge bay, and a transmitter at the refuge bay, each radio transmitter operating on the same frequency and transmitting a different digitally coded signal, and a radio receiver for each person, each radio receiver including an LED direction indicator having a plurality of LED'"'"'s, said receiver further having means to receive each digital coded signal and decode the signal to drive an LED of the indicator to guide the person in the correct direction to take along the passageway to reach the refuge bay. - View Dependent Claims (16)
-
Specification