Programmable light activated emergency marking system

Details Programmable light activated emergency marking system Programmable light activated emergency marking system

H - Electricity

05

B

315/22

H05B 39/10 (2006.01) H05B 37/02 (2006.01) H05B 39/04 (2006.01) H05B 39/09 (2006.01)

Patent

CA 1290385

ABSTRACT A programmable light activated emergency marking system operates from rechargeable or non-rechargeable batteries or a rectified AC current,upon reduction of surrounding light levels below that of a set threshold level. Included are provisions for varying the threshold level of light required for activation as well as the length of time the system provides flashing illumination once the said system has been activated.

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