Telephone-controlled electrical switch

Details Telephone-controlled electrical switch Telephone-controlled electrical switch

1994-12-14

1999-02-16

Woo, Stella

Telephonic communications

Emergency or alarm communications

Responsive to sensed nonsystem condition

379 37, 379386, 379396, 340332, H04M 1100

Patent

active

058728325

ABSTRACT:
A telephone operated electrical switch for selectively energizing an electrical load in response to dialing of a predetermined telephone number. The electrical load may be the exterior light fixture of a dwelling, and the switch assembly may be configured to automatically flash the light on and off in response to the occupant dialing "9-1-1", so as to assist emergency response personnel in locating the dwelling.

REFERENCES:
patent: 4556863 (1985-12-01), Devitt
patent: 4730184 (1988-03-01), Bach
patent: 4878236 (1989-10-01), Ray et al.
patent: 4931780 (1990-06-01), LaMont et al.
patent: 4935951 (1990-06-01), Robinson et al.
patent: 4993058 (1991-02-01), McMinn et al.
patent: 5012507 (1991-04-01), Leighton et al.

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