Christmas ornament hazard detector

Details Christmas ornament hazard detector Christmas ornament hazard detector

1997-05-21

1998-10-13

Mullen, Jr., Thomas J.

Communications: electrical

Condition responsive indicating system

Specific condition

340628, 340629, G08B 1710

Patent

active

058218653

ABSTRACT:
A smoke/heat detector in the form of a Christmas tree ornament utilizes a spherical ornament housing divided by a fire-resistant barrier into lower and upper chambers. A transmitter circuit is mounted atop the barrier and transmits signals to a remote receiver upon detection of entry of smoke or heat into the lower chamber by means of sensors therein. Upon receipt of the transmitted signals by a remote receiver, an energized alarm circuit sounds an alarm indicative of the smoke or fire presence. Both circuits include SCR components and internal power sources so that the circuits, once initially energized, will continue to transmit signals and/or sound the alarm after initial start up.

REFERENCES:
patent: 3806921 (1974-04-01), Pappas
patent: 4075614 (1978-02-01), White
patent: 4623878 (1986-11-01), Schoenwetter
patent: 4845474 (1989-07-01), Moore et al.
patent: 4924206 (1990-05-01), Ayers
patent: 5396221 (1995-03-01), Bridges
patent: 5589824 (1996-12-01), Lynch
patent: 5625345 (1997-04-01), Stark et al.

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