Smoke and carbon monoxide detector with clock

Details Smoke and carbon monoxide detector with clock Smoke and carbon monoxide detector with clock

1998-06-16

1999-08-10

Hofsass, Jeffery A.

Communications: electrical

Condition responsive indicating system

Specific condition

3406935, 340515, G08B 1700

Patent

active

059365323

ABSTRACT:
A smoke and carbon monoxide detector for mounting upon a wall, having a housing having a front face. A clock having clock hands and clock indicia is present on the front face. The detector comprises a smoke detector element, a carbon monoxide detector element, and has an annunciator which sounds upon the presence of smoke or carbon monoxide. A deactivation button allows the annunciator to be temporarily deactivated in the event of a clearly false warning. The deactivation button also initiates a timing operation so that the annunciator is automatically re-enabled at the end of a predetermined time interval.

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patent: 4949077 (1990-08-01), Mbuthia
patent: 5289165 (1994-02-01), Belin
patent: 5594422 (1997-01-01), Huey, Jr. et al.

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