Patent ID: 7893825

Claim:
A selective hazardous condition detector, comprising: a) means for interconnecting said selective hazardous condition detector to a second selective hazardous condition detector; b) means for detecting a select hazardous condition; c) means for generating an alarm signal corresponding to a detected select hazardous condition; d) memory means for recognizing said alarm signal; e) latch means switchable between an unlatched state and a latched state, said latched state being established in response to said alarm signal and said latched state existing for a preset time period; f) means for selectively actuating said memory means and switching said latch means to said latched state; and g) actuatable reset means for resetting the state of said latch means; h) whereupon actuating said latch reset means switches said latch means from the latched to the unlatched state after said preset time period while switching the latched means to said unlatched state immediately in said second selective hazardous condition detector.