Patent ID: 7268683
Filing Date: 2007-09-11
Classification: G08B

Abstract:
1. A detector assembly adapted to be removably secured to a female electrical receptacle connected to a power supply and with said female receptacle mounted at a surface of a structure comprising: a housing, electrically powered circuit mounted in said housing, said circuit including components operable to detect an alarm condition and to provide an alarm in response to said detection; a primary power source including a male electrical connector secured to said housing and extending outwardly therefrom to form an independent mounting support for said housing, said male electrical connector being configured to be removably engageable in said female electrical receptacle and being operative to complete an electrical circuit therewith to receive power therefrom and deliver said power to said circuit; a secondary power source including a battery connector mounted within said housing and adapted to removably receive a battery contained within said housing; said circuit adapted to draw power from said secondary source in the event of a detected loss of power from said primary source; a sensor for sensing displacement of said housing from said surface of said structure; said circuit further adapted to provide an audible alarm in response to said displacement.