Patent ID: 6696971
Filing Date: 2004-02-24
Classification: G08B

Abstract:
An adapter for use in a light fixture having a socket into which a base of a light bulb is screwed comprising:a housing one end of which is screwed into the socket of the light fixture in place of the light bulb for electrical current to the light fixture to flow to the adapter; a light socket installed in the housing and into which the base of the light bulb is screwed for the electrical current to flow to the light bulb and illuminate the bulb; an audio alarm for a security system mounted in the housing and electrically connected to the light socket for electrical current routed to the adapter through the light fixture to simultaneously illuminate the light bulb screwed into the socket of the adapter and the audio alarm; and, electrical circuitry controlling operation of the audio alarm and including a normally closed delay on make relay, the electrical circuitry and the relay being connected in parallel with the bulb and in series with the audio alarm, the relay providing a time delay between detection of a movement, which immediately energizes the light bulb and activates the audio alarm, and subsequent deactivation of the audio alarm.