Patent ID: 7852224
Filing Date: 2010-12-14
Classification: G08B

Abstract:
1. A door announcement system for indicating the presence of a person or an animal at a door, said system comprising: a plurality of transmitting assemblies, each of said transmitting assemblies being actuatable to send an indicator signal; at least one receiving assembly engaging an electrical outlet to provide power to said at least one receiving assembly, said at least one receiving assembly being in electrical communication with a lamp to turn the lamp on and off when said at least one receiving assembly receives the indicator signal from a transmitting one of said transmitting assemblies; said at least one receiving assembly including a microprocessor and an audio emitter electrically coupled to said microprocessor, said audio emitter being actuated by said microprocessor to emit an audible sound when said microprocessor receives said indicator signal, said microprocessor actuating said audio emitter to emit in a unique audio tone for each of said transmitting assemblies to indicate which one of said transmitting assemblies has been actuated.