Patent ID: 7130666

Claim:
A battery charger for a cellular phone for use in a vehicle having a cigarette lighter receptacle, said charger comprising: a housing having first and second ends, said first end of said housing being dimensioned for slip fit engagement into the cigarette lighter receptacle and includes electrical contacts for electrically communicating with complementary electrical contacts disposed within the cigarette lighter receptacle, said second end of said housing having an electrical conductor attached thereto that terminates in an electrical connector for connecting to the cellular phone; a charger circuit disposed within said housing; said charger circuit in electrical communication with said electrical contacts of said housing and said electrical conductor; a visual indicator circuit having at least one light source supported within said housing a reset button disposed on said housing and in communication with said visual indicator circuit; and an incoming call sensing circuit in electrical communication with said visual indicator circuit, said incoming call sensing circuit operative to detect an incoming call signal to said cellular phone and to produce an electrical signal in response to detecting said incoming call signal, said incoming call sensing circuit being further operative to communicate said electrical signal to said visual indicator circuit for causing said at least one light source to illuminate after an incoming call signal has been detected until said visual indicator circuit has been reset.