Patent ID: 7508141

Claim:
A lamp module comprising: a housing support; a voltage/current supply line, having an first end and a second end, and supported by said housing support; a ground line having a first end and a second end and supported by said housing support; a first control line supported by said housing support, having a first end and a second end; a second control line supported by said housing support, having a first end and a second end; a controller having a first connection to said second end of said first control line, at least one current switching input, and a second connection to said first end of said second control line output, and a power input connected to said voltage/current supply line, a ground connection connected to said ground line, said controller configured to control access of said current switching input to said ground line; at least one light emitting diode having a current input connected to said voltage/current supply line and a current output connected to a corresponding current switching input of said controller.