US Patent 7408305 Codable electronic circuit arrangement and method for producing it

A codable electronic circuit arrangement, in particular an LED circuit arrangement (1), having a lead (3), via which electronic circuit elements (6) of the circuit arrangement, in particular LED components, can be driven by a drive circuit (2; 20; 21; 22). The lead (3) has a plurality of coding conductors (3c, 3d), which carry a code via a combination of electrically interrupted and electrically continuous coding conductors (3c, 3d), wherein the code gives an indication of specific properties of the circuit arrangement.