An assembly for visually indicating signals generated by an electrical circuit and a light diffuser therefor. Light emitting diodes disposed upon a circuit board and housed within a housing structure are connected to an electrical circuit and generate light responsive to signals generated by the electrical...http://www.google.es/patents/US5577267?utm_source=gb-gplus-sharePatente US5577267 - Assembly for visually indicating signals generated by an electrical circuit and light-diffusing interface apparatus therefor
Assembly for visually indicating signals generated by an electrical circuit ...
