Signal lamp and focusing reflector

Claim 1

A SIGNAL LAMP UNIT COMPRISING: A REFLECTIVE SYSTEM INCLUDING AN ELLIPSOIDAL REFLECTOR AND A SPHERICAL REFLECTOR SEGMENT; A LIGHT SOURCE POSITIONED AT ONE FOCAL POINT OF SAID ELLIPSOIDAL REFLECTOR AND CAPABLE OF BEING TURNED ON AND OFF; THE SPHERICAL REFLECTOR BEING LOCATED OPPOSITELY WITH RESPECT TO THE ELLIPSOIDAL REFLECTOR SUCH THAT THE FOCAL POINT OF THE SPHERICAL REFLECTOR IS POSITIONED AT SAID ONE FOCAL POINT, SAID SPHERICAL REFLECTOR INCLUDING AT LEAST ONE PORTION HAVING A RADIUS EQUAL TO THE DISTANCE BETWEEN THE FOCAL POINTS OF SAID ELLIPSOIDAL REFLECTOR AND CONNECTING SAID FOCAL POINTS, AND A SMALL OPENING LOCATED AT THE OTHER FOCAL POINT OF SAID ELLIPSOIDAL REFLECTOR WHEREBY LIGHT EMANATING FROM SAID SOURCE AND IMPINGING UPON SAID SPHERICAL REFLECTOR WILL BE DIRECTED THROUGH SAID ONE FOCAL POINT AND REFLECTED BY SAID ELLIPSOIDAL REFLECTOR TO THE OTHER FOCAL POINT AND THROUGH SAID SMALL OPENING; MEANS FOR IMPARTING A DESIRED COLOR TO THE LIGHT RAYS REFLECTED BY SAID REFLECTIVE SYSTEM AND PASSING THROUGH SAID SMALL OPENING; AND A CRYSTAL LIGHT DIRECTING LENS POSITIONED TO ACCEPT THE LIGHT OF THE DESIRED COLOR PASSING THROUGH SAID SMALL OPENING WHEN THE LIGHT SOURCE IS TURNED ON, SAID LENS BEING SO LOCATED WITH RESPECT TO SAID SPHERICAL REFLECTOR THAT THE SPHERICAL REFLECTOR INTERCEPTS LIGHT RAYS EMANATING FROM THE SOURCE IN THE DIRECTION OF THE LENS AND NOT PASSING THROUGH SAID OTHER FOCAL POINT.