Automatic signal reader using color separation

Claim 2

AN ELECTRICAL-OPTICAL SIGNAL READER SYSTEM FOR DETERMINING THE COLOR AND LOCATION OF A SIGNAL MARK WITHIN A SPACE OF A POSSIBLE MATRIX OF SPACES ON A MESSAGE MEDIUM, THERE BEING A FIRST PREDETERMINED NUMBER, INCLUDING ONE, OF POSSIBLE COLORS AND A SECOND PREDETERMINED NUMBER, INCLUDING ONE, OF POSSIBLE MATRIX SPACES, THE SYSTEM COMPRISING: AN ILLUMINATING SYSTEM FOR DIRECTING LIGHT UPON THE MATRIX SPACES; AT LEST ONE COLOR DISTINGUISHING NETWORK SAID NETWORK INCLUDING A NUMBER, EQUAL TO AT LEAST THE LOGARITHM TO THE BASE TWO OF SAID FIRST PREDETERMINED NUMBER, OF COLOR IDENTIFYING MEANS WHICH EACH COMPRISE IN IN-BAND COLOR PASS FILTER, A COMPLEMENTARY COLOR PASS FILTER, AT LEAST ONE PHOTO-DETECTOR, AND AN ELECTRICAL SIGNAL AMPLITUDE COMPARISON MEANS COUPLED TO SAID PHOTO-DETECTOR TO DETERMINE THE RELATIVE INTENSITIES OF LIGHT INCIDENT UPON SAID IN-BAND PASS FILTER AND THAT INCIDENT UPON SAID COMPLEMENTARY PASS FILTER; EMANATING LIGHT RECEIVING MEANS INCLUDING A LIGHT ENERGY SPECTRUM BAND SEPARATOR FOR COUPLING EMANATING LIGHT FROM SAID MATRIX SPACES TO EACH OF SAID FILTERS OF SAID COLOR DISTINGUISHING NETWORK; AND AT LEAST ONE SIGNAL PATTERN ANALYZING MEANS, COUPLED TO THE OUTPUTS OF SAID COLOR IDENTIFYING MEANS FOR RECOGNIZING PATTERNS OF SAID SIGNAL MARKS.