Photographic apparatus

Claim 1

PHOTOGRAPHIC APPARATUS FOR AUTOMATICALLY MAKING A PREDETERMINED NUMBER OF PRINTS FROM A SERIES OF NEGATIVE FRAMES IN THE FORM OF A LENGTH OF FILM, SAID APPARATUS COMPRISING: PAPER ADVANCE MEANS OPERATIVE TO ADVANCE A LENGTH OF PRINT PAPER ACROSS AN EXPOSURE AREA; PAPER ADVANCE CONTROL MEANS ELECTRICALLY ACTUABLE TO OPERATE SAID PAPER ADVANCE MEANS TO ADVANCE SAID PRINT PAPER ACROSS SAID EXPOSURE AREA; MEANS FOR PROJECTING A BEAM OF LIGHT AND INCLUDING LIGHT CONTROL MEANS ELECTRICALLY ACTUABLE TO EFFECT PROJECTION OF SAID BEAM ONTO SAID PRINT PAPER AT SAID EXPOSURE AREA, AND, AFTER A PREDETERMINED TIME INTERVAL, GENERATE AN OUTPUT SIGNAL; FILM TRANSPORT MEANS OPERATIVE TO ADVANCE A LENGTH OF FILM ACROSS THE PATH OF SAID BEAM; FILM ACTUATOR MEANS ENGAGEABLE WITH SAID FILM TRANSPORT MEANS AND ELECTRICALLY ACTUAABLE TO OPERATE SAID FILM TRANSPORT MEANS; A LENS POSITIONED IN THE PATH OF SAID BEAM BETWEEN SAID PRINT PAPER AND SAID FILM; CONTROL APPARATUS IN ELECTRICAL CIRCUIT WITH SAID LIGHT CONTROL MEANS AND SAID PAPER ADVANCE CONTROL MEANS AND OPERATIVE IN RESPONSE TO AN ELECTRICAL SIGNAL TO ACTUATE SAID LIGHT CONTROL MEANS, AND OPERATIVE IN RESPONSE TO SAID OUTPUT SIGNAL OF SAID LIGHT CONTROL MEANS TO ACTUATE SAID PAPER ADVANCE CONTROL MEANS; COUNTER MEANS FOR REPEATELY GENERATING SEPARATE FIRST AND SECOND ELECTRICAL SIGNALS TO OPERATE SAID CONTROL APPARATUS AND SAID FILM ACTUATOR MEANS, RESPECTIVELY, SAID COUNTER MEANS INCLUDING CLOCK MEANS CONNECTED IN PARALLEL WITH SAID LIGHT CONTROL MEANS TO COUNT EACH ELECTRICAL ACTUATION OF SAID LIGHT CONTROL MEANS BY SAID FIRST SIGNALS TO THEREBY CONTROL THE GENERATION, INTERVAL AND NUMBER OF SAID FIRST AND SECOND ELECTRICAL SIGNALS IN ACCORDANCE WITH A PREDETERMINED SETTING OF SAID COUNTER MEANS; AND SWITCH MEANS IN CIRCUIT WITH SAID FILM ACTUATOR MEANS AND SAID COUNTER MEANS, AND ENGAGEABLE BY SAID PAPER ADVANCE MEANS UPON ACTUATION THEREOF TO CONVEY SAID SECOND SIGNALS FROM SAID COUNTER MEANS FOR ELECTRICAL ACTUATION OF SAID FILM ACTUATOR MEANS.