Shutter diaphragm construction for photographic cameras

Claim 1

IN A CAMERA, IN COMBINATION, A PLURALITY OF BLADES ADAPTED TO ACT BOTH AS SHUTTER AND AS DIAPHRAGM BLADES; DIAPHRAGM RING MEANS AND SHUTTER RING MEANS OPERATIVELY CONNECTED TO SAID BLADES FOR TURNING THE LATTER WHEN EITHER ONE OF SAID RING MEANS TURNS RELATIVE TO THE OTHER, SAID DIAPHRAGM RING MEANS BEING TURNABLE FOR SETTING SAID BLADES AT POSITIONS WHICH WILL PROVIDE SELECTED APERTURES AND SAID SHUTTER RING MEANS TURNING TO DRIVE SAID BLADES BETWEEN OPEN AND CLOSED POSITIONS TO MAKE AN EXPOSURE EXPOSURE-TIME SETTING MEANS; ADJUSTING RING MEANS OPERATIVELY CONNECTED WITH SAID DIAPHRAGM RING MEANS FOR ADJUSTING THE LATTER AND HAVING A CAMMING PORTION COOPERATING WITH SAID EXPOSURE-TIME SETTING MEANS FOR ADJUSTING THE LATTER; LIGHT-MEASURING MEANS FOR MEASURING THE LIGHT INTENSITY; AND SCANNING MEANS CONNECTED WITH SAID ADJUSTING RING MEANS FOR SCANNING SAID LIGHT-MEASURING MEANS TO DETERMINE AN ANGULAR POSITION OF SAID ADJUSTING RING MEANS IN ACCORDANCE WITH THE LIGHTING CONDITIONS, SO THAT SAID ADJUSTING RING MEANS WILL SET SAID DIAPHRAGM RING MEANS AND SAID EXPOSURE-TIME SETTING MEANS ACCORDING TO THE LIGHT MEASURED BY SAID LIGHT-MEASURING MEANS.