Photographic device responsive to both incident and reflected light

Claim 1

A PHOTOGRAPHIC DEVICE COMPRISING A BODY, A REFLECTED-LIGHT ACCEPTANCE SYSTEM CARRIED BY SAID BODY AND INCLUDING A REFLECTED-LIGHT COLLECTOR FACING IN A FIRST DIRECTION AT A LOCATION TO RECEIVE LIGHT APPROACHING SAID DEVICE FROM A PHOTOGRAPHIC SCENE OFFSET IN SAID FIRST DIRECTION FROM THE DEVICE, SAID SYSTEM INCLUDING A FIRST PHOTOELECTRIC CELL POSITIONED TO RECEIVE AND RESPOND TO LIGHT FROM SAID REFLECTED-LIGHT COLLECTOR, AN INCIDENT-LIGHT ACCEPTANCE SYSTEM CARRIED BY SAID BODY AND INCLUDING A TRANSLUCENT CONVEX INCIDENT-LIGHT COLLECTOR FACING IN A DIRECTION ESSENTIALLY THE OPPOSITE OF SAID FIRST DIRECTION AT A LOCATION TO ACCEPT LIGHT APPROACHING SAID DEVICE FROM A REMOTE LIGHT SOURCE OFFSET FROM THE DEVICE IN SAID OPPOSITE DIRECTION; SAID INCIDENT-LIGHT ACCEPTANCE SYSTEM INCLUDING A SECOND PHOTOELECTRIC CELL POSITIONED TO RECEIVE AND RESPOND TO LIGHT FROM SAID INCIDENT-LIGHT COLLECTOR, AN ELECTRICALLY OPERATED UNIT RESPONSIVE TO SAID CELLS, AND ELECTRICAL CIRCUITRY CONNECTING SAID UNIT TO BOTH OF SAID CELLS AT THE SAME TIME IN A RELATION TO BE CONTROLLED THEREBY, SAID CIRCUITRY INCLUDING SWITCHING MEANS OPERABLE BETWEEN A FIRST CONDITION IN WHICH SAID TWO CELLS ARE SIMULTANEOUSLY CONNECTED IN SERIES TO SAID UNIT, IN A RELATION IN WHICH THE EFFECT PRODUCED BY ENERGIZATION OF ONE CELL ADDS TO THE EFFECT PRODUCED BY ENERGIZATION OF THE OTHER CELL, AND TWO ADDITIONAL CONDITIONS IN WHICH SAID TWO CELLS RESPECTIVELY ARE CONNECTED SEPARATELY IN OPERATIONAL RELATIONSHIP TO SAID UNIT TO CONTROL IT SEPARATELY.