Magazine and camera with film characteristic indicating means

Claim 1

IN A CAMERA HAVING MEANS THEREIN FOR RECEIVING A FILM MAGAZINE LOADED THEREINTO, AND AN EXPOSURE CONTROL ELEMENT ADJUSTABLE TO A POSTIION REPRESENTING A CHARACTERISTIC OF PHOTOGRAPHIC FILM IN SAID MAGAZINE; THE COMBINATION COMPRISING: A CAMERA HOUSING HAVING BACK MEANS MOVABLE TO AN OPEN POSITION FOR LOADING SAID MAGAZINE INTO SAID CAMERA AND TO A POSITION FOR RETAINING SAID MAGAZINE IN SAID HOUSING; MEANS DEFINING A TACTILE SURFACE IRREGULARITY ON SAID MAGAZINE, THE POSITION OF SAID IRREGULARITY BEING A FUNCTION OF SAID CHARACTERISTIC OF THE FILM IN SAID MAGAZINE; A SENSING MEMBER IN THE CAMERA MOVABLE TO A FRIST LOCATION IN RESPONSE TO MOVEMENT OF SAID BACK MEANS TO SAID OPEN POSITION, AND MOVABLE TOWARD A SECOND LOCATION IN RESPONSE TO MOVEMENT OF SAID BACK MEANS TOWARD SAID RETAINING POSITION, DURING WHICH LATTER MOVEMENT OF SAID MEMBER THE LATTER ENGAGES AND IS ARRESTED BY SAID SURFACE IRREGULARITY; AND MEANS OPERATIVELY CONNECTING SAID ELEMENT TO SAID SENSING MEMBER FOR MOVING SAID ELEMENT IN RESPONSE TO MOVEMENT OF SAID SENSING MEMBER TOWARD SAID SECOND LOCATION.