Importance

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Abstract

A release operation of a camera adapted to be transferred to a normal photographing condition through winding-up of a film by a predetermined length is allowed in conditions before transfer to the normal photographing condition even if a release inhibition signal is being generated. Whether or not the camera is in the normal photographing condition is determined based on the state of a switch which is turned OFF upon transfer of the camera to the normal photographing condition. The turn-OFF of the switch always causes the camera to read a code pattern on a film cartridge to automatically set the film sensitivity represented by the code pattern. The camera is also capable of manual film speed setting. When a new battery is loaded in the camera while it is the normal photographing condition in and while a film cartridge with no code pattern is being used, the camera is adapted to start light measurement and exposure calculation only when a film sensitivity setting switch which allows manual film sensitivity setting is turned ON, thereby urging a camera operator to verify the film sensitivity of the film. In contrast, when a new battery is loaded in the camera while it is in the normal photographing condition when a film cartridge with the code pattern is being used, the camera reads the code pattern upon detection of loading of the battery.

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First Claim