To provide a device integrating time and temperature.
This photographic film cartridge 30 is constituted by including a housing having an outside surface and the device integrating the time and the temperature required for executing the display 31 of accumulated thermal exposure which can be visually observed on the above mentioned outside surface. Then, the device integrating the time and the temperature is formed to be sufficiently thin so that the performance of the cartridge 30 of a photographing camera is not obstructed. Besides, a thermosensitive image forming area and an index for display related to the above mentioned image forming area and used for displaying the time that the exposure of the cartridge 30 arrives at the prescribed accumulated exposure are included.
RAM ARUNACHALAM TULSI
PARTRIDGE PAUL WILKINSON
