| 摘要 |
PURPOSE:To adjust a developing time in accordance with an exposing time by using a card or the like marked with an over- or under-exposing time in X-ray photographing for a control sytem for a developing time of a developing device and controlling the developing time for an X-ray film. CONSTITUTION:A control system for developing is so arranged as to command to the switch in a relay switch part 14 when the quantity of light from a lamp 12 is turned on and off on the front surface of a sensor 13 by a card 6. When the part 14 is changed over, the rovolving speed of a motor 16 is controlled so that the developing speed of a developing device 15 is regulated. Thereupon, when the card 6 is inserted into a card insertion part and a cassette is mounted in the device 15, an X-ray film is conducted into a developing device and the developing time can be adjusted in accordance with the exposing time. |
