PURPOSE: To inform a photographer of the number of films and prevent flickering of indicated values by counting information of the number of frames of a film, detecting change at every prescribed plural number of frames and changing the state of indication at every plural frames.
CONSTITUTION: The code of a DX film of the type in which information on the number of frame of the film is described on the film container in code is read out by switches DX7WDX10 and a reading section DXR, converted to binary code by a code converter TRN1 and inputted to a counter CNTR1. After automatic loading of a film is made, the counter CNTR1 is counted -1 at every winding of the film. The content of the counter CNTR1 is detected whether it is above 36, above 30, above 24, above 16, above 12, above 10 and below 3, and segments SEG2WSEG14 are lit up in combination corresponding to the condition. When the remaining number of the films became below 9, the remaining number is indicated in the 7 segment pattern 19 in numerals, and when remaining number became zero, all indications are prohibited.
HARADA YOSHIHITO
KIUCHI MASAYOSHI
TOKURA TAKESHI
FUJIBAYASHI KAZUO
| JPS60111232A | 1985-06-17 |