DEVICE FOR AUTOMATIC DRIVING OF FILM IN PHOTOGRAPHIC CAMERA AND METHOD FOR DRIVING FILM IN PHOTOGRAPHIC CAMERA Russian patent published in 1997 - IPC

FIELD: photographic equipment. SUBSTANCE: method involves exposition of film to light after triggering first-stage trigger and second-stage trigger, winding exposed film, detection of completion of winding during given duration and reverse film winding if winding of exposed piece is finished. In addition method involves detection of operation of manual film winding switch and reverse winding if manual film winding switch has been triggered. In addition method involves detection of operation of first-stage trigger during film winding so that winding is stopped if first-stage trigger has been triggered. In addition method involves detection of completion of film winding if first-stage trigger has not been triggered. Corresponding device has central processing unit 1, switches unit 2, power supply control unit 3, unit 4 which starts information displaying unit 5, electric motor drive 6, film movement electric motor M1. EFFECT: increased functional capabilities. 9 cl, 2 dwg