Automatic film winding control system in aerial photography film scanner

• Main Authors: FENG PENGTAO, HE YUTONG, WANG HAIQING, LIU YUE, LI MING, SI DONGSEN, WANG CHUANG, CAO BOYAN, SONG HONGYUN
• Format: Patent
• Language: Chinese; English
• Published: 13.07.2018
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; PICTORIAL COMMUNICATION, e.g. TELEVISION

The invention discloses an automatic film winding control system in an aerial photography film scanner, and mainly solves the problem that the prior art requires manual film winding, and the automaticfilm winding of negative films of different structures and sizes cannot be completed. The automatic film winding control system comprises a negative film guide fixing device (1), a film pressing control device (2) and a film winding drum transmission device (3); the negative film guide fixing device and the film pressing control device are fixed on the scanner; the film winding drum transmissiondevice is fixed at the side of the negative film guide fixing device; the film pressing control device comprises film pressing glass (21), a hinge (22), a glass lifting rod (23) and a sensor (24); thefilm pressing glass is fixed at the middle part of a scanner case through the hinge; the glass lifting rod is located at the middle part of the lower edge of the film pressing glass; the glass lifting rod cooperates with the h