Patent ID: 9661175
Date: 2017-05-23
CPC Classifications: H04N

Claim:
1. A self-adaptive scanning device, comprising: a left side plate, a right side plate, a tension spring, an upper floating passage assembly, an image scanning tube B, a lower passage plate, a card-type information reading assembly, a certificate information reading assembly, friction wheels, and shaft sleeves, wherein the upper floating passage assembly comprises an image scanning tube A, an upper passage plate, an upper passage fixed shaft, and fixed bearings; the upper passage fixed shaft is fixed to the upper passage plate, and is mounted between the left side plat and the right side plate; the left side plate and the right side plate are each provided with a guide slot, and each of the shaft sleeves is movably mounted in the corresponding guide slot and slides upward and downward along the respective guide slot, and two ends of the upper passage fixed shaft are fixed to the shaft sleeves respectively; a plurality of fixed bearings are mounted on the upper passage plate, and a plurality of friction wheels are mounted on the lower passage plate, and the fixed bearings and the friction wheels are arranged in pairs; a scanning passage between the upper passage plate and the lower passage plate is formed; the image scanning tube A is mounted above the scanning passage, and the image scanning tube B is mounted below the scanning passage; the tension spring has one end fixed to the upper passage fixed shaft, and another end fixed to the left side plate or the right side plate; the card-type information reading assembly is mounted on the upper passage plate or the lower passage plate, and is configured to read a built-in card information of a card type scanned medium in the scanning passage; and the certificate information reading assembly is mounted on the upper passage plate or the lower passage plate, and is configured to read a built-in certificate information of a certificate type scanned medium in the scanning passage.