Resetting method for scanning device and scanning module
A technology of scanning device and scanning module, applied in the direction of image communication, electrical components, etc., can solve the problems of high cost, increased cost and complexity of positioning structure 70, complicated printing procedures, etc. The effect of low complexity and improved scan quality
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Embodiment 1
[0043] Example 1 please refer to Figure 2A and Figure 2B , the scanning device 100 includes a casing 110 , a scanning platform 130 , a scanning module 150 and a positioning plate 170 . The scanning module 150 may be a device including a Charge-Coupled Device (CCD) or a Contact Image Sensor (CIS).
[0044] The scanning platform 130 is embedded in the housing 110 and exposes a surface 133 for holding a document to be scanned (not shown). The scanning platform 130 includes an upper side 131 . The scanning module 150 is disposed under the scanning platform 130 . The positioning plate 170 is disposed on an inner wall 111 of the casing 110 and adjacent to the upper side 131 of the scanning platform 130 . The scanning module 150 is used to capture the images of the positioning plate 170 and the inner wall 111 of the housing 110, and identify an image corresponding to at least one side of the x-axis of the positioning plate 170. Here, the scanning module 150 identifies images co...
Embodiment 2
[0052] Example 2 please refer to Figure 3A and Figure 3B , the inner wall 111' of the casing 110' of the scanning device 100' has a notch 113'. Due to the concave design of the notch 113', the positioning plate 170' is accurately set in the notch 113'. In this way, the errors caused by the scanning module 150' in homing due to the offset of the positioning plate 170' can be reduced. Furthermore, the setting method of the positioning plate 170' can also be as follows: Figure 3A As shown, that is, the rectangular structure 173' protrudes from the main body 171' in the same direction as the rectangular structure 173 ( Figure 2A shown in ) from the subject 171 ( Figure 2A shown in ) protrude in different directions.
[0053] Also, please refer to Figure 4A and Figure 4B , the positioning plate 170" of the scanning device 100" may also have a plurality of square holes 175" ( Figure 4A label only one of the square holes). The square hole 175" runs through the positi...
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