Double face scanner
A double-sided scanning and scanner technology, applied in the field of scanners, can solve problems such as out-of-step, vibration and noise, motor deadlock, etc.
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Embodiment 1
[0019] Please refer to Figure 2A , which shows a block diagram of a duplex scanner according to Embodiment 1 of the present invention. exist Figure 2A Among them, the duplex scanner 20 at least includes a first scanning module 21 , a second scanning module 22 , a control processing unit 23 , a power source 25 and a transmission mechanism 27 . The first scanning module 21 is used for scanning a document to be scanned (not shown in Figure 2A middle) and capture an image of the front side of the document to be scanned. The second scanning module 22 is used to scan the back of a document to be scanned, and capture an image of the back of the document to be scanned. The transmission mechanism 27 is used to generate a relative movement between the document to be scanned and the first scanning module 21 and the second scanning module 22 .
[0020] Such as Figure 2B As shown, assuming that the first scanning module 21 and the second scanning module 22 are stationary, then F...
Embodiment 2
[0024] Please refer to Figure 3A , which shows a block diagram of a duplex scanner according to Embodiment 2 of the present invention. In figure 3A, the duplex scanner 40 at least includes a first scanning module 41, a second scanning module 44, a control processing unit 43, a first power source 45, a second power source 46, a first transmission mechanism 47 and a second Transmission mechanism 48. The first scanning module 41 is used for scanning a document to be scanned (not shown in Figure 3A middle) and capture an image of the front side of the document to be scanned. The second scanning module 44 is used to scan the back of a document to be scanned, and capture an image of the back of the document to be scanned. The first transmission mechanism 47 is used to move the first scanning module 41, and the second transmission mechanism 48 is used to move the document to be scanned.
[0025] Such as Figure 3B As shown, the double-sided scanner 40 can be a flat-bed type do...
Embodiment 3
[0029] Please refer to Figure 4 , which shows a block diagram of a duplex scanner according to Embodiment 3 of the present invention. The difference between the double-sided scanner 50 of the present embodiment and the double-sided scanner 40 of the second embodiment lies in the first control processing unit 53 and the second control processing unit 54, and the same reference numerals continue to be used for other identical components. And will not repeat them here. exist Figure 4 Among them, both the first control processing unit 53 and the second control processing unit 54 can receive the scanning instruction S, or the first control processing unit 53 or the second control processing unit 54 receives the scanning instruction S. The first control processing unit 53 receives the scanning instruction S, and determines whether the first scanning module 42 has reached the positioning. If the first scanning module 41 has not reached the position, the first control processing ...
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