Vein-fingerprint-face composite recognition system with automatic light brightness control function
A recognition system and brightness technology, applied in the field of biometrics, can solve the problems of recognition errors, face errors, etc., and achieve the effect of convenient installation, flexible installation position and good recognition effect
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[0026] Example 1
[0027] Such as Figure 1 ~ Figure 2 As shown, the venous fingerprint and face composite recognition system of the present invention that can automatically control brightness includes a support frame 1, a vertical adjustment slot 2 is provided on the support frame 1, and a sliding block 3 is provided on the vertical adjustment slot 2. 3 can move along the vertical adjustment groove 2 or be fixed on the vertical adjustment groove 2, the sliding block 3 is provided with a mounting rod 4, the mounting rod 4 is provided with a horizontal adjustment groove 5, and the horizontal adjustment groove 5 is provided with a fixing device 6 , The fixing device 6 can move along the horizontal adjustment groove 5 or be fixed on the horizontal adjustment groove 5, the support frame 1 is also provided with a lighting device 10, the lighting device 10 is connected with a controller, and the function of the controller is to control the angle of the lighting device 10 And the light...
Example Embodiment
[0029] Example 2
[0030] The present invention is based on Embodiment 1, and further illustrates the present invention.
[0031] Such as Figure 1 ~ Figure 2 As shown, the venous fingerprint and face composite recognition system of the present invention can automatically control the brightness. The support frame 1 can be fixed on the wall by threaded fasteners 9. The threaded fasteners are expansion screws, and the expansion screws are preferably metal expansion screws. , The fixing of the expansion screw uses the wedge-shaped slope to promote the expansion to produce frictional binding force to achieve the fixing effect. The expansion screw is composed of a screw and an expansion tube. The tail of the screw is cone-shaped. The inner diameter of the cone is larger than the inner diameter of the expansion tube. When tightening, the screw moves outwards, and the conical part moves through the axial movement of the thread. A large positive pressure is formed on the outer circumferen...
Example Embodiment
[0032] Example 3
[0033] The present invention is based on Embodiment 1, and further illustrates the present invention.
[0034] Such as Figure 1 ~ Figure 2 As shown, the present invention can automatically control the brightness of the vein fingerprint face composite recognition system, the number of support frames 1 is two, and the mounting rod 4 is located between the two support frames 1, and the two ends of the mounting rod 4 are respectively located on the support frame 1, to make the mounting rod 4 move more stable, the mounting rod 4 can move along the vertical adjustment groove 2 on the support frame 1, thereby adjusting the position of the mounting rod 4, the fixing device 6 is a hook or a threaded fastener through a hook Or threaded fasteners fix the vein identification device on the mounting rod 4, and select different fixing devices 6 and their numbers according to the size and model of the vein identification device to achieve the best fixing effect.
[0035] The sl...
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