Palm vein recognition terminal
The utility model provides a palm vein recognition terminal. The palm vein recognition terminal comprises a shell, a mounting bracket and a near-infrared optical filter, the installation support is arranged in the shell, a plurality of limiting grooves are formed in the installation support, a bicry...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model provides a palm vein recognition terminal. The palm vein recognition terminal comprises a shell, a mounting bracket and a near-infrared optical filter, the installation support is arranged in the shell, a plurality of limiting grooves are formed in the installation support, a bicrystal near-infrared LED lamp and a first near-infrared polaroid are arranged in each limiting groove, the first near-infrared polaroid covers the light-emitting face of the corresponding bicrystal near-infrared LED lamp, a limiting hole is formed in the middle of the installation support, and the first near-infrared polaroid covers the light-emitting face of the corresponding bicrystal near-infrared LED lamp. A near-infrared image sensor and a second near-infrared polarizing film are arranged in the limiting hole, the second near-infrared polarizing film covers the light incident surface of the near-infrared image sensor, and the near-infrared optical filter covers the upper surface of the mounting bracket; accordin |
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