Charging system of wireless password keyboard, and charging base
A password keyboard and charging system technology, applied in the direction of electromagnetic wave system, electrical digital data processing, data processing input/output process, etc., can solve the problems of low wireless charging efficiency, large energy loss, etc., and achieve the effect of improving charging efficiency
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[0061] Please refer to Figure 5 , Embodiment 1 of the present invention is:
[0062] On the basis of the traditional DC power supply, the emerging wireless charging function is added to expand the functionality of the wireless PIN pad, and to achieve further portability of the product, reducing the risk of the wireless PIN pad due to insufficient power.
[0063] The power supply system of the wireless PIN pad device includes a traditional external DC power supply and a newly added wireless charging power supply. The traditional external DC charging is used to solve the fast charging of the built-in lithium battery when the system is completely idle; the newly added wireless charging is used to solve the charging of the built-in lithium battery when the product is in use. A switching module is provided between the two power supply modules to ensure that the system currently only has one mode to charge the battery and ensure the safety of the product. The traditional external...
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