Apparatus for on-line real-time drawing lottery and drawing up bill with lottery based on network
An invoice and network technology, applied in the field of tax control cash registers, can solve the problems of difficulty in guaranteeing the safety and fairness of lottery activities, reducing the effect of using the bonus of award-winning invoices, and low participation rate in the second lottery, etc. Enthusiasm, increased revenue, improved efficiency and safety
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[0020] The present invention adopts the electronic method, as shown in Fig. 3, at the same time of promoting the tax control machine, the taxpayer is matched with the winning color box, and the card is issued by the tax bureau, and the color box and the corresponding tax control machine are paired and initialized. The tax bureau is equipped with a winning management system, which is responsible for distributing the winning amount of the current period according to the tax amount of the previous period, and centrally arranges it in a unified winning pool at the city level according to the award distribution algorithm, and receives and decrypts the ciphertext sent by the color box According to the details of the invoice, the lottery will be drawn according to the special lottery algorithm, and the ciphertext of the winning information will be sent to the corresponding color box. The color box is connected to the tax control machine through a serial cable. When the customer’s tran...
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