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Billing monitoring device, billing system and billing method applied to tax control

A monitoring device and tax control technology, applied in data processing applications, instruments, finance, etc., can solve the problems of inconvenient portability, single communication, large size, etc., and achieve improved flexibility and convenience, small size, and low power consumption. Effect

Inactive Publication Date: 2017-06-30
WATCHDATA SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This traditional billing device has the limitations of large volume, high power consumption, single communication and inconvenient portability

Method used

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  • Billing monitoring device, billing system and billing method applied to tax control
  • Billing monitoring device, billing system and billing method applied to tax control
  • Billing monitoring device, billing system and billing method applied to tax control

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Embodiment Construction

[0033] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0034] figure 1 It shows a schematic structural diagram of a billing monitoring device applied to tax control provided in a specific embodiment of the present invention. It can be seen from the figure that the billing monitoring device includes a main control security chip 1, which is connected to the main control security chip 1 respectively. The first wireless communication module 2 and the real-time clock 3 connected to the chip 1 also include a rechargeable battery 4 and a button battery 5. The control security chip 1 and the first wireless communication module 2 provide power, and the button battery 5 is connected to the real-time clock 3 to provide power for the real-time clock 3 .

[0035] In this embodiment, the main control security chip 1 includes a security information storage unit, a user information storage unit and a bi...

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PUM

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Abstract

The invention discloses a billing monitoring device, a billing system and a billing method applied to tax control. The billing system comprises the billing monitoring device and host mobile terminal equipment; the billing monitoring device comprises a main control security chip, a wireless communication module and a real-time clock, and further comprises a rechargeable battery for supplying power to the chip and the wireless communication module and a button cell for supplying power to the real-time clock; and the main control security chip comprises a security information storage unit for storing an encryption algorithm and an encryption key for calculating a tax control code, a user information storage unit for storing relevant bill information of taxpayers and a billing monitoring unit for judging whether billing detail data is valid. The billing monitoring device can be made into a device that is small in size and convenient to carry; and tax control applications of ticket buying, billing, taxation and the like can be completed via the billing monitoring device and storage equipment, so that the flexibility and convenience of billing and taxation are effectively improved and the using requirements of users are better met.

Description

technical field [0001] The invention relates to the technical field of tax control, in particular to an invoice monitoring device, an invoice system and an invoice method applied to tax control. Background technique [0002] At present, users need to issue a machine-printed invoice, usually using a PC connected to a tax control machine or a tax control disk, and the mainstream mode of connecting the tax control machine or tax control disk to the PC is the USB communication interface, and the issued A large number of data such as invoice details and tax control codes need to be stored in the tax control machine or tax control disk. This traditional billing device has the limitations of large volume, high power consumption, single communication and inconvenient portability. With the development and popularization of various communication technologies, users hope that the equipment involved in the billing system is small in size, low in power consumption, easy to carry, and ch...

Claims

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Application Information

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IPC IPC(8): G07G1/12G06Q40/00G06F21/72
CPCG06F21/72G06Q40/123G07G1/12
Inventor 郑文德
Owner WATCHDATA SYST
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