Method for generating tax invoice through internet, invoice internet of things monitoring system and electronic stamp
A technology of network generation and electronic seal, applied in the field of Internet of Things, can solve the problem that the traditional system cannot solve the problem of illegal generation of invoices for the production and sale of fake invoices, and achieve the effect of solving the problem of simultaneous supervision
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Embodiment 1
[0032] Embodiment 1, an invoice Internet of things supervision and its invoice special seal information terminal system (see figure 1 , figure 2 ) Including: invoice electronic seal 1.1; invoice stamp electronic stamp pad 1.2; tax invoice 1.3; financial personnel electronic card 1.4; invoice code scanner 1.5; bill financial computer 1.6; tax control invoice printer 1.7; IP / PSTN / TD-SCDMA / GPRS Communication platform 1.8; tax management network center 1.9, the invoice Internet of Things supervision system platform composed of.
[0033] Invoice electronic seal 1.1 Have the seal pattern of the seal and the electronic information of the stamp identity RFIC card;
[0034] The traditional way of filling in tax invoices on the spot: manually write the tax invoice 1.3 of both parties and the transaction content and place it on the invoice stamp electronic stamp pad 1.2. The electronic stamp pad 1.2 communicates wirelessly with the invoice electronic seal 1.1, the invoice stamp electr...
Embodiment 2
[0039] Embodiment 2, with reference to Figure 4 As shown, the embodiment of the present invention is an electronic printing pad for invoice stamps with USB interface. Device SE33CR133A, and peripheral device circuits.
[0040] Wherein IC1 can adopt the microprocessor of ARM7 or ARM9 series, present embodiment adopts ARM7 microprocessor LPC214X; IC1 microprocessor adopts serial SPI interface NSS, SCK, MOSI, MISO and I / O corresponding connection IC2 RFIC reader-writer ALE, A2, A0, D0 and NRST of chip MF RC632; I2C bus interface SDA and SCL of IC1 microprocessor are correspondingly connected to SDA and SCL of IC3 encrypted memory, R7 and R8 are potential pull-up resistors, written in IC3 encrypted memory There are encrypted information such as the identity number of the electronic printing pad of the invoice stamp, the name of the user, the bank account number of the user, and the number of invoices issued; the USB transceiver data lines D- and D+ of the IC1 microprocessor are ...
Embodiment 3
[0043] Embodiment 3, with reference to attached Figure 5 As shown, the embodiment of the present invention is an electronic stamp pad with RS232 interface. RS232 conversion circuit, IC6 reset chip MAX809, and peripheral device circuits.
[0044] IC1 51 series microprocessors select P89LPC9XX series chips in this embodiment, IC1 microprocessors use serial SPI interfaces NSS, SCK, MOSI, MISO and P0.0 correspondingly connected to ALE, A2 of IC2 RFIC reader chip MF RC632 , A0, D0 and NRST; the I2C bus interface SDA and SCL of the IC1 microprocessor are correspondingly connected to the SDA and SCL of the IC3 encrypted memory, R7 and R8 are potential pull-up resistors, and the IC3 encrypted memory is written with the electronic stamp pad of the invoice chapter Encrypted information such as identity number, name of user, bank account number of user, number of invoices issued; I2C bus interface SDA and SCL of IC1 microprocessor correspond to SDA and SCL connected to IC4 time circuit...
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