Title: Finance tax cash register
Application Number: 200410040758 Application Date: 2004.09.30
Publication Number: 1601566 Publication Date: 2005.03.30
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G07G1/00,G07G1/12
Applicant(s) Name: Gan Guogong Address: 610041
Inventor(s) Name:
Attorney & Agent: feng zhongliang
Abstract:
     Microcontroller through storage bus is connected to storage, and through I/O interface bus is connected to encryption unit and decryption unit, magnetic reading card, IC reader/writer, printer, display, operation keyboard, and network. Microcontroller is also connected to timing chip. The said storage includes DRAM and FLASH. Power source through large time delay protective circuit with super capacitance is connected to microcontroller. FLASH and SRAM are in use for storing data, providing higher reliability, and longer operating life.
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