Title: Data storage system for tax controlled cash register
Application Number: 200610020170 Application Date: 2006.01.18
Publication Number: 1804908 Publication Date: 2006.07.19
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G07G1/12,G07G1/00
Applicant(s) Name: Chengdu Qianfeng Electronic Appliances Group Co., Address: 611731
Inventor(s) Name: Liu Kai
Attorney & Agent: xiong xiaoguan
Abstract:
     The invention discloses a tax control cashier's machine data storing system which comprises: a Flash storage used to store a plurality of data, wherein the rub-write operation is distributed on each rub-write block of the Flash storage during the storing course; a EEPROM storage used to store the buffer data, when the data in EEPROM storage accumulates to a block data amount of the Flash storage, it concentrates to write it to another rub-write block of the Flash storage; a FRAM iron electric storage used to store the data which is normal used or the preserved data without power; wherein the Flash storage, the EEPROM storage and the FRAM iron electric storage are separately change the data information with the MCU center processor.
Time: 9
<- Previous Patent:Financial bill special-purpose pr...   |  Next Patent:Tax controlled cash register ->