发明名称 BACKUP CONTROLLER FOR IMAGE FORMING DEVICE
摘要 PURPOSE:To decrease the number of writing times, to eliminate the need of a preliminary EEPROM, to reduce cost and to improve availability. CONSTITUTION:This controller is provided with a counter for counting the number of image forming actions, a no-voltage detecting means 6 for detecting the no-voltage of a power source, a non-volatile memory 2 having a 1st area where the counting data of the counter is stored for backup when the means 6 detects the no-voltage, and a control means 5 which adds a previously set specified number which is >=2 to various kinds of counting data stored in the 2nd area of the memory 2 every time the counter counts the specified number and restores the added result in the 2nd area of the memory 2.
申请公布号 JPH0553386(A) 申请公布日期 1993.03.05
申请号 JP19910213662 申请日期 1991.08.26
申请人 MITA IND CO LTD 发明人 FURUHATA TADASHI
分类号 G03G21/00;G03G15/00;G06F1/30 主分类号 G03G21/00
代理机构 代理人
主权项
地址