发明名称 Optical apparatus
摘要 A camera having a memory in which control programs are stored includes a flash memory in which a control program or data for controlling the camera is stored, and a masked ROM in which a program for determining whether the control program or data stored in the flash memory is proper is stored, wherein the program stored in the masked ROM is executed in advance of execution of the control program stored in the flash memory.
申请公布号 US6227728(B1) 申请公布日期 2001.05.08
申请号 US19990251934 申请日期 1999.02.18
申请人 CANON KABUSHIKI KAISHA 发明人 FURUTSU ETSURO
分类号 G03B7/26;G02B7/28;G03B7/091;G03B17/00;G05B15/02;G06F12/16;(IPC1-7):G03B17/00 主分类号 G03B7/26
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