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    • 5. 发明授权
    • Temperature controller for fuel gas in fuel cell system
    • 燃料电池系统燃料气体温度控制器
    • US06586126B1
    • 2003-07-01
    • US09562675
    • 2000-05-01
    • Takayuki OgawaHideo OkamotoHidehiko Takase
    • Takayuki OgawaHideo OkamotoHidehiko Takase
    • H01M804
    • H01M8/0612H01M2250/20Y02T90/32
    • According to the present invention, access to a password area in a nonvolatile memory cannot be granted by simple supply of an address in a normal order. According to one preferable mode, for instance, a trap address is set in the password area so that reading information from the password area is permitted only when the password area is accessed without accessing the trap address, whereas when the password area is accessed the trap address, whereas when the password area is access through the trap address, information reading is inhibited, or meaningless data is output or the information in the password area is destroyed. This invention can make it harder to gain access to a password area which is used to protect against illegitimate copying and can provide a nonvolatile memory having a stronger copy protection capability.
    • 根据本发明,不能通过以正常顺序简单地提供地址来对非易失性存储器中的密码区域进行访问。 根据一个优选模式,例如,在密码区域中设置陷阱地址,使得只有在访问密码区域而不访问陷阱地址的情况下才允许从密码区域读取信息,而当密码区域被访问时,陷阱 地址,而当密码区域通过陷阱地址访问时,禁止信息读取或输出无意义的数据或密码区域中的信息被破坏。 本发明可以使得更难以访问用于防止非法复制的密码区域,并且可以提供具有更强的复制保护能力的非易失性存储器。