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    • 2. 发明授权
    • Data processing device
    • 数据处理装置
    • US06859855B1
    • 2005-02-22
    • US09642433
    • 2000-08-21
    • Tomoyasu Shimizu
    • Tomoyasu Shimizu
    • G06F9/06G06F9/445G06F12/06G06F9/44
    • G06F9/44521G06F12/0638G06F2212/2022
    • A data processing device includes a read-only memory, a flash memory capable of modifying information stored therein and adding information thereto, a central processing unit performing data processing using information stored in the read-only memory and the flash memory, an information storage area provided in the flash memory for storing predetermined modifiable information among the information used by the central processing unit for data processing, an address storage area provided in the flash memory for storing at least the address of information stored in the information storage area, and an address-modification control unit for, after at least one of modification of modifiable information stored in the information storage area and addition of modifiable information to the information storage area is performed, performing modification of the address of the information stored in the address storage area.
    • 数据处理装置包括只读存储器,能够修改存储在其中的信息并向其中添加信息的闪速存储器;中央处理单元,使用存储在只读存储器和闪速存储器中的信息执行数据处理;信息存储区域 设置在闪速存储器中,用于在由中央处理单元用于数据处理的信息中存储预定的可修改信息;闪存中提供的地址存储区域,用于至少存储存储在信息存储区域中的信息的地址,以及地址 修改控制单元,用于在存储在信息存储区域中的可修改信息的修改中的至少一个和向信息存储区域添加可修改信息之后执行修改存储在地址存储区域中的信息的地址。
    • 6. 发明授权
    • Data communication device having a buffer in a nonvolatile storage device
    • 在非易失性存储装置中具有缓冲器的数据通信装置
    • US06725351B1
    • 2004-04-20
    • US09634470
    • 2000-08-09
    • Tomoyasu Shimizu
    • Tomoyasu Shimizu
    • G06F1200
    • G11C16/16
    • A data communication device which includes a flash memory, a primary buffer region in the flash memory which has time-sequential information stored therein from earliest to, an auxiliary buffer region in the flash memory which receives and stores primary-buffer storage information to be stored in the primary buffer region during a first condition of the data communication device when the information stored in the primary buffer region is not allowed to be updated, and an information-storage control unit which, when the primary-buffer storage information is stored in the auxiliary buffer region and during a second condition of the data communication device when updating of the information in the primary buffer region is allowed, reads information having a size not more than the storage capacity of the primary buffer region from the information stored in said primary buffer region and the auxiliary buffer region, and which re-stores the information that has been read in the primary buffer region.
    • 一种数据通信设备,包括闪速存储器,闪速存储器中的初级缓冲区域,其中最早存储有时序信息,闪速存储器中的辅助缓冲区域,其接收并存储要存储的主缓冲存储信息 在数据通信装置的第一状态期间,当存储在主缓冲区域中的信息不被更新时,在主缓冲区域中,以及信息存储控制单元,当主缓冲存储信息存储在 辅助缓冲区域,并且在允许在主缓冲区域中的信息更新时在数据通信设备的第二状态期间,从存储在所述主缓冲区中的信息读取具有不大于主缓冲区域的存储容量的信息 区域和辅助缓冲区域,并且重新存储在主缓冲器中读取的信息 r区域。
    • 7. 发明授权
    • Wireless communication apparatus
    • US06510316B2
    • 2003-01-21
    • US09541589
    • 2000-04-03
    • Tomoyasu Shimizu
    • Tomoyasu Shimizu
    • H04M300
    • G11C16/102G06F3/0614G06F3/064G06F3/0679G11C16/105H04M1/72519
    • The wireless communication apparatus has a flash memory in which a plurality of sectors are formed to make partitions so that at least two of the sectors are allocated for storing the positional record information. The positional-record information is stored in one of the at least two allocated sectors, whereas at least one of the remaining sectors are controlled so as to be used as an empty sector storing no information. When positional-record information for updating is given, the information is updated and stored in at least one of the remaining sectors, that is, in the aforementioned empty sector. After updating and storing of the information is completed, the information stored in the sector storing the pre-update positional-record information is eliminated. Although it takes a long time to eliminate the information stored in the sector, the above arrangement does not require the processing of eliminating the information during the period between the starting of updating the positional-record information and the completion of updating and storing the information in the flash memory. As a result, the time required for updating the positional-record information can be reduced.