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    • 4. 发明专利
    • Distributed writing method for flash memory
    • FLASH存储器的分布式写入方法
    • JP2007193618A
    • 2007-08-02
    • JP2006011777
    • 2006-01-19
    • Phison Electronics Corp群聯電子股▲ふん▼有限公司
    • SHU KENKA
    • G06F12/16G06F12/00G06F12/02
    • PROBLEM TO BE SOLVED: To provide a distributed writing method for a flash memory, extending a service life of the flash memory.
      SOLUTION: A physical area of the flash memory is divided into a first area and a second area. The first area is a logical area including data and a plurality of auxiliary areas, and the second area is an area not including data, and is used for writing. When writing data, a scheduled auxiliary area is selected from the auxiliary areas of the first area, a physical block is selected from inside the other non-scheduled auxiliary areas, and a physical block is selected from the second area 2 and is set as a physical block for the writing. When a writing frequency becomes a multiple of a scheduled value, the physical block for the writing is replaced with another physical block and is set as the second area to perform writing to the physical block, the data of the physical block selected inside the first area are written in the physical block of the second area, the physical block selected from the first area is moved to the second area, and the physical block already written with the data of the second area is moved to the first area to distribute the writing frequency of each block.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种用于闪存的分布式写入方法,延长闪存的使用寿命。 解决方案:闪存的物理区域分为第一区域和第二区域。 第一区域是包括数据和多个辅助区域的逻辑区域,第二区域是不包括数据的区域,用于写入。 当写入数据时,从第一区域的辅助区域中选择预定的辅助区域,从其他非调度辅助区域内部选择物理块,并且从第二区域2中选择物理块,并将其设置为 物理块写作。 当写入频率变为预定值的倍数时,写入的物理块被替换为另一个物理块,并且被设置为用于对物理块执行写入的第二区域,在第一区域内选择的物理块的数据 被写入第二区域的物理块中,从第一区域选择的物理块被移动到第二区域,并且已经写入了第二区域的数据的物理块被移动到第一区域以分配写入频率 的每个块。 版权所有(C)2007,JPO&INPIT
    • 5. 发明专利
    • Portable storage device
    • 便携式存储设备
    • JP2007115103A
    • 2007-05-10
    • JP2005307062
    • 2005-10-21
    • Phison Electronics Corp群聯電子股▲ふん▼有限公司
    • WANG CHIH-LINGHUANG YI-HSIANG
    • G06F21/24G06F3/08G06K19/073G06K19/10
    • PROBLEM TO BE SOLVED: To provide a portable storage device in which data of a security protection data block is not stolen. SOLUTION: In the storage device, a connection interface connected to a host computer is installed, the connection interface connects a microcontroller to a memory, and the memory is divided into a hiding block, a first application program block, an unsecurity protection data block and a security protection data block to store an authentication program. When a user accesses data in the security protection data block, the authentication program stored in the first application program block is run, and the authentication program also compares a user ID inputted by the user with a user ID stored by the hiding block to matched with each other when the authentication program is run and subsequently sets the security protection data block as a use block, so that the user can access the data. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种便携式存储装置,其中安全保护数据块的数据不被盗。

      解决方案:在存储设备中,安装连接到主机的连接接口,连接接口将微控制器连接到存储器,并将存储器分为隐藏块,第一应用程序块,不安全保护 数据块和安全保护数据块来存储认证程序。 当用户访问安全保护数据块中的数据时,存储在第一应用程序块中的认证程序运行,并且认证程序还将由用户输入的用户ID与由隐藏块存储的用户ID进行比较,以与 彼此在运行验证程序时,并且随后将安全保护数据块设置为使用块,使得用户可以访问数据。 版权所有(C)2007,JPO&INPIT

    • 7. 发明专利
    • METHOD FOR MANAGING MEMORY BLOCKS IN FLASH MEMORY
    • MY143592A
    • 2011-05-31
    • MYPI20054927
    • 2005-10-20
    • PHISON ELECTRONICS CORP
    • HUANG YI-HSIANG
    • G11C16/06
    • METHOD FOR MANAGING MEMORY BLOCKS IN FLASH MEMORY THE PRESENT INVENTION DISCLOSES A METHOD FOR MANAGING MERNORY BLOCKS 0 IN A AASH MEMORV. THE METHOD IS FIRST TO CALCULATE THE TOTAL ILUNIBER OF GOOD 1 5 BLOCKS AND TOTAL NUMBER OF BAD BLOCKS IN THE FLASH MEMORY, AND THEN ALL TILE OOOD BLOCKS AND THE BAD BLOCKS WILL BE EVENLY ALLOCATED TO EACH SEGMENT ACCORDING TO THE ILUMBER OF SEGMENTS CONTAINED IN TILE FLASH I O- . AFT R LICILL THE ALLOCATION, TILE ALLOCATION INFOR-MATION WILL BE RECORDED IN ONE GOOD BLOCK TO FORM A DATA BLOCK SO THAT WHEN THE FLASH MEMORY IS EXCCLITILLO INITIALIZATION. TILE 10 CONTROLLER CHIP MAY FIND THE DATA BLOCK, AND STORE THE DATA IN THE SRAIM (STATIC RANDOM ACCESS MEMORY) OF THE FLASH MEMORY. THEN, ACCORDING TO THE DATA STORED IN TILE SRAM, THE CONTROLLER CHIP MAY GENERATE -,I CORRESPONDING TABLE FOL- THE BLOCK CONTAINED IN THE SCURNENT ACCORDINV TO THE DATA SLORED IN THE SRAM. AS I RESULT, TILE FLASH MEMORY MAY BE USED WITH LOWER CAPACITY AND MAY 15 OBVIATE THE PROBLEM OF BEING UNUSABLE WHEN THE FLASH INERNORY CONTAINS THE EXCESSIVE AMOUNT OFTHE BAD BLOCKS. 2 0 DGOWR2@ -00/ LO X-)
    • 9. 发明公开
    • Security system of flash memory and method thereof
    • 西西里系统ffl Flash-Speicher unddazugehörigeMethode
    • EP1855226A1
    • 2007-11-14
    • EP06254687.4
    • 2006-09-08
    • Phison Electronics Corp.Just Rams Plc
    • Chen, HoraceKotecha, Sanjiv
    • G06F21/02
    • G06F21/6227G06F2221/2129
    • A security system for a flash memory and a method thereof are disclosed. The method of security system for a flash memory, includes the steps of a) providing a predetermined limit signal (601) for a host system (60); b) defining a specific signal (612) stored in the flash memory (61) installed with a identification program (611) for indicating a capacity of the flash memory (61); c) comparing the specific signal (612) with the predetermined limit signal (601) while the flash memory (61) is connected to the host system (60); d) inhibiting access to the identification program (611) of the flash memory (61) if the specific signal (612) does not correspond to the predetermined limit signal (601), but a residual space of the flash memory (61) is available.
    • 公开了一种用于闪速存储器的安全系统及其方法。 闪存的安全系统的方法包括以下步骤:a)为主机系统(60)提供预定的限制信号(601); b)定义存储在安装有用于指示闪速存储器(61)的容量的识别程序(611)的闪速存储器(61)中的特定信号(612); c)当所述闪存(61)连接到所述主机系统(60)时,将所述特定信号(612)与所述预定限制信号(601)进行比较; d)如果特定信号(612)不对应于预定限制信号(601),则禁止对闪存(61)的识别程序(611)的访问,但闪存(61)的剩余空间可用 。