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    • 12. 发明授权
    • Multi-bit-per-cell flash memory device with non-bijective mapping
    • 具有非双射映射的多比特单元闪存器件
    • US08848442B2
    • 2014-09-30
    • US12977097
    • 2010-12-23
    • Eran SharonIdan Alrod
    • Eran SharonIdan Alrod
    • G11C16/04G11C16/10G11C16/06G11C16/34G06F11/10G11C7/10G11C29/24G11C11/56
    • G06F11/1072G11C7/1006G11C11/5628G11C16/10G11C16/34G11C29/24G11C2211/5641
    • To store input data in a plurality of memory cells, a mapping function of bit sequences to physical parameter states of the cells is provided. The cells are programmed, in accordance with the mapping function, to store the input data, in a way that would store uniformly distributed data with a programming state distribution other than any native state distribution of the mapping function. To store input data in a single memory cell, a mapping function of bit sequences to states of a physical parameter of the cell, such that if uniformly distributed data were stored in a plurality of such memory cells then the states of the physical parameter of the cells would be distributed non-uniformly, is provided. The memory cell is programmed to store the input data in accordance with the mapping function.
    • 为了将输入数据存储在多个存储单元中,提供了比特序列到单元的物理参数状态的映射函数。 根据映射函数,单元格被编程以存储输入数据,其方式将以除映射函数的任何本机状态分布之外的编程状态分布来存储均匀分布的数据。 将输入数据存储在单个存储器单元中,将位序列的映射功能存储到单元的物理参数的状态,使得如果均匀分布的数据被存储在多个这样的存储器单元中,则存储器的物理参数的状态 细胞将被分布不均匀。 存储单元被编程为根据映射函数存储输入数据。
    • 18. 发明授权
    • Access control for a memory device
    • 存储设备的访问控制
    • US08695087B2
    • 2014-04-08
    • US12082083
    • 2008-04-04
    • Arik PrielYariv FishmanTzvika VismanYaron AltermanMauri LibermanEyal Peri
    • Arik PrielYariv FishmanTzvika VismanYaron AltermanMauri LibermanEyal Peri
    • G06F21/00
    • G06F21/79
    • Access control for a memory device is provided. In one embodiment, a portable memory device is provided comprising a storage medium comprising a private area and circuitry operative to (a) receive, from a host device, a password to unlock the host device, (b) compare the password with a password stored in the portable memory device, and (c) if the passwords match, allow the host device to access the private area. In another embodiment, a portable memory device is provided comprising a storage medium comprising a private area and a public area. The public area stores computer-readable program code to facilitate interaction with the access control features of the portable memory device. Methods for use with such memory devices are also provided. Other embodiments are disclosed, and each of the embodiments can be used alone or together in combination.
    • 提供了存储设备的访问控制。 在一个实施例中,提供了一种便携式存储设备,其包括存储介质,该存储介质包括专用区域和可操作以(a)从主机设备接收密码以解锁主机设备的电路,(b)将密码与存储的密码进行比较 在便携式存储设备中,以及(c)如果密码匹配,允许主机设备访问私有区域。 在另一个实施例中,提供一种便携式存储设备,其包括包括私人区域和公共区域的存储介质。 公共区域存储计算机可读程序代码,以便于与便携式存储设备的访问控制特征的交互。 还提供了与这种存储器件一起使用的方法。 公开了其它实施例,并且每个实施例可以单独使用或组合使用。
    • 20. 再颁专利
    • USB flash memory device with integral memory technology driver
    • 具有集成内存技术驱动程序的USB闪存设备
    • USRE44653E1
    • 2013-12-17
    • US13005501
    • 2011-01-12
    • Amir BanDov MoranOron Ogdan
    • Amir BanDov MoranOron Ogdan
    • G06F12/00
    • G06F3/0661G06F3/0607G06F3/0679G06F13/385G11C7/1006H04M1/72527
    • A storage unit made of flash array and a USB controller, is implemented to be compatible with then USB specification. The unit includes memory modules which can accept write commands and read commands and are erasable and non-volatile herein referred to as flash modules. The USB/flash controller is configured to provide USB functionality and compatibility alone with common flash operations such as programming reading and erasing the above mentioned components. A USB flash memory device includes at least one flash memory module, a USB connector, a USB controller, and an identification structure for holding memory size and manufacturing type information of the flash memory module. The USB controller is configured to send and receive USB-defined data packets to or from a host via the USB connector, to extract operation codes and logical addresses from the USB-defined data packets, and to carry out at least one of reads, writes and erases in the flash memory module in accordance with the USB-defined data packets, and to interpret the operation codes into corresponding commands. The USB controller is configured to activate a respective memory technology driver in accordance with the memory size and manufacturing type information in the identification structure. The activated memory technology driver is configured to perform the commands on the flash memory module corresponding to the logical addresses.
    • 由闪存阵列和USB控制器组成的存储单元被实现为与USB规范兼容。 该单元包括可以接受写入命令和读取命令并且在这里被称为闪存模块的可擦除和非易失性的存储器模块。 USB /闪存控制器被配置为提供USB功能和兼容性,以及常见的闪存操作,如编程读取和擦除上述组件。 USB闪存设备包括至少一个闪存模块,USB连接器,USB控制器以及用于保存闪速存储器模块的存储器大小和制造类型信息的识别结构。 USB控制器配置为通过USB连接器向主机发送和接收USB定义的数据包,以从USB定义的数据包中提取操作代码和逻辑地址,并执行读取,写入中的至少一个 并根据USB定义的数据包擦除闪存模块,并将操作代码解释为相应的命令。 USB控制器被配置为根据识别结构中的存储器大小和制造类型信息激活相应的存储器技术驱动器。 激活的存储器技术驱动器被配置为对与逻辑地址相对应的闪存模块执行命令。