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    • 4. 发明申请
    • DATA ENCODING IN SOLID-STATE STORAGE DEVICES
    • 固态存储设备中的数据编码
    • US20110296274A1
    • 2011-12-01
    • US13097402
    • 2011-04-29
    • Thomas MittelholzerNikolaos PapandreouCharalampos Pozidis
    • Thomas MittelholzerNikolaos PapandreouCharalampos Pozidis
    • G06F11/10
    • G06F11/1072
    • Methods and apparatus are provided for recording input data in q-level cells of solid-state memory (2), where q>2. Input data words are encoded as respective codewords, each having a plurality of symbols. The coding scheme is such that each symbol can take one of q values corresponding to respective predetermined levels of the q-level cells, and each of the possible input data words is encoded as a codeword with a unique sequence of relative symbol values. The symbols of each codeword are then recorded in respective cells of the solid-state memory by setting each cell to the level corresponding to the recorded symbol value. Input data is thus effectively encoded in the relative positions of cell levels, providing resistance to certain effects of drift noise.
    • 提供方法和装置用于在q> 2的固态存储器(2)的q级单元中记录输入数据。 输入数据字被编码为各自具有多个符号的码字。 编码方案使得每个符号可以采用与q级单元的各个预定级别相对应的q个值中的一个,并且每个可能的输入数据字被编码为具有唯一的相对符号值序列的码字。 然后通过将每个单元设置为与记录的符号值对应的电平,将每个码字的符号记录在固态存储器的相应单元中。 因此,输入数据被有效地编码在单元电平的相对位置,提供对漂移噪声的某些影响的抵抗。
    • 9. 发明授权
    • Controller
    • 控制器
    • US07207119B1
    • 2007-04-24
    • US11297104
    • 2005-12-08
    • Evangelos S. EleftheriouAngeliki PantaziCharalampos PozidisAbu Sebastian
    • Evangelos S. EleftheriouAngeliki PantaziCharalampos PozidisAbu Sebastian
    • G01B5/20
    • G11B9/1436G01Q80/00G11B9/1481Y10S977/85
    • The present invention relates to a controller comprising: at least two input terminals, each of which is configured to receive one of at least two input signals comprising information on a positioning of a scanner relative to a reference medium, and an output terminal, which is connectable to the scanner and configured to transmit an output signal, which is used for controlling the positioning of the scanner, wherein the controller further comprises: a processing unit being operable to designate a corresponding weighting function to each of the at least two input signals, a magnitude of the corresponding weighting function being selected to be in accordance with a noise profile of the input signal to which it has been designated; the processing unit further being operable to simultaneously use the at least two input signals, each with the corresponding weighting function designated thereto, to design a transfer function of the controller for use in the production of the output signal.
    • 控制器技术领域本发明涉及一种控制器,包括:至少两个输入端子,每个输入端子被配置为接收至少两个输入信号中的一个,包括关于扫描器相对于参考介质的定位的信息,以及输出端子, 可连接到扫描仪并且被配置为传输用于控制扫描仪的定位的输出信号,其中控制器还包括:处理单元,可操作以将至少两个输入信号中的每一个指定对应的加权函数, 相应的加权函数的大小被选择为与其已被指定的输入信号的噪声分布一致; 处理单元还可操作以同时使用至少两个输入信号,每个输入信号具有指定的相应加权函数,以设计控制器的传递函数,以用于产生输出信号。