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    • 46. 发明授权
    • Hydraulic pressure control apparatus of belt-drive continuously variable transmission for automotive vehicle
    • 汽车用带式无级变速器液压控制装置
    • US07435200B2
    • 2008-10-14
    • US11185735
    • 2005-07-21
    • Jonggap KimSeiichiro TakahashiYasushi Yabe
    • Jonggap KimSeiichiro TakahashiYasushi Yabe
    • F16H61/662F16H61/00B60W10/04
    • F16H61/66254F16H61/66272Y10T477/624Y10T477/6242Y10T477/688
    • A hydraulic pressure control apparatus of a belt-drive continuously variable transmission (CVT) for an automotive vehicle, includes a vehicular information detector that detects engine-and-vehicle operating conditions and a hydraulic actuator that regulates primary and secondary pulley pressures. A CVT control unit calculates a primary-pulley slip-limit pulley thrust and a secondary-pulley slip-limit pulley thrust based on information about the engine-and-vehicle operating conditions. The CVT control unit sets a primary-pulley-thrust command value to the primary-pulley slip-limit pulley thrust and calculates a desired secondary pulley thrust based on a desired transmission ratio, when a pulley ratio is greater than or equal to 1. The CVT control unit sets a secondary-pulley-thrust command value to the secondary-pulley slip-limit pulley thrust and calculates a desired primary pulley thrust suited to the desired transmission ratio, when the pulley ratio is less than 1.
    • 一种用于机动车辆的带式无级变速器(CVT)的液压控制装置,包括检测发动机和车辆操作条件的车辆信息检测器和调节主和副皮带轮压力的液压致动器。 CVT控制单元基于关于发动机和车辆操作条件的信息来计算初级滑轮滑动限滑滑轮推力和次级滑轮滑动限滑滑轮推力。 CVT控制单元将主滑轮推力指令值设定为主滑轮滑动限制滑轮推力,并且当滑轮比大于或等于1时,基于期望的传动比计算出期望的副滑轮推力。 当皮带轮比小于1时,CVT控制单元将二次滑轮推力指令值设定到次级滑轮滑动限滑滑轮推力,并计算适合于所需传动比的所需主滑轮推力。
    • 47. 发明授权
    • Method and circuit for digital modulation and method and circuit for digital demodulation
    • 数字调制方法与电路及数字解调方法与电路
    • US06654425B1
    • 2003-11-25
    • US09284278
    • 1999-06-22
    • Akiomi KunisaNobuo ItohSeiichiro Takahashi
    • Akiomi KunisaNobuo ItohSeiichiro Takahashi
    • H04L2704
    • H03M13/31H03M5/145
    • A digital modulation method in which at a head of an input block (pre-translation), each of a plurality of different types of initial data of t bits is multiplexed to generate a plurality of different types of multiplexed blocks, t bits at the head and immediately following t bits of each of the multiplexed blocks are subjected to exclusive OR operation, the immediately following t bits are replaced by the result of operation, the replaced t bits and the immediately following t bits are subjected to an exclusive OR operation, and the immediately following t bits are replaced by the result of operation, and thereafter in the similar manner, a convolution operation is executed. A plurality of different types of translated blocks are produced by the convolution operation, and DC components of thus provided translated blocks are calculated, respectively, absolute values of the respective DC components are compared with each other, and a translated block having the minimum value is selected and output externally.
    • 一种数字调制方法,其中在输入块的头部(预转换)中,t位的多种不同类型的初始数据中的每一种被多路复用以产生多个不同类型的多路复用块,头部的t位 并且紧随着每个多路复用块的t位之后进行异或运算,紧随其后的t位被操作结果代替,替换的t位和紧随其后的t位进行异或运算,并且 紧随其后的t位由操作结果代替,之后以类似的方式执行卷积运算。 通过卷积运算产生多个不同类型的转换块,并且分别计算这样提供的转换块的直流分量,使各个直流分量的绝对值相互比较,具有最小值的转换块为 从外部选择和输出。
    • 48. 发明授权
    • Digital modulation circuit and digital demodulation circuit
    • 数字调制电路和数字解调电路
    • US6079041A
    • 2000-06-20
    • US691649
    • 1996-08-02
    • Akiomi KunisaSeiichiro TakahashiNobuo Itoh
    • Akiomi KunisaSeiichiro TakahashiNobuo Itoh
    • G11B20/14H03M5/14H03M13/00
    • H03M5/145G11B20/1426
    • A digital modulation circuit which minimizes a DC component of an NRZI modulated code sequence while setting the T.sub.max and T.sub.W not to be varied. An m-n coding mode is determined for each data block composed of the predetermined number of m-bit datawords. That is, an m-n coding mode which minimizes the absolute value of the DSV is selected and the selected m-n coding mode is utilized for the m-n coding of the current data block. The code indicating the selected m-n coding mode is multiplexed to the m-n coded current block. An m--m mapping table is also determined for each data block. That is, such an m--m mapping table that minimizes the absolute value of the DSV is selected and the selected m--m mapping table is utilized for the m--m translation of the current data block. Then, the m--m mapped data block is m-n translated into a code block composed of the same number of n-bit codewords by utilizing the single m-n translation table.
    • 一种数字调制电路,其将设定Tmax和TW的NRZI调制码序列的DC分量最小化不变。 对由预定数量的m位数据词组成的每个数据块确定m-n编码模式。 也就是说,选择最小化DSV的绝对值的m-n编码模式,并且将所选择的m-n编码模式用于当前数据块的m-n编码。 指示选择的m-n编码模式的码被复用到m-n编码的当前块。 还为每个数据块确定m-m映射表。 也就是说,选择最小化DSV的绝对值的这种m-m映射表,并且将所选择的m-m映射表用于当前数据块的m-m转换。 然后,通过利用单个m-n转换表将m-m映射的数据块m-n转换成由相同数量的n位码字组成的码块。