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    • 33. 发明授权
    • Non-volatile semiconductor memory device
    • 非易失性半导体存储器件
    • US06191978B1
    • 2001-02-20
    • US09553880
    • 2000-04-20
    • Kazuo WatanabeMasaki Uekubo
    • Kazuo WatanabeMasaki Uekubo
    • G11C1106
    • G11C16/24G11C16/28G11C16/32
    • A non-volatile semiconductor memory device is provided which is capable of shortening time required for determining a reading voltage in its reading circuit and of improving a data reading speed. The non-volatile semiconductor memory device has a feedback-type bias circuit for letting currents to flow, in response to a first timing signal occurring when an address of a memory cell is selected from a load circuit to the memory cell to be connected to a bit line through a bit line decoder according to selection of the address and to be connected through a word line, causing a predetermined bias current to be supplied to the bit line and for letting a current to flow in accordance with an ON-state or OFF-state of the memory cell, causing a reading voltage to be produced at a connection point with the load circuit and a pre-charging circuit for letting currents to flow through the bit line in response to a second timing signal occurring in an early stage when the first timing signal is active and for interrupting currents flowing through the bit line in a last stage when the second timing signal is active.
    • 提供了一种非易失性半导体存储器件,其能够缩短在其读取电路中确定读取电压所需的时间并提高数据读取速度。 非易失性半导体存储器件具有用于使电流流动的反馈型偏置电路,其响应于当将存储器单元的地址从负载电路选择为要连接到存储器单元的存储器单元时发生的第一定时信号 根据地址的选择通过位线解码器进行位线,并通过字线连接,使得预定的偏置电流被提供给位线,并使电流根据ON状态或OFF而流动 - 在存储单元的状态下,导致在与负载电路的连接点处产生读取电压,并且响应于在早期发生的第二定时信号而使电流流过位线的预充电电路, 当第二定时信号有效时,第一定时信号是有效的并且用于中断最后阶段中流过位线的电流。
    • 37. 发明授权
    • Method and apparatus for rotating a machining portion of an
electrodischarge machine
    • 用于旋转放电机的加工部分的方法和装置
    • US5753881A
    • 1998-05-19
    • US611789
    • 1996-03-06
    • Kazuo Watanabe
    • Kazuo Watanabe
    • B23H7/26B23H1/00B23H1/10
    • B23H7/26B23H2400/10
    • A method for rotating a machining portion of an electrodischarge machine, in which a tool electrode holder mounted to a clamp holder to hold a tool electrode is rotated by virtue of a reaction force induced by the jet of a machining fluid to thereby rotate the tool electrode with respect to a workpiece. More specifically, the machining fluid is allowed to flow in the interior of the tool electrode holder and is conducted toward the outer peripheral surface of the tool electrode holder, then is further conducted in an inclined direction relative to the radial direction from the outer peripheral surface of the tool electrode holder and is jetted. Thus, the tool electrode holder is rotated by the force of reaction based on the jet of the machining fluid.
    • 一种用于旋转放电机的加工部分的方法,其中安装到夹持器以保持工具电极的工具电极夹持器由于加工流体的射流引起的反作用力而旋转,从而使工具电极 相对于工件。 更具体地,允许加工流体在工具电极保持器的内部流动并且朝向工具电极保持器的外周面传导,然后相对于径向方向从外周面进一步传导 并被喷射。 因此,通过基于加工液的射流的反作用力使刀具电极座旋转。
    • 38. 发明授权
    • APC and ACC processing using common circuitry
    • APC和ACC处理使用公共电路
    • US5532757A
    • 1996-07-02
    • US267677
    • 1994-06-29
    • Shinichirou MiyazakiKazuo Watanabe
    • Shinichirou MiyazakiKazuo Watanabe
    • H04N9/45H04N9/455H04N9/68
    • H04N9/455H04N9/68
    • Chrominance signals of a digitized composite video signal are processed by including automatic phase control and automatic chroma control operations that use circuit elements that are concurrently available for both operations as well as for other signal processing operations. The automatic phase control operation calculates a phase error corresponding to a phase difference between a reference clock signal and a burst synchronization signal of the chrominance signal. The reference clock signal is generated in response to the phase error data, such that the phase error is minimized and the reference clock signal coincides with the burst synchronization signal. The automatic chroma control operation multiplies the chrominance signal by coefficient data corresponding to the difference between the chrominance signal and a reference value to generate a constant level chrominance signal.
    • 数字化复合视频信号的色度信号通过包括自动相位控制和自动色度控制操作来处理,该操作使用同时可用于两种操作以及其它信号处理操作的电路元件。 自动相位控制操作计算与色度信号的基准时钟信号和突发同步信号之间的相位差对应的相位误差。 响应于相位误差数据产生参考时钟信号,使得相位误差最小化并且参考时钟信号与突发同步信号一致。 自动色度控制操作将色度信号乘以对应于色度信号与参考值之间的差的系数数据,以产生恒定电平色度信号。