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    • 2. 发明申请
    • SEMICONDUCTOR DEVICE
    • 半导体器件
    • US20120200159A1
    • 2012-08-09
    • US13366717
    • 2012-02-06
    • Mitsuaki KATAGIRIKen IwakuraYutaka Uematsu
    • Mitsuaki KATAGIRIKen IwakuraYutaka Uematsu
    • H02J4/00
    • H03K19/00361G11C7/02G11C11/4074G11C11/4076G11C11/4096Y10T307/50
    • A semiconductor device includes: first and second power supply wirings VDDQ and VSSQ, respectively; an output circuit 12 arranged between VDDQ and VSSQ; and a noise cancellation circuit 13 arranged between VDDQ and VSSQ. The noise cancellation circuit 13 produces a damped oscillation for the SSN oscillation noise that is generated when a logic level outputted to an output node of the output circuit is switched and that exponentially damps and oscillates at a predetermined period. The damped oscillation produced by the noise cancellation circuit 13 is delayed by half a period of the SSN oscillation noise and has a direction opposite to that of the SSN oscillation noise and hence the damped oscillation and the SSN oscillation noise counteract each other.
    • 半导体器件分别包括:第一和第二电源配线VDDQ和VSSQ; 布置在VDDQ和VSSQ之间的输出电路12; 以及布置在VDDQ和VSSQ之间的噪声消除电路13。 噪声消除电路13产生用于当输出到输出电路的输出节点的逻辑电平被切换并且以预定周期指数衰减和振荡时产生的SSN振荡噪声的阻尼振荡。 由噪声消除电路13产生的阻尼振荡被延迟SSN振荡噪声的一半周期,并且具有与SSN振荡噪声相反的方向,因此阻尼振荡和SSN振荡噪声相互抵消。
    • 7. 发明申请
    • VEHICLE HEATING AND AIR CONDITIONING SYSTEM
    • 车辆加热和空调系统
    • US20130112390A1
    • 2013-05-09
    • US13810673
    • 2011-08-01
    • Fujio AraiYutaka UematsuTakayoshi Matsuoka
    • Fujio AraiYutaka UematsuTakayoshi Matsuoka
    • B60H1/00
    • B60H1/00764B60H1/00771B60H1/00785B60H1/00849
    • A vehicle heating and air conditioning system basically includes an interior/exterior air introducing structure, a heating device, a driving end time acquiring section and an interior/exterior air switching control section. The interior/exterior air introducing structure switches the flow of cabin intake air between an interior air recirculation mode and an exterior air introducing mode. The heating device heats the cabin intake air being introduced by the interior/exterior air introducing structure. The driving end time acquiring section estimates a driving end time corresponding to a point in time at which driving of a vehicle is predicted to end. The interior/exterior air switching control section switches the interior/exterior air introducing structure from the exterior air introducing mode to the interior air recirculation mode during a period of time from a prescribed point in time until the driving end time to restrict windshield fogging while in the interior air recirculation mode.
    • 车辆加热和空调系统基本上包括内部/外部空气引入结构,加热装置,行驶结束时间获取部分和内部/外部空气切换控制部分。 内部/外部空气引入结构在室内空气再循环模式和外部空气引入模式之间切换机舱进气的流动。 加热装置加热由内部/外部空气引入结构引入的舱室进气。 驾驶结束时间获取部估计对应于预测车辆行驶结束的时间点的驾驶结束时间。 内/外部空气切换控制部分在内部/外部空气引入结构从外部空气引入模式切换到内部空气再循环模式期间,从规定的时间点到驱动结束时间,以限制挡风玻璃起雾,同时在 内部空气再循环模式。
    • 9. 发明授权
    • Semiconductor device
    • 半导体器件
    • US07319267B2
    • 2008-01-15
    • US11712440
    • 2007-03-01
    • Yutaka UematsuHideki OsakaYoji NishioYukitoshi Hirose
    • Yutaka UematsuHideki OsakaYoji NishioYukitoshi Hirose
    • H01L23/02H01L23/34
    • H01L23/642H01L23/5223H01L23/5228H01L23/5286H01L23/647H01L25/105H01L2224/73204H01L2924/19105H01L2924/3011
    • In a prior art, there has been a method in which a power supply line of an output buffer and that of a control circuit are independently provided so that the power supply noise occurring in the control circuit will not affect the output buffer. However, this method has had the problems that it increases both the number of power supply/grounding pins and power feed line inductance.The present invention provides a technique which, without causing the above two problems, i.e., (1) increased number of power supply/grounding pins and (2) increased power feed line inductance, prevents the noise causing a problem in a control circuit, from becoming routed around and induced into an output buffer. More specifically, the above can be realized by using either of two methods: (A) providing an on-chip bypass capacitor for the control circuit and isolating a power feed route of the control circuit from that of the output buffer in an AC-like manner, or (B) designing electrical parameters (inserting resistors) such that the oscillation mode of any electrical parameter noise induced into the power feed routes will change to overdamping.
    • 在现有技术中,存在一种方法,其中独立地提供输出缓冲器的电源线和控制电路的电源线,使得控制电路中出现的电源噪声不会影响输出缓冲器。 然而,该方法存在增加电源/接地引脚数和馈电线电感的问题。 本发明提供一种技术,其不会引起上述两个问题,即(1)增加电源/接地引脚数量和(2)增加的馈电线电感,防止在控制电路中引起问题的噪声 变成路由并感应到输出缓冲区。 更具体地,可以通过以下两种方法之一来实现上述:(A)为控制电路提供片上旁路电容器,并将控制电路的馈电路径与AC类似的输出缓冲器的馈电路径隔离 方式或(B)设计电参数(插入电阻),使得引入馈电路径的任何电参数噪声的振荡模式将变为过阻尼。
    • 10. 发明授权
    • NOx catalyst regeneration method for NOx purifying system and NOx purifying system
    • NOx净化系统和NOx净化系统的NOx催化剂再生方法
    • US07168242B2
    • 2007-01-30
    • US10774490
    • 2004-02-10
    • Yutaka UematsuJin Yokoyama
    • Yutaka UematsuJin Yokoyama
    • F01N3/00
    • F02D41/0275B01D53/9495F02D2200/0802
    • This is a method for regenerating the NOx catalyst in a NOx purifying system provided in the exhaust passage with a direct reduction type NOx catalyst which directly decomposes the NOx during lean-condition operation and is regenerated at rich-condition operation, and the method prohibiting the rich-condition control when the temperature detected by a catalyst temperature detecting means is within the predetermined temperature range.Thus, when the exhaust gas are temporarily made rich-condition for catalyst regeneration which means recovering the NOx purifying ability of the direct reduction type NOx catalyst arranged in the exhaust passage of the engine, the NOx is prohibited from being discharged into the atmospheric air, and also the purifying ability can surely be recovered.
    • 这是在排气通路内设置的NOx净化系统中,使用直接还原型NOx催化剂再生NO x催化剂的方法,所述直接还原型NOx催化剂在稀薄状态运行中直接分解NOx并在富氧运行时再生,并且该方法禁止 当由催化剂温度检测装置检测到的温度在预定温度范围内时,进行浓缩状态控制。 因此,当废气临时处于催化剂再生的浓缩状态时,这意味着回收排放在发动机排气通道中的直接还原型NOx催化剂的NOx净化能力,可以禁止NOx排入大气中, 净化能力也可以肯定地恢复。