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    • 3. 发明授权
    • Input buffer circuit including reference voltage monitoring circuit
    • 输入缓冲电路,包括参考电压监控电路
    • US07064586B2
    • 2006-06-20
    • US10739097
    • 2003-12-19
    • Jung Pill KimJonghee Han
    • Jung Pill KimJonghee Han
    • H03K5/153H03K5/22
    • H03K19/00384H03K19/018528
    • A buffer circuit includes a differential amplifier, a buffering inverter, and a reference voltage monitoring circuit. The differential amplifier has a reference voltage and a current source as inputs. The buffering inverter has an output of the differential amplifier as an input. The reference voltage monitoring circuit includes two transistors and a second current source. An output of the reference voltage monitoring circuit is connected to the buffering inverter so as to minimize an effect of a variation in the value of the reference voltage on signal propagation delay times. The buffer circuit can further include a driver circuit with a comparator. A method of managing signal propagation delays includes providing a differential amplifier, providing at least one buffering inverter, and providing a reference voltage monitoring circuit. The reference voltage monitoring circuit can maintain signal propagation delays as a reference voltage varies.
    • 缓冲电路包括差分放大器,缓冲反相器和参考电压监视电路。 差分放大器具有参考电压和电流源作为输入。 缓冲反相器具有差分放大器的输出作为输入。 参考电压监视电路包括两个晶体管和一个第二电流源。 参考电压监视电路的输出端连接到缓冲反相器,以便最小化参考电压值对信号传播延迟时间的影响。 缓冲电路还可以包括具有比较器的驱动电路。 管理信号传播延迟的方法包括提供差分放大器,提供至少一个缓冲反相器,以及提供参考电压监视电路。 参考电压监视电路可以在参考电压变化时保持信号传播延迟。
    • 4. 发明授权
    • High resolution interleaved delay chain
    • 高分辨率交错延迟链
    • US06774691B2
    • 2004-08-10
    • US10337606
    • 2003-01-07
    • Jonghee HanJung Pill Kim
    • Jonghee HanJung Pill Kim
    • H03L706
    • H03L7/0814H03K5/133H03K2005/00058
    • An improved delay chain for use in a delay locked loop which provides smooth phase adjustment and high resolution. In a delay chain having a series of cascaded unit delay elements, the outputs of a pair of contiguous delay elements (N, N+1) are selected for input to a phase blender. A coarse delay adjustment is carried out by selecting the outputs of the next pair of contiguous delay elements (N+1, N+2) and thus affects only one of the phase blender inputs. The phase blender provides a fine delay adjustment by generating an output whose phase is a weighted combination of the inputs, the weights having an inverse relationship. A coarse delay adjustment which affects an input of the phase blender is carried out when the weighting of that input is zero. Fine-to-coarse hand-over problems which characterize known delay locked loops are thus avoided.
    • 用于延迟锁定环的改进的延迟链,其提供平滑的相位调整和高分辨率。 在具有一系列级联单元延迟元件的延迟链中,选择一对连续延迟元件(N,N + 1)的输出用于输入到相位混合器。 通过选择下一对连续延迟元件(N + 1,N + 2)的输出来执行粗略延迟调整,因此仅影响一个相位搅拌器输入。 相位混合器通过产生其相位是输入的加权组合的输出来提供精细的延迟调整,权重具有反比关系。 当该输入的加权为零时,执行影响相位混合器的输入的粗略延迟调整。 因此避免了表征已知延迟锁定环的细到粗移交问题。
    • 5. 发明授权
    • Duty cycle corrector
    • 占空比校正器
    • US07304517B2
    • 2007-12-04
    • US11442842
    • 2006-05-30
    • Joonho KimJung Pill KimJonghee Han
    • Joonho KimJung Pill KimJonghee Han
    • H03K3/017
    • G06F1/04H03K5/1565
    • A duty cycle corrector, including a first, second circuit and a third circuit is disclosed. The third circuit is configured to obtain a threshold value in response to charge flow that is regulated by the first circuit and the second circuit, wherein the first circuit is configured to receive a clock signal and change the charge flow at a first transition of the clock signal. The second circuit is configured to change the charge flow at a second transition of the clock signal. The first circuit and the second circuit are configured to change the charge flow in response to obtaining the threshold value.
    • 公开了包括第一,第二电路和第三电路的占空比校正器。 第三电路被配置为响应于由第一电路和第二电路调节的电荷流量获得阈值,其中第一电路被配置为接收时钟信号并且在时钟的第一转变处改变电荷流 信号。 第二电路被配置为在时钟信号的第二转变处改变电荷流。 第一电路和第二电路被配置为响应于获得阈值来改变电荷流。
    • 6. 发明授权
    • Duty cycle corrector
    • 占空比校正器
    • US07230465B2
    • 2007-06-12
    • US11032459
    • 2005-01-10
    • Joonho KimJung Pill KimJonghee Han
    • Joonho KimJung Pill KimJonghee Han
    • H03K3/017
    • G06F1/04H03K5/1565
    • A duty cycle corrector comprising a first circuit and a second circuit. The first circuit is configured to receive a clock signal having a first phase and a second phase and to obtain a first threshold value based on the length of the first phase and part of the second phase and provide a first pulse and response to the first threshold value. The second circuit is configured to receive the clock signal and to obtain a second threshold value based on the length of the second phase and part of the first phase and provide a second pulse in response to the second threshold value. The time between the start of the first pulse and the start of the second pulse is substantially one half clock cycle.
    • 一种占空比校正器,包括第一电路和第二电路。 第一电路被配置为接收具有第一相位和第二相位的时钟信号,并且基于第一相位的长度和第二相位的一部分来获得第一阈值,并且提供第一脉冲和对第一阈值的响应 值。 第二电路被配置为接收时钟信号并且基于第二相位的长度和第一相的一部分获得第二阈值,并且响应于第二阈值提供第二脉冲。 第一脉冲的开始和第二脉冲的开始之间的时间基本上是一个半个时钟周期。
    • 10. 发明申请
    • Membrane-electrode binder having dual electrode, method of manufacturing the binder, and fuel cell comprising the same
    • 具有双电极的膜 - 电极粘合剂,粘合剂的制造方法和包含该粘合剂的燃料电池
    • US20100279197A1
    • 2010-11-04
    • US12004273
    • 2007-12-19
    • Hyoung-Juhn KimJeung-woo LeeTae-Hoon LimJonghee HanHeung Yong HaEun Ae ChoSung Pil Yoon
    • Hyoung-Juhn KimJeung-woo LeeTae-Hoon LimJonghee HanHeung Yong HaEun Ae ChoSung Pil Yoon
    • H01M8/10H01M8/00
    • H01M4/8657H01M4/8668H01M4/8807H01M4/881H01M4/8821H01M4/8828H01M4/921H01M4/926H01M8/0234H01M8/1004Y02P70/56
    • A membrane-electrode binder for a fuel cell, a method of manufacturing the binder, and a fuel cell comprising the binder are provided, in which the membrane-electrode binder comprises a dual electrode constituted by a first electrode and a second electrode in a two-layer form, and a polymer electrolyte membrane disposed on the dual electrode, the dual electrode comprising an electrode substrate and a catalyst layer formed thereon. In detail, the membrane-electrode binder comprises the dual electrode that is constituted by the first electrode obtained by using a PBI-based binder, the second electrode obtained by using a PTFE-based binder, and an inorganic acid doped PBI-based polymer electrolyte membrane disposed on the dual electrode and coming in contact with the first electrode. In the configuration of the dual electrode, the PBI-based binder used for manufacturing the first electrode contributes to enhancing an adhesive strength with the inorganic acid doped PBI-based polymer electrolyte membrane, and the PTFE-based binder used for manufacturing the second electrode contributes to suppressing the emission of an inorganic acid from the inorganic acid doped PBI-based polymer electrolyte membrane, together improving the performance of a fuel cell.
    • 提供了一种用于燃料电池的膜 - 电极粘合剂,粘合剂的制造方法和包含该粘合剂的燃料电池,其中,所述膜 - 电极接合剂包括由第一电极和第二电极构成的双电极 并且设置在双电极上的聚合物电解质膜,所述双电极包括电极基板和形成在其上的催化剂层。 详细地说,膜 - 电极粘合剂包括由通过使用基于PBI的粘合剂获得的第一电极,通过使用PTFE基粘合剂获得的第二电极和无机酸掺杂的PBI基聚合物电解质构成的双电极 膜设置在双电极上并与第一电极接触。 在双电极的结构中,用于制造第一电极的PBI基粘合剂有助于提高与无机酸掺杂的PBI基聚合物电解质膜的粘合强度,并且用于制造第二电极的PTFE基粘合剂有助于 为了抑制无机酸掺杂的PBI系聚合物电解质膜的无机酸的排出,共同提高燃料电池的性能。