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    • 42. 发明申请
    • System and method for switching software functions
    • 用于切换软件功能的系统和方法
    • US20050055647A1
    • 2005-03-10
    • US10812873
    • 2004-03-31
    • Chung-Hui Chen
    • Chung-Hui Chen
    • G06F3/048G09G5/00
    • G06F3/0482G06F3/0489
    • A software function switching method and a system using the same that allows the user to set and operate a group of keys in an input unit as the hotkey sequence for switching and opening the sub-menu functions of application software. The user only needs to repeatedly press the first key of the hotkey sequence, and then intermittently press the second key of the hotkey sequence to send the input signals via the input unit into a data processing system. This method and system instructs the data processing system to count the number of times the user has pressed the hotkey, and, according to the count value, diagrams on the display unit corresponding to the sub-menu functions of the application software are sequentially switched and opened. When switched to the diagram for the sub-menu function that the user wishes to open, the first key of the hotkey is released, and the sub-menu function represented by the diagram can be opened. This allows the user to sequentially switch to and open every sub-menu function of the application software using only a set of hotkeys.
    • 一种软件功能切换方法及使用该软件功能切换方法的系统,其特征在于,允许用户将输入单元中的一组键设置和操作为用于切换和打开应用软件的子菜单功能的热键序列。 用户只需要反复按热键序列的第一个键,然后间歇地按下热键序列的第二个键,通过输入单元将输入信号发送到数据处理系统中。 该方法和系统指示数据处理系统对用户按下热键的次数进行计数,并且根据计数值,依次切换与应用软件的子菜单功能对应的显示单元上的图, 开了 当切换到用户希望打开的子菜单功能的图表时,热键的第一个键被释放,并且可以打开由图表示的子菜单功能。 这允许用户仅使用一组热键顺序地切换并打开应用软件的每个子菜单功能。
    • 44. 发明授权
    • Level shifter for ultra-deep submicron CMOS designs
    • US06414534B1
    • 2002-07-02
    • US09784819
    • 2001-02-20
    • Wen-Tai WangChung-Hui Chen
    • Wen-Tai WangChung-Hui Chen
    • H03L500
    • H03K3/012H03K3/356113H03K3/356182
    • New level shifting circuits, one using dynamic current compensation and one using dynamic voltage equalization, are described. An input swings between a low supply and ground. An output swings between a high supply and ground. An inverter input is connected to the input of the level shifting circuit to form an inverted level shifting input. A first NMOS transistor has the gate tied to the level shifting input and the source tied to ground. A first PMOS transistor has the gate tied to the level shifting output, the source tied to the high supply, and the drain tied to the first NMOS drain. A second NMOS transistor has the gate tied to the inverted level shifter input, the source tied to the ground, and the drain tied to the level shifting output. A second PMOS transistor has the gate tied to the first NMOS drain, the source tied to the high supply, and the drain is tied to the level shifting output. A third NMOS transistor has the gate tied to the first NMOS drain, v source tied to the level shifting input, and the drain tied to the level shifting output. A fourth NMOS transistor has the gate tied to the second NMOS drain, the source tied to the inverted level shifting input, and the drain tied to the first NMOS drain.
    • 45. 发明授权
    • Digital output buffer for MOSFET device
    • MOSFET器件的数字输出缓冲器
    • US06414524B1
    • 2002-07-02
    • US09812517
    • 2001-03-20
    • Chung-Hui Chen
    • Chung-Hui Chen
    • H03K300
    • H03K17/164
    • A digital output buffer for an integrated circuit such as a MOSFET includes slew rate control and reduced crowbar current. The buffer includes pull-up and pull-down networks coupled between the input and output of the buffer. Each of the networks includes a plurality of conductive switch elements that are sequentially turned on or off by means of RC networks that control the switching delay between the conductive switch elements, and thus the slew rate of the buffer. The RC network includes a plurality of unbalanced passgates, each of which includes a high resistance and a low resistance that can be selectively coupled into circuit with the conductive switch elements so as to better control the timing of the turn on and turn off of the network, and thereby reduce crowbar currents.
    • 用于诸如MOSFET的集成电路的数字输出缓冲器包括压摆率控制和减少的消弧电流。 缓冲器包括耦合在缓冲器的输入和输出之间的上拉和下拉网络。 每个网络包括多个导电开关元件,其通过控制导电开关元件之间的开关延迟的RC网络依次导通或关断,从而缓冲器的转换速率。 RC网络包括多个不平衡传送门,每个不平衡传递门包括高电阻和低电阻,其可以选择性地与导电开关元件耦合到电路中,以便更好地控制网络的接通和断开的定时 ,从而减少撬棒电流。
    • 47. 发明申请
    • SEMICONDUCTOR DEVICE FEATURE DENSITY GRADIENT VERIFICATION
    • 半导体器件特征密度梯度验证
    • US20130198710A1
    • 2013-08-01
    • US13362914
    • 2012-01-31
    • Young-Chow PengChung-Hui ChenChien-Hung ChenPo-Zeng Kang
    • Young-Chow PengChung-Hui ChenChien-Hung ChenPo-Zeng Kang
    • G06F17/50
    • G06F17/5081G03F1/36G03F1/70
    • A method for verifying that acceptable device feature gradients and device feature disparities are present in a semiconductor device layout, is provided. The method provides for dividing a device layout into a plurality of windows and measuring or otherwise determining the device feature density within each window. The device layout includes various device regions and the method provides for comparing an average device feature density within one region to surrounding areas or other regions and also for determining gradients of device feature densities. The gradients may be monitored from within a particular device region to surrounding regions. Instructions for carrying out the method may be stored on a computer readable storage medium and executed by a processor.
    • 提供了一种用于验证半导体器件布局中存在可接受的器件特征梯度和器件特征差异的方法。 该方法提供了将设备布局划分成多个窗口并且测量或以其他方式确定每个窗口内的设备特征密度。 设备布局包括各种设备区域,并且该方法提供了将一个区域内的平均设备特征密度与周围区域或其他区域进行比较,并且还用于确定设备特征密度的梯度。 可以从特定设备区域到周围区域监视梯度。 用于执行该方法的指令可以存储在计算机可读存储介质上并由处理器执行。