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    • 1. 发明申请
    • WHISTLE CAPABLE OF DETECTING AIR PRESSURE
    • 检测空气压力的能力
    • US20160314678A1
    • 2016-10-27
    • US15134113
    • 2016-04-20
    • Chia-Hung HSIEH
    • Chia-Hung HSIEH
    • G08B21/18G01F1/66G10K5/00
    • G01F1/666G01L7/024G10K5/00
    • A whistle capable of detecting an air pressure includes a housing and a circuit board module. The housing further includes a shell body and a division assembly. The shell body has an interior space. The division assembly dividing the interior space into an air chamber and an accommodation chamber further has a detection opening communicative in space with the air chamber. The air chamber has a blow hole for a user to blow an air into the air chamber. The circuit board module located in the shell body includes a main board and an air-pressure sensor. The main board partly at least located in the accommodation chamber has an air-detecting region respective to the detection opening The air-pressure sensor mounted in the air-detecting region is to detect the air and to transmit a corresponding detection signal upon detecting the air.
    • 能够检测气压的口哨包括壳体和电路板模块。 壳体还包括壳体和分割组件。 壳体具有内部空间。 将内部空间分成空气室和容纳室的分割组件还具有与空气室在空间中连通的检测开口。 空气室具有用于使用者将空气吹入空气室的吹气孔。 位于壳体中的电路板模块包括主板和空气压力传感器。 部分地至少位于容纳室中的主板具有与检测开口相对应的空气检测区域安装在空气检测区域中的空气压力传感器用于检测空气并在检测到空气时发送相应的检测信号 。
    • 4. 发明授权
    • Divider-less phase locked loop (PLL)
    • 无分频锁相环(PLL)
    • US08890626B2
    • 2014-11-18
    • US13586033
    • 2012-08-15
    • Yen-Jen ChenI-Ting LeeHsieh-Hung HsiehChewn-Pu JouFu-Lung HsuehShen-Iuan Liu
    • Yen-Jen ChenI-Ting LeeHsieh-Hung HsiehChewn-Pu JouFu-Lung HsuehShen-Iuan Liu
    • H03K3/03
    • H03K3/0322H03K3/0315H03L7/083H03L7/087H03L7/089H03L7/099
    • One or more techniques and systems for a divider-less phase locked loop (PLL) and associated phase detector (PD) are provided herein. In some embodiments, a pulse phase detector (pulsePD) signal, a voltage controlled oscillator positive differential (VCOP) signal, and a voltage controlled oscillator negative differential (VCON) signal are received. An up signal and a down signal for a first charge pump (CP) and an up signal and a down signal for a second CP are generated based on the pulsePD signal, the VCOP signal, and the VCON signal. For example, CP signals are generated to control the first CP and the second CP, respectively. In some embodiments, CP signals are generated such that the CPs facilitate adjustment of a zero crossing phase of the VCON and VCOP signals with respect to the pulsePD signal. In this manner, a divider-less PLL is provided, thus mitigating PLL power consumption.
    • 本文提供了一种用于无分频锁相环(PLL)和相关相位检测器(PD)的技术和系统。 在一些实施例中,接收脉冲相位检测器(pulsePD)信号,压控振荡器正差分(VCOP)信号和压控振荡器负差分(VCON)信号。 基于pulsePD信号,VCOP信号和VCON信号产生用于第一电荷泵(CP)的上升信号和下降信号以及用于第二CP的上升信号和下降信号。 例如,生成CP信号以分别控制第一CP和第二CP。 在一些实施例中,产生CP信号,使得CP有助于调整相对于pulsePD信号的VCON和VCOP信号的零交叉相位。 以这种方式,提供无分频PLL,从而减轻PLL功耗。
    • 6. 发明授权
    • Built-in self-test circuit for voltage controlled oscillators
    • 用于压控振荡器的内置自检电路
    • US08729968B2
    • 2014-05-20
    • US13103571
    • 2011-05-09
    • Hsieh-Hung HsiehMing Hsien TsaiTzu-Jin YehChewn-Pu JouFu-Lung Hsueh
    • Hsieh-Hung HsiehMing Hsien TsaiTzu-Jin YehChewn-Pu JouFu-Lung Hsueh
    • H03L5/00
    • G01R31/2824
    • A built-in self-test circuit for testing a voltage controlled oscillator comprises a voltage controlled oscillator, a buffer having an input coupled to an output of the voltage controlled oscillator and a radio frequency peak detector coupled to the output of the buffer. The radio frequency peak detector is configured to receive an ac signal from the voltage controlled oscillator and generate a dc value proportional to the ac signal at an output of the radio frequency peak detector. Furthermore, the output of the radio frequency peak detector generates a dc value proportional to an amplitude of the ac signal from the voltage controlled oscillator when the voltage controlled oscillator functions correctly. On the other hand, the output of the radio frequency peak detector is at zero volts when the voltage controlled oscillator fails to generate an ac signal.
    • 用于测试压控振荡器的内置自检电路包括压控振荡器,具有耦合到压控振荡器的输出的输入的缓冲器和耦合到缓冲器的输出的射频峰值检测器。 射频峰值检测器被配置为从压控振荡器接收交流信号,并且在射频峰值检测器的输出处产生与ac信号成比例的直流值。 此外,当压控振荡器正常工作时,射频峰值检测器的输出产生与来自压控振荡器的ac信号的幅度成比例的直流值。 另一方面,当压控振荡器不能产生交流信号时,射频峰值检测器的输出为零伏特。
    • 8. 发明授权
    • Methods and apparatus for reduced gate resistance finFET
    • 降低栅极电阻finFET的方法和装置
    • US08664729B2
    • 2014-03-04
    • US13325922
    • 2011-12-14
    • Chewn-Pu JouTzu-Jin YehHsieh-Hung Hsieh
    • Chewn-Pu JouTzu-Jin YehHsieh-Hung Hsieh
    • H01L27/088
    • H01L29/66795H01L29/42372H01L29/785
    • Methods and apparatus for reduced gate resistance finFET. A metal gate transistor structure is disclosed including a plurality of semiconductor fins formed over a semiconductor substrate, the fins being arranged in parallel and spaced apart; a metal containing gate electrode formed over the semiconductor substrate and overlying a channel gate region of each of the semiconductor fins, and extending over the semiconductor substrate between the semiconductor fins; an interlevel dielectric layer overlying the gate electrode and the semiconductor substrate; and a plurality of contacts disposed in the interlevel dielectric layer and extending through the interlevel dielectric layer to the gate electrode; a low resistance metal strap formed over the interlevel dielectric layer and coupled to the gate electrode by the plurality of contacts; wherein the plurality of contacts are spaced apart from the channel gate regions of the semiconductor fins. Methods for forming the reduced gate finFET are disclosed.
    • 降低栅极电阻finFET的方法和装置。 公开了一种金属栅极晶体管结构,其包括形成在半导体衬底上的多个半导体鳍片,所述鳍片平行布置并间隔开; 一个含金属的栅电极,形成在半导体衬底之上,并且覆盖每个半导体鳍片的沟道栅极区域,并且在半导体鳍片之间的半导体衬底上延伸; 覆盖所述栅电极和所述半导体衬底的层间电介质层; 以及多个触点,其布置在所述层间电介质层中并且延伸穿过所述层间电介质层到所述栅电极; 形成在所述层间电介质层上并且由所述多个触点耦合到所述栅电极的低电阻金属带; 其中所述多个触点与所述半导体鳍片的沟道栅极区域间隔开。 公开了形成栅极finFET的方法。