专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US08761025B2 Method for testing the communication performance of a plurality of wireless signal access devices 有权
标题翻译：用于测试多个无线信号接入设备的通信性能的方法
公开(公告)号：US08761025B2
公开(公告)日：2014-06-24
申请号：US13428139
申请日：2012-03-23
申请人： Chien-Lung Lee , Yi-Ming Wang , Chih-Hsien Shen
发明人： Chien-Lung Lee , Yi-Ming Wang , Chih-Hsien Shen
IPC分类号： H04J1/16 , H04W24/06
CPC分类号： H04W24/06 , H04W84/12
摘要： A method used for testing the communication performance of a plurality of wireless signal access devices, and the steps of the testing method of each wireless signal access device include: (a). booting up the wireless signal access device; (b). activating said the wireless signal access device to transmit or receive testing packets to test the communication performance of the wireless signal access device. The feature of the present invention lies in completing a step a of the next wireless signal access device before completing a step b of a first wireless signal access device, and starting the step b of the next wireless signal access device in an appropriate timing after completing the step b of the first wireless signal access device, thereby reaching the goal of reducing the test time.
摘要翻译：一种用于测试多个无线信号接入设备的通信性能的方法，以及每个无线信号接入设备的测试方法的步骤包括：（a）。启动无线信号接入设备; （b）。激活所述无线信号接入设备以发送或接收测试分组以测试无线信号接入设备的通信性能。本发明的特征在于在完成第一无线信号接入设备的步骤b之前完成下一个无线信号接入设备的步骤a，并且在完成后的适当的时间开始下一个无线信号接入设备的步骤b 第一无线信号接入装置的步骤b，从而达到减少测试时间的目的。

2. 发明申请

US20090115540A1 CONTROLLABLE OSCILLATING SYSTEM AND RELATED METHOD FOR SELECTIVELY ADJUSTING CURRENTS PASSING THROUGH CROSS-COUPLING DRIVING DEVICE 失效
标题翻译：可控振荡系统和相关方法，用于选择性地调整通过交叉耦合驱动装置通过的电流
公开(公告)号：US20090115540A1
公开(公告)日：2009-05-07
申请号：US11936780
申请日：2007-11-07
申请人： Chih-Hsien Shen
发明人： Chih-Hsien Shen
IPC分类号： H03B5/12
CPC分类号： H03B5/1228 , H03B5/1215 , H03B5/1243 , H03B2200/0062
摘要： A controllable oscillating system for generating a differential oscillating signal is disclosed. The controllable oscillating system includes an oscillating circuit and a current adjusting device. The oscillating circuit includes a controllable resonator, a cross-coupling driving device, and a current source. The cross-coupling driving device is coupled to the controllable resonator and utilized for driving the controllable resonator to generate the differential oscillating signal. The current source is coupled to the cross-coupling driving device and utilized for providing a first current. The current adjusting device is coupled to the cross-coupling driving device and utilized for adjusting currents passing through the cross-coupling driving device.
摘要翻译：公开了一种用于产生差分振荡信号的可控振荡系统。可控振荡系统包括振荡电路和电流调节装置。振荡电路包括可控谐振器，交叉耦合驱动装置和电流源。交叉耦合驱动装置耦合到可控谐振器并用于驱动可控谐振器以产生差分振荡信号。电流源耦合到交叉耦合驱动装置并用于提供第一电流。电流调节装置耦合到交叉耦合驱动装置，用于调节通过交叉耦合驱动装置的电流。

3. 发明授权

US06504134B1 Temperature controlling protection system for heater of wet etching device 有权
标题翻译：湿式蚀刻装置加热器温度控制保护系统
公开(公告)号：US06504134B1
公开(公告)日：2003-01-07
申请号：US09660996
申请日：2000-09-13
申请人： Dwo-Yao Sheu , Kuo-Cheng Chang , Chih-Hsien Shen , Chia-Hsing Huang
发明人： Dwo-Yao Sheu , Kuo-Cheng Chang , Chih-Hsien Shen , Chia-Hsing Huang
IPC分类号： H05B102
CPC分类号： H01L21/67248 , Y10T307/773
摘要： A temperature controlling protection system for a heater of the wet etching device has a temperature controlling protection circuit and a heating ON/OFF controller, in which the temperature controlling circuit has an OR gate, an AND gate and a NOT gate. When the temperature controlling protection circuit receives signals from the wet etching device, such as a level signal for a level sensor, an overheated signal for a temperature sensor, a ON/OFF signal for an acid discharging switch, a protection signal and a caution signal for the heater 28 and output signal for a constant temperature controller, it is determined whether the heater of the wet etching device is actuated to provide heat to the reaction gas in the wet etching device.
摘要翻译：湿蚀刻装置的加热器的温度控制保护系统具有温度控制保护电路和加热ON / OFF控制器，其中温度控制电路具有或门，与门和非门。当温度控制保护电路接收来自湿式蚀刻装置的信号，例如电平传感器的电平信号，温度传感器的过热信号，酸性放电开关的ON / OFF信号，保护信号和警告信号对于加热器28和用于恒温控制器的输出信号，确定湿蚀刻装置的加热器是否被致动以向湿式蚀刻装置中的反应气体提供热量。

4. 发明授权

US08791732B2 Phase locked loop 有权
标题翻译：锁相环
公开(公告)号：US08791732B2
公开(公告)日：2014-07-29
申请号：US13291498
申请日：2011-11-08
申请人： Jui-Lin Hsu , Chih-Hsien Shen , Chunwei Chang , Jing-Hong Conan Zhan
发明人： Jui-Lin Hsu , Chih-Hsien Shen , Chunwei Chang , Jing-Hong Conan Zhan
IPC分类号： H03L7/06
CPC分类号： H01L23/5225 , H01L23/5227 , H01L2924/0002 , H03L7/093 , H01L2924/00
摘要： A phase locked loop is provided. The phase locked loop includes a detector, a controlled oscillator and a filtering unit coupled between the detector and the controlled oscillator. The detector generates a phase difference signal according to a reference frequency and an oscillation signal. The controlled oscillator generates the oscillation signal according to a filtered signal. The filtering unit filters the phase difference signal to generate the filtered signal, and the filtering unit has a high frequency filter of which a pole is greater than the reference frequency and less than a frequency of the oscillation signal.
摘要翻译：提供锁相环。锁相环包括耦合在检测器和受控振荡器之间的检测器，受控振荡器和滤波单元。检测器根据参考频率和振荡信号产生相位差信号。受控振荡器根据滤波信号产生振荡信号。滤波单元对相位差信号进行滤波以生成滤波信号，滤波单元具有高于基准频率的极点并且小于振荡信号的频率的高频滤波器。

5. 发明申请

US20120286834A1 PHASE LOCKED LOOP 有权
标题翻译：相位锁定环
公开(公告)号：US20120286834A1
公开(公告)日：2012-11-15
申请号：US13291498
申请日：2011-11-08
申请人： Jui-Lin Hsu , Chih-Hsien Shen , Chunwei Chang , Jing-Hong Conan Zhan
发明人： Jui-Lin Hsu , Chih-Hsien Shen , Chunwei Chang , Jing-Hong Conan Zhan
IPC分类号： H03L7/08
CPC分类号： H01L23/5225 , H01L23/5227 , H01L2924/0002 , H03L7/093 , H01L2924/00
摘要： A phase locked loop is provided. The phase locked loop includes a detector, a controlled oscillator and a filtering unit coupled between the detector and the controlled oscillator. The detector generates a phase difference signal according to a reference frequency and an oscillation signal. The controlled oscillator generates the oscillation signal according to a filtered signal. The filtering unit filters the phase difference signal to generate the filtered signal, and the filtering unit has a high frequency filter of which a pole is greater than the reference frequency and less than a frequency of the oscillation signal.
摘要翻译：提供锁相环。锁相环包括耦合在检测器和受控振荡器之间的检测器，受控振荡器和滤波单元。检测器根据参考频率和振荡信号产生相位差信号。受控振荡器根据滤波信号产生振荡信号。滤波单元对相位差信号进行滤波以生成滤波信号，滤波单元具有高于基准频率的极点并且小于振荡信号的频率的高频滤波器。

6. 发明授权

US07737797B2 Controllable oscillating system and related method for selectively adjusting currents passing through cross-coupling driving device 失效
标题翻译：可控振荡系统及相关方法，用于选择性地调节通过交叉耦合驱动装置的电流
公开(公告)号：US07737797B2
公开(公告)日：2010-06-15
申请号：US11936780
申请日：2007-11-07
申请人： Chih-Hsien Shen
发明人： Chih-Hsien Shen
IPC分类号： H03K3/282 , H03B5/08
CPC分类号： H03B5/1228 , H03B5/1215 , H03B5/1243 , H03B2200/0062
摘要： A controllable oscillating system for generating a differential oscillating signal is disclosed. The controllable oscillating system includes an oscillating circuit and a current adjusting device. The oscillating circuit includes a controllable resonator, a cross-coupling driving device, and a current source. The cross-coupling driving device is coupled to the controllable resonator and utilized for driving the controllable resonator to generate the differential oscillating signal. The current source is coupled to the cross-coupling driving device and utilized for providing a first current. The current adjusting device is coupled to the cross-coupling driving device and utilized for adjusting currents passing through the cross-coupling driving device.
摘要翻译：公开了一种用于产生差分振荡信号的可控振荡系统。可控振荡系统包括振荡电路和电流调节装置。振荡电路包括可控谐振器，交叉耦合驱动装置和电流源。交叉耦合驱动装置耦合到可控谐振器并用于驱动可控谐振器以产生差分振荡信号。电流源耦合到交叉耦合驱动装置并用于提供第一电流。电流调节装置耦合到交叉耦合驱动装置，用于调节通过交叉耦合驱动装置的电流。

7. 发明授权

US07271649B2 DC offset calibration apparatus 有权
标题翻译：直流偏移校准装置
公开(公告)号：US07271649B2
公开(公告)日：2007-09-18
申请号：US11162897
申请日：2005-09-27
申请人： Chinq-Shiun Chiu , Chih-Hsien Shen , Shou-Tsung Wang , Chi-Kun Chiu
发明人： Chinq-Shiun Chiu , Chih-Hsien Shen , Shou-Tsung Wang , Chi-Kun Chiu
IPC分类号： H03F1/02
CPC分类号： H03F3/45973 , H03F1/02 , H03F1/3211 , H03F1/34 , H03F3/45475 , H03F2200/78
摘要： A DC offset calibration device for calibrating a DC offset of an output signal of a gain stage, the DC offset calibration device includes: a digital-to-analog converter (DAC) electrically connected to the gain stage for generating an offset current according to the DC offset of the output signal of the gain stage; and a current-to-current converter electrically connected to the DAC and the gain stage for reducing the signal scale of the offset current to generate a compensation signal so as to reduce the DC offset at the output of the gain stage.
摘要翻译：用于校准增益级的输出信号的DC偏移的DC偏移校准装置，所述DC偏移校准装置包括：电连接到所述增益级的数模转换器（DAC），用于根据所述增益级产生偏移电流增益级输出信号的直流偏移; 以及电连接到DAC和增益级的电流 - 电流转换器，用于减小偏移电流的信号标度以产生补偿信号，以便减小增益级的输出处的DC偏移。

8. 发明申请

US20120286391A1 SEMICONDUCTOR CIRCUIT 审中-公开
标题翻译：半导体电路
公开(公告)号：US20120286391A1
公开(公告)日：2012-11-15
申请号：US13291461
申请日：2011-11-08
申请人： Chih-Hsien Shen , Jui-Lin Hsu , Chunwei Chang , Jing-Hong Conan Zhan
发明人： Chih-Hsien Shen , Jui-Lin Hsu , Chunwei Chang , Jing-Hong Conan Zhan
IPC分类号： H01L27/06
CPC分类号： H01L23/5225 , H01L23/5227 , H01L2924/0002 , H01L2924/00
摘要： A semiconductor circuit is provided. The semiconductor circuit includes a metal layer, a conductive layer disposed under the metal layer and a semiconductor device disposed under the conductive layer. The metal layer forms an inductor device. The semiconductor device is coupled to the inductor device.
摘要翻译：提供半导体电路。半导体电路包括金属层，设置在金属层下方的导电层和设置在导电层下方的半导体器件。金属层形成电感器件。半导体器件耦合到电感器件。

9. 发明授权

US08674772B2 Oscillating signal generator utilized in phase-locked loop and method for controlling the oscillating signal generator 有权
标题翻译：用于锁相环的振荡信号发生器和控制振荡信号发生器的方法
公开(公告)号：US08674772B2
公开(公告)日：2014-03-18
申请号：US13430664
申请日：2012-03-26
申请人： Chih-Hsien Shen
发明人： Chih-Hsien Shen
IPC分类号： H03L7/00
CPC分类号： H03L1/02 , H03L7/099 , H03L2207/06
摘要： An oscillating signal generator utilized in a phase-locked loop (PLL) includes: an oscillating circuit arranged to generate an oscillating signal according to at least a first control signal; and a control circuit, arranged to adjust the first control signal according to a temperature; and the first control signal is tuned between a first boundary and a second boundary, and when the temperature is closer to a first temperature boundary than a second temperature boundary, and the control circuit is arranged to make the first control signal to be closer to the first boundary than the second boundary such that the oscillating circuit outputs the oscillating signal of a predetermined frequency in a locked mode of the PLL.
摘要翻译：在锁相环（PLL）中使用的振荡信号发生器包括：振荡电路，被布置成根据至少第一控制信号产生振荡信号; 以及控制电路，被配置为根据温度调节第一控制信号; 并且第一控制信号在第一边界和第二边界之间被调谐，并且当温度比第二温度边界更接近于第一温度边界时，并且控制电路被布置成使第一控制信号更接近第一边界，使得振荡电路在PLL的锁定模式下输出预定频率的振荡信号。

10. 发明申请

US20130141149A1 APPARATUS AND METHOD FOR DUTY CYCLE CALIBRATION 有权
标题翻译：用于周期校准的装置和方法
公开(公告)号：US20130141149A1
公开(公告)日：2013-06-06
申请号：US13612729
申请日：2012-09-12
申请人： Yu-Li HSUEH , Chih-Hsien SHEN , Jing-Hong Conan ZHAN
发明人： Yu-Li HSUEH , Chih-Hsien SHEN , Jing-Hong Conan ZHAN
IPC分类号： H03K3/017
CPC分类号： H03K3/017 , H03K5/1565
摘要： An apparatus for duty cycle calibration includes an input calibration circuit, a delay chain, a first comparator, and a second comparator. The input calibration circuit calibrates an input clock signal according to a first control signal so as to generate an input calibration clock signal. The delay chain includes a plurality of delay units coupled in series, and delays the input calibration clock signal so as to generate a first delay clock signal and a second delay clock signal. At least two of the delay units each have an adjustable delay time which is controlled according to a second control signal. The first comparator compares the input calibration clock signal with the first delay clock signal so as to generate the first control signal. The second comparator compares the input calibration clock signal with the second delay clock signal so as to generate the second control signal.
摘要翻译：用于占空比校准的装置包括输入校准电路，延迟链，第一比较器和第二比较器。输入校准电路根据第一控制信号校准输入时钟信号，以产生输入校准时钟信号。延迟链包括串联耦合的多个延迟单元，并延迟输入校准时钟信号，以产生第一延迟时钟信号和第二延迟时钟信号。延迟单元中的至少两个具有根据第二控制信号来控制的可调延迟时间。第一比较器将输入校准时钟信号与第一延迟时钟信号进行比较，以产生第一控制信号。第二比较器将输入校准时钟信号与第二延迟时钟信号进行比较，以产生第二控制信号。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式