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1. 发明授权

US11921158B2 Fan-out buffer with skew control function, operating method thereof, and probe card including the same 有权
公开(公告)号：US11921158B2
公开(公告)日：2024-03-05
申请号：US18075542
申请日：2022-12-06
申请人： Samsung Electronics Co., Ltd.
发明人： Byung-Sung Kim , Yun-Hyok Choi , Gyuyeol Kim , Sungjung Kim , Cheol-Heui Park , Sanghoon Lee , Jae-Woong Choi
IPC分类号： G01R31/3177 , G01R1/073 , G01R23/165 , G01R25/04 , G01R31/317 , G01R31/3183 , G04F10/00
CPC分类号： G01R31/3177 , G01R1/07314 , G01R23/165 , G01R25/04 , G01R31/31713 , G01R31/31715 , G01R31/31724 , G01R31/31725 , G01R31/318328 , G04F10/005
摘要： Disclosed is a fan-out buffer which includes a first channel that includes a first delay circuit adjusting a first delay time of a calibration test signal depending on a first delay control signal, a second channel that includes a second delay circuit adjusting a second delay time of the calibration test signal depending on a second delay control signal, a first edge-to-pulse converter that detects a first edge included in a first time domain reflectometry (TDR) waveform of an output terminal of the first channel and generates a first start pulse signal including a first pulse, a second edge-to-pulse converter that generates a second start pulse signal including a second pulse, a stop pulse signal generator that generates a stop pulse signal including a first stop pulse, and a first delay control signal generator that calculates a phase difference generates the first delay control signal.

2. 发明申请

US20230099986A1 PATTERN GENERATOR AND BUILT-IN-SELF TEST DEVICE INCLUDING THE SAME 有权
公开(公告)号：US20230099986A1
公开(公告)日：2023-03-30
申请号：US17943551
申请日：2022-09-13
申请人： SAMSUNG ELECTRONICS CO., LTD.
发明人： Juyun LEE , Hanseok KIM , Jiyoung KIM , Jaehyun PARK , Hyeonju LEE , Kangjik KIM , Sunggeun KIM , Seuk SON , Hobin SONG , Nakwon LEE
IPC分类号： G01R25/04 , H03L7/08 , H03L7/085
摘要： An apparatus for generating an output signal having a waveform that is repeated every period, includes a storage configured to store values corresponding to the waveform in a portion of a period of the output signal, a counter configured to generate a first index of a sample included in the output signal, a controller configured to generate at least one control signal based on the first index and the period of the output signal, and a calculation circuit configured to generate the output signal by calculating an output from the storage based on the at least one control signal.

3. 发明授权

US11525849B2 Method and device for improving phase measurement accuracy 有权
公开(公告)号：US11525849B2
公开(公告)日：2022-12-13
申请号：US17281970
申请日：2019-10-12
申请人： DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD
发明人： Yong Zhang , Jing Shi
IPC分类号： H04L1/16 , H04L25/02 , G01R23/16 , G01R25/04 , H04L1/24
摘要： A method and device for increasing an accuracy of a phase measurement, wherein the method includes: receiving a measurement signal; performing a frequency-domain transformation to the measurement signal to obtain a frequency-domain measurement sequence; determining phases that correspond to frequency-domain measurement signals, and determining a phase difference between the frequency-domain measurement signals that correspond to two neighboring specified frequency points; according to the phases, the phase difference and a window function, performing a sliding-window-type phase fitting to the frequency-domain measurement sequence, to obtain phase-fitting data that correspond to sliding windows; and according to the phase-fitting data of the sliding windows, determining phase-calibration data that correspond to the sliding windows, and, by using the phase-calibration data of the sliding windows, forming phase-calibration data within a specified frequency band. The method reduces an error of fitting, and increases an accuracy of a phase calibration.

4. 发明授权

US11493660B2 Inspection device 有权
公开(公告)号：US11493660B2
公开(公告)日：2022-11-08
申请号：US16966525
申请日：2019-01-31
申请人： CANON DENSHI KABUSHIKI KAISHA
发明人： Takahiro Matsuoka , Masahiro Kawase
IPC分类号： G01N27/72 , G01R33/12 , G01V3/08 , G01N22/04 , G01N22/00 , G01N33/28 , G01R27/04 , G01R25/04 , G01R27/22 , G01N27/82 , G01N27/90
摘要： The inspection device includes: a conveyance route that conveys an inspection object at moving speed v; a first magnetic detector and a second magnetic detector that detect a magnetic field of a magnetic foreign object contained in the inspection object; an amplifying unit that amplifies detection signals of the first magnetic detector and the second magnetic detector; and a computation processing unit that performs processing of multiplying the detection signal of the second magnetic detector by a signal obtained by delaying the detection signal of the first magnetic detector. The first magnetic detector and the second magnetic detector each include one magnetic sensor and the magnetic sensors form a pair.

5. 发明授权

US11158944B2 Integrated multi-channel RF circuit with phase sensing 有权
公开(公告)号：US11158944B2
公开(公告)日：2021-10-26
申请号：US16244712
申请日：2019-01-10
申请人： Infineon Technologies AG
发明人： Jochen O. Schrattenecker , Niels Christoffers , Vincenzo Fiore , Bernhard Gstoettenbauer , Helmut Kollmann , Alexander Melzer , Alexander Onic , Rainer Stuhlberger , Mathias Zinnoecker
IPC分类号： H01Q3/36 , G01S7/35 , G01S7/40 , H03L7/06 , G01S13/02 , G01S13/34 , G01S7/03 , G01S13/88 , G01S13/931 , H04B1/16 , H04B1/10 , G01R25/04
摘要： A circuit is described herein. In accordance with one embodiment the circuit includes two or more RF channels, wherein each channel includes an input node, a phase shifter and an output node. Each channel is configured to receive an RF oscillator signal at the input node and to provide an RF output signal at the output node. The circuit further includes an RF combiner circuit that is coupled with the outputs of the RF channels and configured to generate a combined signal representing a combination of the RF output signals, and a monitor circuit that includes a mixer and is configured to receive and down-convert the combined signal using an RF reference signal. Thus a mixer output signal is generated that depends on the phases of the RF output signals.

6. 发明授权

US10804749B2 Method for detecting foreign object, wireless power transfer control apparatus, and wireless power transfer apparatus using the same 有权
公开(公告)号：US10804749B2
公开(公告)日：2020-10-13
申请号：US15915425
申请日：2018-03-08
申请人： HYUNDAI MOTOR COMPANY , KIA MOTORS CORPORATION , RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
发明人： Woo Young Lee , Gyu Yeong Choe , Jae Eun Cha , Min Jung Kim , Byoung Kuk Lee , Min Kook Kim , Sang Joon Ann , Jong Eun Byun
IPC分类号： H02J50/60 , H02J50/12 , G01R25/04 , H02M3/335 , H02M7/06 , H02J7/02 , H02M7/5387 , B60L53/12 , H02M7/48
摘要： A method for detecting a foreign object between a transmission pad and a reception pad for wireless power transfer (WPT) may comprise: performing, by a processor, a zero phase angle (ZPA) control for a power transfer converter included in or connected to the transmission pad; detecting, by the processor, a phase difference between an input current and an input voltage of the power transfer converter; and determining, by the processor, whether or not the foreign object exists between the transmission pad and the reception pad by comparing the phase difference with a reference value.

7. 发明授权

US10444267B2 Signal processor 有权
公开(公告)号：US10444267B2
公开(公告)日：2019-10-15
申请号：US15570986
申请日：2016-07-12
申请人： KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
发明人： Yukihiro Tadokoro , Hiroya Tanaka
IPC分类号： G01R25/00 , H01P1/18 , H03C1/46 , H03C3/28 , H03H9/24 , H03H9/66 , H03C1/02 , H03C3/02 , G01R25/04
摘要： To realize a compact device that detects phase or controls phase or an amplitude with high sensitivity, a signal controller includes: a linear conductor having a first end fixed to a negative electrode and a second end serving as a free end; a positive electrode facing the free end with a small gap therebetween; a first signal source that applies a voltage between the negative electrode and the positive electrode, the voltage applied being variable; a driving electrode that applies an electric field to a space around the conductor, the electric field having a component perpendicular to the lengthwise direction of the conductor; and a second signal source that applies an AC signal to the driving electrode. The signal processor can be a device for controlling or modulating phase or amplitude.

8. 发明申请

US20190052126A1 METHOD FOR DETECTING FOREIGN OBJECT, WIRELESS POWER TRANSFER CONTROL APPARATUS, AND WIRELESS POWER TRANSFER APPARATUS USING THE SAME 审中-公开
公开(公告)号：US20190052126A1
公开(公告)日：2019-02-14
申请号：US15915425
申请日：2018-03-08
申请人： HYUNDAI MOTOR COMPANY , KIA MOTORS CORPORATION , RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
发明人： Woo Young LEE , Gyu Yeong CHOE , Jae Eun CHA , Min Jung KIM , Byoung Kuk LEE , Min Kook KIM , Sang Joon ANN , Jong Eun BYUN
IPC分类号： H02J50/60 , H02J50/12 , G01R25/04
摘要： A method for detecting a foreign object between a transmission pad and a reception pad for wireless power transfer (WPT) may comprise: performing, by a processor, a zero phase angle (ZPA) control for a power transfer converter included in or connected to the transmission pad; detecting, by the processor, a phase difference between an input current and an input voltage of the power transfer converter; and determining, by the processor, whether or not the foreign object exists between the transmission pad and the reception pad by comparing the phase difference with a reference value.

9. 发明申请

US20170230042A1 PHASE DIFFERENCE DETECTING DEVICE 有权
公开(公告)号：US20170230042A1
公开(公告)日：2017-08-10
申请号：US15495114
申请日：2017-04-24
申请人： FUJITSU LIMITED
发明人： Toshihiro SHIMURA
IPC分类号： H03K5/26 , G01R25/04 , G01R25/00
CPC分类号： H03K5/26 , G01R25/005 , G01R25/04 , H01Q3/267 , H01Q3/2694 , H01Q3/38 , H04B7/04 , H04B17/104 , H04B17/12
摘要： A phase adjustment device includes: a detection signal generator configured to generate a pair of first and second detection signals for detecting a phase difference between two signals whose phases have been adjusted by two phase adjusters, respectively, a maximum sensitivity phase difference of one of the first and second detection signals being not overlap with that of the other, and detection sensitivity of the phase difference becoming maximum at the maximum sensitivity phase difference; a detection signal selector configured to select one of the first and second detection signals whose predetermined range around the maximum sensitivity phase difference covers a preset phase difference; and a phase controller configured to control an amount of phase-adjusting by at least one of the two phase adjusters based on a difference between the phase difference detected within the predetermined range using the selected detection signal and the preset phase difference.

10. 发明申请

US20160072495A1 PHASE ADJUSTMENT DEVICE, PHASE DIFFERENCE DETECTING DEVICE AND PHASE-ADJUSTING METHOD 有权
标题翻译：相位调整装置，相位差检测装置及相位调整方法
公开(公告)号：US20160072495A1
公开(公告)日：2016-03-10
申请号：US14808881
申请日：2015-07-24
申请人： FUJITSU LIMITED
发明人： Toshihiro SHIMURA
IPC分类号： H03K5/26 , G01R25/00 , G01R25/04
CPC分类号： H03K5/26 , G01R25/005 , G01R25/04 , H01Q3/267 , H01Q3/2694 , H01Q3/38 , H04B7/04 , H04B17/104 , H04B17/12
摘要： A phase adjustment device includes: a detection signal generator configured to generate a pair of first and second detection signals for detecting a phase difference between two signals whose phases have been adjusted by two phase adjusters, respectively, a maximum sensitivity phase difference of one of the first and second detection signals being not overlap with that of the other, and detection sensitivity of the phase difference becoming maximum at the maximum sensitivity phase difference; a detection signal selector configured to select one of the first and second detection signals whose predetermined range around the maximum sensitivity phase difference covers a preset phase difference; and a phase controller configured to control an amount of phase-adjusting by at least one of the two phase adjusters based on a difference between the phase difference detected within the predetermined range using the selected detection signal and the preset phase difference.
摘要翻译：一种相位调整装置，包括：检测信号发生器，被配置为产生一对第一检测信号和第二检测信号，用于检测相位已被两个相位调整器调整的两个信号之间的相位差，第一和第二检测信号与另一检测信号不重叠，并且相位差的检测灵敏度在最大灵敏度相位差处变为最大; 检测信号选择器，被配置为选择第一和第二检测信号之一，其中最大灵敏度相位差周围的预定范围覆盖预设相位差; 以及相位控制器，被配置为基于使用所选择的检测信号在预定范围内检测的相位差与预设相位差之间的两个相位调整器中的至少一个相位调整的量来控制。

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