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公开(公告)号：US11342925B2
公开(公告)日：2022-05-24
申请号：US17296672
申请日：2020-08-13
Inventor： Xiangye Wei , Liming Xiu
Abstract: A signal generating electric circuit, a signal generating method, a digit-to-time converting electric circuit and a digit-to-time converting method. The signal generating electric circuit includes: a first generating electric circuit configured for, based on a first frequency control word and a reference time unit, generating a periodic first output signal; and a second generating electric circuit configured for, based on a second frequency control word and the reference time unit, generating a periodic second output signal. The first frequency control word includes a first integer part and a first fractional part, the second frequency control word includes a second integer part and a second fractional part, the first integer part is equal to the second integer part, the first fractional part and the second fractional part are not equal, and a period of the first output signal and a period of the second output signal are not equal.
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公开(公告)号：US10483990B2
公开(公告)日：2019-11-19
申请号：US15952531
申请日：2018-04-13
Applicant: BOE Technology Group Co., Ltd.
Inventor： Liming Xiu
Abstract: A frequency compensator, an electronic device, and a frequency compensation method are disclosed. The frequency compensator includes a control circuit and a frequency compensation circuit. The control circuit is configured to generate a frequency control word according to an initial frequency and an target frequency. The frequency compensation circuit is configured to receive an input signal of an initial frequency, and to generate and output an output signal of a compensated frequency according to the frequency control word and the input signal of the initial frequency.
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公开(公告)号：US11949420B2
公开(公告)日：2024-04-02
申请号：US17837214
申请日：2022-06-10
Inventor： Xiangye Wei , Liming Xiu , Yuhai Ma
CPC classification number: H03K5/1565 , G06F7/501 , H03K5/15066 , H03K5/26
Abstract: A clock spread spectrum circuit, an electronic equipment, and a clock spread spectrum method are disclosed. The clock spread spectrum circuit includes a control circuit, a signal generation circuit, and a duty cycle adjustment circuit. The duty cycle adjustment circuit is configured to generate a target voltage having a duty cycle that is equal to a target duty cycle, the control circuit is configured to generate a frequency control word according to a modulation parameter, and the frequency control word changes discretely with time; and the signal generation circuit is configured to receive the target voltage and the frequency control word and generate and output a spread spectrum output signal that is spectrum-spread according to the target voltage and the frequency control word, and the spread spectrum output signal corresponds to the frequency control word and a duty cycle of the spread spectrum output signal is the target duty cycle.
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公开(公告)号：US11893142B2
公开(公告)日：2024-02-06
申请号：US17503167
申请日：2021-10-15
Inventor： Xiangye Wei , Yiming Bai , Liming Xiu
CPC classification number: G06F21/725 , G06F1/08 , G06F21/73 , G06F2221/2103
Abstract: A digital fingerprint generation circuit based on an integrated circuit is provided. In the digital fingerprint generation circuit, a control unit is configured to: generate a first control word and a second control word, and transmit the first control word and the second control word to a first clock generator and a second clock generator respectively, so that the first clock generator generates a first clock signal based on the first control word, and the second clock generator generates a second clock signal based on the second control word; and a frequency detector generates a digital fingerprint of the integrated circuit based on the first clock signal and the second clock signal.
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公开(公告)号：US11789897B2
公开(公告)日：2023-10-17
申请号：US17427235
申请日：2020-10-27
Inventor： Xiangye Wei , Liming Xiu
CPC classification number: G06F15/80 , G06F9/30134
Abstract: A data processing circuit, a data processing method, and an electronic device are provided. The data processing circuit includes a first data processing sub-circuit and a second data processing sub-circuit. An output terminal of the first data processing sub-circuit is connected to an input terminal of the second data processing sub-circuit. The first data processing sub-circuit is configured to receive an original sequence to generate a first processed sequence. Each of first processed numbers in the first processed sequence is calculated from at least two pieces of original data in the original data. The second data processing sub-circuit is configured to receive the first processed sequence to generate a second processed sequence.
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Patent Agency Ranking
公开(公告)号：US11777541B2
公开(公告)日：2023-10-03
申请号：US17330561
申请日：2021-05-26
Inventor： Xiangye Wei , Liming Xiu
CPC classification number: H04B1/0475 , G06F1/10 , G06F9/30101 , H04B2001/0491
Abstract: Embodiments of the present disclosure provide a circuit and a method for digital fingerprint generation, and an electronic device. The digital fingerprint generation method includes inputting an input signal from outside; generating a frequency relationship indication signal between an input signal and a feedback signal; generating a frequency control signal based on the frequency relationship indication signal; generating an intermediate signal based on a frequency control signal and pulse signals; dividing the intermediate signal in frequency to generate the feedback signal; and generating a digital fingerprint based on the input signal and the feedback signal.
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公开(公告)号：US11381229B2
公开(公告)日：2022-07-05
申请号：US16980930
申请日：2019-04-23
Inventor： Xiangye Wei , Liming Xiu , Yuhai Ma
IPC: H03K5/1252 , G06F1/04 , H03K5/00
Abstract: A clock spread spectrum circuit, an electronic equipment, and a clock spread spectrum method are disclosed. The clock spread spectrum circuit includes a control circuit and a signal generation circuit. The control circuit is configured to generate a frequency control word according to a modulation parameter, and the frequency control word changes discretely with time; and the signal generation circuit is configured to receive the frequency control word and generate and output a spread spectrum output signal that is spectrum-spread according to the frequency control word, and the spread spectrum output signal corresponds to the frequency control word.
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公开(公告)号：US11012080B2
公开(公告)日：2021-05-18
申请号：US16633287
申请日：2019-01-02
Inventor： Xiangye Wei , Liming Xiu
Abstract: A frequency locked loop, an electronic device, and a frequency generation method are provided. The frequency locked loop includes: a control circuit, configured to judge a size relationship between an input frequency and a feedback frequency to obtain a control signal, and determine a frequency control word according to the control signal, in which the control signal includes a first sub-control signal and a second sub-control signal, the control circuit is configured to generate the first sub-control signal in a case where the input frequency is greater than the feedback frequency, and the control circuit is configured to generate the second sub-control signal different from the first sub-control signal in a case where the input frequency is less than the feedback frequency; and a digital control oscillation circuit, configured to generate and output an output signal having a target frequency according to the frequency control word.
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9.发明授权公开(公告)号：US10558238B2
公开(公告)日：2020-02-11
申请号：US15751615
申请日：2017-08-24
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Liming Xiu
Abstract: The present disclosure relates to a frequency source with an adjustable frequency, and related system, method and electronic device, in particular to a frequency source with an adjustable frequency comprising an input terminal for receiving an input voltage signal, wherein the frequency source identifies a frequency of the input voltage signal. The present disclosure relates to a system comprising the frequency source, a method for identifying the frequency of the voltage signal, and an electronic device comprising the frequency source.
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公开(公告)号：US11888488B2
公开(公告)日：2024-01-30
申请号：US17515233
申请日：2021-10-29
Inventor： Xiangye Wei , Liming Xiu
CPC classification number: H03L7/00 , H03K5/135 , H03K19/20 , H03K23/542
Abstract: An integrated circuit is provided. The integrated circuit includes: a clock source configured to: generate a clock signal of the integrated circuit; at least two functional circuits; and at least two clock generators corresponding to the functional circuits and configured to: determine initial phases of the corresponding functional circuits, and generate clock signals of the functional circuits based on the clock signal of the integrated circuit and the initial phases, so as to keep the clock signals of all the functional circuits synchronized, wherein the initial phases are determined based on transmission distances, over which the clock signal of the integrated circuit is transmitted from the clock source to the functional circuits, and loads of the functional circuits.
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