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公开(公告)号：US12132813B2
公开(公告)日：2024-10-29
申请号：US18105162
申请日：2023-02-02
发明人： Yu-Chieh Hsu , Ling-Wei Ke , Chun-Yu Chen , Hong-Yun Wei
IPC分类号： H04L7/00
CPC分类号： H04L7/0033
摘要： The present disclosure provides a calibration method and readable computer storage medium. The calibration method includes: configuring a reference signal source to output a reference signal; delaying the reference signal through a delay chain to output a delay signal; synchronous sampling the reference signal and the delay signal; adding 1 count and obtaining a final count value when the sampling result is in the preset state; determining whether a ratio between the count value and the first quantity is within a preset range; obtaining the average delay time according to the time width of the reference signal wave and the number of the delay units opened in the delay chain when the ratio is within the preset range; and outputting a control signal to the clock recovery circuit according to the average delay time to calibrate the delay time of the clock recovery circuit.
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公开(公告)号：US12132491B2
公开(公告)日：2024-10-29
申请号：US18074775
申请日：2022-12-05
发明人： Kyungho Ryu , Yongil Kwon , Kilhoon Lee , Jung-Pil Lim , Hyunwook Lim
CPC分类号： H03L7/091 , G06F1/10 , G11C7/222 , H04L7/0037 , H04L7/0087 , H04L7/033
摘要： The present disclosure provides methods and apparatuses for correcting skew. In some embodiments, a skew correcting device includes a plurality of samplers configured to sample first data based on a plurality of data clock signals with different phases, and a plurality of edge selectors configured to determine to switch at least one data clock signal of the plurality of data clock signals to an edge clock signal according to a sampling result of the plurality of samplers.
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公开(公告)号：US12122195B2
公开(公告)日：2024-10-22
申请号：US17436906
申请日：2020-03-19
CPC分类号： B60C23/0479 , B60C23/0462 , G07C5/008 , G08C17/02 , H04B1/3822 , B60C2019/004 , H04B1/00 , H04L7/00 , H04Q2209/43
摘要： A method for controlling, by a remote monitoring and/or control device, an activation of a command in a wheel unit that has previously stored a group of authorized UHF communication devices and checked whether a device that has sent a response message belongs to the group. If it does, the wheel unit sends a series of command-related signaling messages with each message associated with a single command. When the authorized device receives a message relating to a specific command that the authorized device requests to have activated by the wheel unit, the authorized device sends back to the wheel unit a standard response message interpreted as an activation order for the wheel unit to activate the specific command.
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公开(公告)号：US20240348419A1
公开(公告)日：2024-10-17
申请号：US18301152
申请日：2023-04-14
发明人： Canruo Ying , Yi-Han Cheng
IPC分类号： H04L7/00
CPC分类号： H04L7/0087
摘要： This application is directed to controlling bandwidths of clock recovery circuit in an electronic device. The electronic device includes a clock recovery circuit and a bandwidth controller coupled to the clock recovery circuit. The clock recovery circuit is configured to receive a data signal carrying a stream of data bits according to a reference clock frequency and recover a clock signal from the data signal. The bandwidth controller is configured to control the clock recovery circuit to start with a pull-in bandwidth, settle at a target bandwidth, and apply an intermediate bandwidth between the pull-in bandwidth and target bandwidth. The intermediate bandwidth is greater than the target bandwidth and less than the pull-in bandwidth. In some implementations, the bandwidth controller controls the clock recovery circuit to apply one or more additional bandwidths to the clock signal after the pull-in bandwidth and the intermediate bandwidth and before the target bandwidth.
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公开(公告)号：US20240348417A1
公开(公告)日：2024-10-17
申请号：US18751029
申请日：2024-06-21
发明人： Igal Kushnir
CPC分类号： H04L7/0016 , G04F10/005 , H03K3/017
摘要： A system includes a first device coupled with a link which transmits a signal having a repeating pattern, and a second device coupled with the link. The second device is to receive the signal, generate one or more delayed signals from the signal, determine a first duration of a first portion of the repeating pattern and a second duration of a second portion of the repeating pattern using the one or more delayed signals, and adjust a current duty cycle of the signal based on the first duration and the second duration.
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公开(公告)号：US20240345986A1
公开(公告)日：2024-10-17
申请号：US18592532
申请日：2024-03-01
申请人： ABLIC Inc.
发明人： Biao SHEN
CPC分类号： G06F13/4291 , H04L7/0008
摘要： A serial communication interface device includes a converter, a transmitter, and a receiver. The converter generates a first signal and a second signal based on changes in a clock signal, and a third signal and a fourth signal based on changes in a data signal, converts into the clock signal and the data signal based on the first to the fourth signals, sets the transmission start signal in response to receiving the fourth signal during a period where the clock signal is a first level, and sets the transmission end signal in response to reception of the third signal after reception of the first signal. The transmitter converts the first to the fourth signals into a communication signal and transmits the communication signal to a communication line. The receiver converts the communication signal received from the communication line into the first to the fourth signals.
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公开(公告)号：US12111353B2
公开(公告)日：2024-10-08
申请号：US18048437
申请日：2022-10-20
发明人： Shih-Hsuan Chiu , Meng-Che Li
IPC分类号： G01R31/317 , H04L7/00 , H04L7/033
CPC分类号： G01R31/31727 , G01R31/31726 , H04L7/0054 , H04L7/0331
摘要： A testing system includes a signal generator circuit, a jitter modulation circuit, and an oscilloscope circuit. The signal generator circuit is configured to generate a clock pattern signal with a single clock pattern frequency. The jitter modulation circuit is configured to generate a jitter signal. A device-under-test is configured to receive an input signal. The input signal is a combination signal of the clock pattern signal and the jitter signal. The device-under-test includes a clock data recovery circuit and is further configured to generate an output signal according to the input signal. The oscilloscope circuit is configured to receive the output signal for determining performance of the clock data recovery circuit.
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公开(公告)号：US20240330233A1
公开(公告)日：2024-10-03
申请号：US18601274
申请日：2024-03-11
发明人： Toshihisa Hyakuda , Junya Yamada , Satoshi Ota
CPC分类号： G06F13/4291 , G06F1/12 , G06F13/1668 , G06F13/4009 , G06F13/4282 , G06F13/4295 , H04L7/0012
摘要： A communication device includes communication circuitry configured to transmit a serial signal group conforming to a serial peripheral interface (SPI) and transmitted from a master in synchronization with a clock to a communication partner device as a batch of data blocks within one frame period of a predetermined communication protocol, or transmit the serial signal group to the communication partner device as a plurality of data blocks divided according to a plurality of frame periods.
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公开(公告)号：US12101391B2
公开(公告)日：2024-09-24
申请号：US18305056
申请日：2023-04-21
发明人： Do Seok Kim , Yong Hwan Mun , Myung Yu Kim , Hyun Pyo Cho
CPC分类号： H04L7/0087 , H04L7/02
摘要： The present disclosure relates to a data driving device and a method of driving the data driving device and, more particularly, to a data driving device and a method of driving the same in which a tuning of a set value of an internal circuit is automatically performed.
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公开(公告)号：US12101390B2
公开(公告)日：2024-09-24
申请号：US18096186
申请日：2023-01-12
发明人： Chih-Hsiu Zeng , Chang-Ming Lee
CPC分类号： H04L7/0054 , H04B1/1027
摘要： The present invention discloses a signal communication method having re-sampling mechanism that includes steps outlined below. Sampled data of a data signal is obtained. A time difference between an actual sampling time point and an ideal sampling time point is calculated. A closet time point closest to the ideal sampling time point within a sampling time interval is selected. Operation sampled data within a predetermined range around the target sampled data is selected from the sampled data. A group of response terms are retrieved from a pre-stored lookup table according to the closest time point to substitute the response terms and the time difference into a parameter calculation equation to generate a group of re-sampling response parameters. A calculation is performed based on the operation sampled data and the re-sampling response parameters to generate a re-sampled value of the target sampled data.
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