公开(公告)号：US20150362379A1

公开(公告)日：2015-12-17

申请号：US14578276

申请日：2014-12-19

申请人： SK hynix Inc. ,  SNU R&DB FOUNDATION

发明人： Cyu-Yeol RHEE ,  Hyunjoong LEE ,  Suhwan KIM

IPC分类号： G01K7/00

CPC分类号： G01K7/00 ,  G01K7/01 ,  G01K7/25

摘要： A temperature voltage generator includes a control voltage generation circuit configured to receive a reference voltage and to output a control voltage that changes according to temperature, a temperature voltage generation circuit configured to amplify the control voltage and to output a temperature voltage that changes according to temperature, and a linear compensation circuit connected to the control voltage generation circuit and configured to improve the linearity of the temperature voltage.

摘要翻译： 温度电压发生器包括：控制电压产生电路，被配置为接收参考电压并输出根据温度变化的控制电压;温度电压发生电路，被配置为放大控制电压并输出温度随温度变化的温度电压 以及连接到控制电压产生电路并被配置为提高温度电压的线性度的线性补偿电路。

公开(公告)号：US20180027324A1

公开(公告)日：2018-01-25

申请号：US15548885

申请日：2016-01-27

申请人： SNU R&DB FOUNDATION

发明人： Suhwan KIM ,  Seyun KIM ,  Minjae KIM

IPC分类号： H04R1/40 ,  H04R1/08 ,  H04R1/32 ,  H04R3/00

CPC分类号： H04R1/40 ,  H04R1/08 ,  H04R1/326 ,  H04R3/005 ,  H04R2430/20

摘要： A sound data processing system includes a plurality of sound collecting terminals and a server, wherein each of the plurality of sound collecting terminals and each of the plurality of sound providing terminals includes a sound collecting means that collects a sound while having a position and an orientation direction, a sound providing means that provides a sound while having an orientation direction, a position detecting means that detects the positions of the sound collecting means and the sound providing means, a direction detecting means that detects the orientation directions, and a communication module that transmits sound data corresponding to the sound collected by the sound collecting means and supplementary data including position data corresponding to the position detected by the position detecting means and orientation direction data corresponding to the orientation direction detected by the direction detecting means and through a network.

公开(公告)号：US20140347200A1

公开(公告)日：2014-11-27

申请号：US14286699

申请日：2014-05-23

申请人： SNU R&DB FOUNDATION ,  NEOFIDELITY, INC.

发明人： Junsoo CHO ,  Hyunjoong LEE ,  Suhwan KIM

IPC分类号： H03M3/00 ,  H03M1/00

CPC分类号： H03M3/462 ,  H03M1/002 ,  H03M1/203 ,  H03M3/458

摘要： The present invention provides a quantizer with a sigma-delta modulator, an analog-to-digital converter including the same and a quantization method using the same capable of obtaining a high signal-to-noise ratio with a relatively small number of comparators. The quantizer, the analog-to-digital converter and the quantization method of the present invention reduces quantization errors and increases noise shaping order.

摘要翻译： 本发明提供了一种具有Σ-Δ调制器的量化器，包括该Σ-Δ调制器的模数转换器和使用该Σ-Δ调制器的量化器，该量化方法能够以相对较少数量的比较器获得高信噪比。 本发明的量化器，模数转换器和量化方法降低了量化误差并增加了噪声整形次序。

公开(公告)号：US20200154199A1

公开(公告)日：2020-05-14

申请号：US16740852

申请日：2020-01-13

申请人： SNU R&DB FOUNDATION

发明人： Suhwan KIM ,  Seyun KIM ,  Minjae KIM

IPC分类号： H04R1/40 ,  H04R3/00 ,  H04R1/32 ,  H04R1/08

摘要： Disclosed is a sound data processing system including a plurality of sound collecting terminals and a server. Each of the plurality of sound collecting terminals includes: a sound collecting means that collects a sound and has an orientation direction, and a communication module that transmits sound data corresponding to the sound collected by the sound collecting means and supplementary data including position data of a position of a corresponding sound collecting terminal and orientation direction data corresponding to the orientation direction of the sound collecting means via a network. The server receives the sound data and the supplementary data transmitted by the plurality of sound collecting terminals through the network and determines a position of a source that emits the sound collected by the sound collecting means on the basis of the sound data and the supplementary data.

公开(公告)号：US20180032829A1

公开(公告)日：2018-02-01

申请号：US15535155

申请日：2015-12-03

申请人： SNU R&DB FOUNDATION

发明人： Suhwan KIM

IPC分类号： G06K9/20 ,  G06K9/00 ,  H04N7/025 ,  H04N5/247

CPC分类号： G06K9/209 ,  G06K9/00771 ,  G06K2009/00738 ,  G06K2209/27 ,  G06Q10/101 ,  G06Q50/26 ,  G06T7/50 ,  G06T7/70 ,  G06T2207/30168 ,  G06T2207/30232 ,  G06T2207/30244 ,  G08B13/19645 ,  G08B13/19665 ,  G08B25/08 ,  H04N5/23296 ,  H04N5/247 ,  H04N7/025 ,  H04N7/181 ,  H04N7/188

摘要： A system for collecting event data comprises: a plurality of cameras, each of which collects image data and stores the image data on a storage medium, generates data identification information including at least one information from among the group including time information on when the image data was collected, location information on where the image data was collected, and orientation information of a camera, and transmits periodically, or at a specific point of time, the data identification information via a wired or wireless network; and a service server which determines, among the plurality of cameras, at least one target camera storing image data related to a specific event by using the data identification information and event information including the time and location when and where the event has occurred, and receives image data related to the event from the target camera.

公开(公告)号：US20200213166A1

公开(公告)日：2020-07-02

申请号：US16715569

申请日：2019-12-16

申请人： SK hynix Inc. ,  Seoul National University R&DB Foundation

发明人： Suhwan KIM ,  Joo-Hyung CHAE

IPC分类号： H04L25/03 ,  H03K19/20 ,  H03K17/284 ,  H03K5/14

摘要： A data transmission circuit includes: a main driver circuit suitable for driving data to an output line; an amplitude equalization window generator circuit suitable for detecting the data transitioning from a first level to a second level; an auxiliary driver circuit suitable for driving the output line with the second level in response to a detection result of the amplitude equalization window generator circuit; and a phase equalization window generator circuit suitable for detecting whether the data consecutively has the first level, wherein the main driver circuit changes a time point of driving the data in response to a detection result of the phase equalization window generator circuit.

公开(公告)号：US20160087638A1

公开(公告)日：2016-03-24

申请号：US14810900

申请日：2015-07-28

申请人： SK hynix Inc. ,  SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION

发明人： Joo-Hyung CHAE ,  Suhwan KIM ,  Deok-Kyoon JEONG

IPC分类号： H03L7/08 ,  H03L7/085 ,  H03L7/07 ,  H03L7/081

CPC分类号： H03L7/07 ,  H03L7/0805 ,  H03L7/0814 ,  H03L7/0816 ,  H03L7/085 ,  H03L7/087

摘要： A multi-channel delay locked loop includes a global delay locked loop and a plurality of local delay locked loops. The global delay locked loop is configured to lock an input clock signal and output a global delay control signal corresponding to a delay amount of the input clock signal during a locking operation. Each of the plurality of local delay locked loops is configured to output a channel clock signal by locking the input clock signal, and initialize the delay amount of the input clock signal according to the global delay control signal.

摘要翻译： 多通道延迟锁定环路包括全局延迟锁定环路和多个本地延迟锁定环路。 全局延迟锁定环被配置为在锁定操作期间锁定输入时钟信号并输出​​对应于输入时钟信号的延迟量的全局延迟控制信号。 多个本地延迟锁定环中的每一个被配置为通过锁定输入时钟信号来输出通道时钟信号，并且根据全局延迟控制信号初始化输入时钟信号的延迟量。

公开(公告)号：US20210328579A1

公开(公告)日：2021-10-21

申请号：US17097943

申请日：2020-11-13

申请人： SK hynix Inc. ,  Seoul National University R&DB Foundation

发明人： Shin Hyun JEONG ,  Suhwan KIM ,  Gi Moon HONG ,  Ji Hyo KANG ,  Jae Hyeok YANG ,  Dae Han KWON ,  Dong Hyun KIM

IPC分类号： H03K3/012 ,  H03K3/037

摘要： A semiconductor device includes a circuit including an input coupled to a first node; and a first signal control circuit configured to determine a voltage of the first node in a low power mode, wherein the first signal control circuit sets a voltage of the first node to a first value in an n-th occurrence of the low power mode and a second value different from the first value in an m-th occurrence of the low power mode, and wherein n and m are two different natural numbers.

公开(公告)号：US20180041209A1

公开(公告)日：2018-02-08

申请号：US15620432

申请日：2017-06-12

申请人： SK hynix Inc. ,  Seoul National University R&DB FOUNDATION

发明人： Mino KIM ,  Suhwan KIM ,  Deog-Kyoon JEONG

IPC分类号： H03K19/003 ,  H03K3/037 ,  H03K19/20

CPC分类号： H03K19/003 ,  H03F2203/45051 ,  H03K3/037 ,  H03K5/1252 ,  H03K19/20

摘要： A receiver includes a first input buffering circuit configured to output a first signal by comparing an input signal and a first offset signal; a second input buffering circuit configured to output a second signal by comparing the input signal and a second offset signal; and a signal mixing circuit configured to output an output signal with a corrected duty ratio by combining the first signal and the second signal.

公开(公告)号：US20160149565A1

公开(公告)日：2016-05-26

申请号：US14839640

申请日：2015-08-28

申请人： SK hynix Inc. ,  SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION

发明人： Seok-Min YE ,  Suhwan KIM ,  Deog-Kyoon JEONG

IPC分类号： H03K5/1532 ,  H03K5/13

CPC分类号： H03K5/1532 ,  H03K5/133

摘要： A semiconductor device may include: a variable delay circuit configured to delay a data strobe signal according to a delay control signal and output a delayed data strobe signal; a data sampler configured to compare a level of a reference voltage and a value of a data signal in synchronization with the delayed data strobe signal, and determine a logic level of the value of the data signal, the data signal having a training pattern; and a control circuit configured to determine a delay amount of the data strobe signal and generate the delay control signal and the reference voltage according to an output signal of the data sampler.

摘要翻译： 半导体器件可以包括：可变延迟电路，被配置为根据延迟控制信号延迟数据选通信号并输出​​延迟的数据选通信号; 数据采样器，被配置为与所述延迟的数据选通信号同步地比较参考电压的电平和数据信号的值，并且确定所述数据信号的值的逻辑电平，所述数据信号具有训练模式; 以及控制电路，被配置为根据数据采样器的输出信号确定数据选通信号的延迟量并产生延迟控制信号和参考电压。