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    • 2. 发明授权
    • 상관 이중 샘플링 회로 및 이를 포함하는 이미지 센서
    • 相关的双重采样电路和包括其的图像传感器
    • KR101700371B1
    • 2017-01-26
    • KR1020100064090
    • 2010-07-02
    • 삼성전자주식회사
    • 정운기함석헌이동훈유귀성권민호
    • H04N5/335
    • H03M3/342H04N5/378
    • 이중상관샘플링회로가개시된다. 상기상관이중샘플링회로는입력신호를수신하고, 상기입력신호를디지털신호로델타-시그마변조하여모듈레이션신호를출력하는델타-시그마모듈레이터; 동작페이즈에따른선택신호에응답하여상기모듈레이션신호를출력하거나상기모듈레이션신호를반전시킨반전신호를출력하는선택회로: 및제1 동작페이즈에서는상기모듈레이션신호및 상기반전신호중 어느하나에대한누산동작을수행하고, 제2 동작페이즈에서는상기제1 동작페이즈에서의누산결과에상기모듈레이션신호및 상기반전신호중 나머지하나에대한누산동작을수행하는누산회로를포함할수 있다.
    • 相关双采样电路包括Δ-Σ调制器,选择电路和累积电路。 Δ-Σ调制器被配置为接收输入信号,Δ-Σ调制输入信号,并输出调制信号。 选择电路被配置为响应于对应于操作阶段的选择信号,反转调制信号并选择性地输出调制信号和反相调制信号中的一个。 累积电路被配置为通过在第一操作阶段中对调制信号和反相调制信号之一执行累加处理来产生第一累加结果,并且通过对第一累积结果执行累积处理来生成第二累加结果,以及 在第二操作阶段中的另一个调制信号和反相调制信号。
    • 5. 发明公开
    • 오프셋 제거 회로 및 이미지 센서
    • 偏移电路和图像传感器
    • KR1020130058977A
    • 2013-06-05
    • KR1020110125020
    • 2011-11-28
    • 삼성전자주식회사
    • 박유진권민호유귀성임승현김재홍정운기
    • H04N5/361
    • H04N5/361H03F3/04H03M1/12
    • PURPOSE: An offset removal circuit and an image sensor including the same are provided to remove a dark current offset which can be generated in a unit pixel by using a different reference signal according to the operation section of the unit pixel. CONSTITUTION: A feedback circuit(130) is connected to a second electrode of a decoupling capacitor(110) and an output terminal of a buffer(120) and respectively receives a first reference voltage and a second reference voltage in a reset section and a data section. In order to charge the decoupling capacitor with a first voltage which is a voltage difference of a reset voltage and the first reference voltage in the reset section, the feedback circuit provides the first reference voltage to the second electrode and provides the second reference voltage to the second electrode in the data section.
    • 目的:提供偏移消除电路和包括该偏移消除电路的图像传感器,以通过使用根据单位像素的操作部分的不同参考信号去除可以在单位像素中产生的暗电流偏移。 构成:反馈电路(130)连接到去耦电容器(110)的第二电极和缓冲器(120)的输出端子,并分别在复位部分和数据中接收第一参考电压和第二参考电压 部分。 为了对具有复位电压的电压差的第一电压和复位部分中的第一参考电压对去耦电容器充电,反馈电路将第一参考电压提供给第二电极,并将第二参考电压提供给 第二电极在数据部分。
    • 7. 发明公开
    • 아날로그-디지털 컨버터 및 이를 포함하는 이미지 센서
    • 模拟到数字转换器和包括它的图像传感器
    • KR1020120041849A
    • 2012-05-03
    • KR1020100103205
    • 2010-10-22
    • 삼성전자주식회사
    • 정운기임승현이동훈유귀성권민호황치호
    • H03M1/16H03M1/56H04N5/357H04N5/374H04N5/378
    • H04N5/378H03M1/162H03M1/56H04N5/3575H04N5/374
    • PURPOSE: An analog to digital converter and an image sensor including the same are provided to reduce the drive capacitance of a lamp signal generating unit by generating a comparison signal in a first comparison mode and a second comparison mode. CONSTITUTION: An analog to digital converter(1000) comprises a comparison signal generation unit(1100) and a control unit(1200). The analog to digital converter is operated in a first comparison mode and a second comparison mode. The analog to digital converter roughly compares input signals in the first comparison mode. The analog digital converter precisely compares the input signals in the second comparison mode. The comparison signal generator compares the input signal with a selection reference signal in the first comparison mode. The comparison signal generator compares a differential voltage with a lamp signal in the second comparison mode.
    • 目的:提供一种模拟数字转换器和包括该模数转换器的图像传感器,以通过在第一比较模式和第二比较模式中生成比较信号来降低灯信号生成单元的驱动电容。 构成:模拟数字转换器(1000)包括比较信号生成单元(1100)和控制单元(1200)。 模数转换器在第一比较模式和第二比较模式下操作。 模数转换器粗略地比较第一比较模式下的输入信号。 模拟数字转换器精确地比较第二比较模式下的输入信号。 比较信号发生器在第一比较模式下将输入信号与选择参考信号进行比较。 比较信号发生器将第二比较模式中的差分电压与灯信号进行比较。
    • 8. 发明公开
    • 아날로그-디지털 컨버터, 및 이를 포함하는 이미지 처리 장치
    • 模拟数字转换器和具有该数字转换器的图像处理设备
    • KR1020110021426A
    • 2011-03-04
    • KR1020090079218
    • 2009-08-26
    • 삼성전자주식회사
    • 정운기함석헌이동훈유귀성권민호
    • H03M1/12
    • H03M3/356H03M3/458
    • PURPOSE: An analog-to-digital converter and an image processing devices having the same are provided to efficiently reduce an off-set component which is generated from an amplifier by using a correlated double sampling circuit and a delta-sigma analog digital converter. CONSTITUTION: In an analog-to-digital converter and an image processing devices having the same, a correlated double sampling circuit(110) outputs a correlated double sampling rest signal and correlated double sampling image signal by performing correlated double sampling of the reset signal and the image signal form a pixel respectively. A delta-sigma analog digital converter(120) generates a first digital code by converting a correlated double sampled reset signal to a delta-sigma analog-digital. The delta-sigma analog digital converter(120) generates a second digital code by converting the correlated double sampled reset signal to a delta-sigma analog-digital. The delta-sigma analog digital converter outputs the difference between the first digital code and the second digital code.
    • 目的:提供一种模拟 - 数字转换器和具有该模拟数字转换器的图像处理装置,以通过使用相关的双采样电路和Δ-Σ模拟数字转换器来有效地减少从放大器产生的偏移分量。 构成:在模拟数字转换器和具有该数字转换器的图像处理装置中,相关双重采样电路(110)通过执行复位信号的相关双重采样来输出相关的双采样静止信号和相关的双采样图像信号,以及 图像信号分别形成像素。 Δ-Σ模拟数字转换器(120)通过将相关的双采样复位信号转换为Δ-Σ模拟数字来产生第一数字码。 Δ-Σ模拟数字转换器(120)通过将相关的双采样复位信号转换成Δ-Σ模拟数字来产生第二数字码。 Δ-Σ模拟数字转换器输出第一数字码和第二数字码之间的差值。