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公开(公告)号：KR1020150092626A
公开(公告)日：2015-08-13
申请号：KR1020140013224
申请日：2014-02-05
Applicant: 삼성전자주식회사
CPC classification number: H03K5/003 , G09G3/3688 , G09G2310/027 , G09G2310/0275 , G09G2310/0291 , H03F3/3022 , H03F3/45112 , H03F3/45771 , H03F2203/45212 , H03K17/687
Abstract: 증폭기 옵셋 보상 기능을 갖는 출력 버퍼 회로 및 이를 포함하는 소스 구동 회로가 개시된다. 출력 버퍼 회로는 복수의 채널 증폭기를 포함하고, 상기 채널 증폭기들 각각의 차동 입력부의 비반전 입력 단자와 반전 입력 단자 중 하나의 입력단자에 연결된 전류 경로를 통해 흐르는 전류의 크기를 조절하여 증폭기 오프셋(offset)을 보상하고, 입력 전압신호들을 버퍼링하여 소스 신호들을 발생한다. 따라서, 출력 버퍼 회로를 포함하는 소스 구동 회로는 출력 전압의 편차가 작고, 고해상도의 디스플레이 장치에 적용할 수 있다.
Abstract translation: 公开了具有放大器偏移补偿功能的输出缓冲电路和包括其的源极驱动电路。 输出缓冲电路包括多个信道放大器。 通过缓冲输入电压信号产生源极信号，并通过控制流过连接到反相输入端的一个输入端的电流路径的电流的振幅和每个差分输入单元的反相输入端的非反相输入端来补偿放大器偏移 通道放大器。 因此，包括输出缓冲电路的源极驱动电路减小了输出电压的偏差，并以高分辨率施加于显示装置。
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公开(公告)号：KR1020150049585A
公开(公告)日：2015-05-08
申请号：KR1020130130334
申请日：2013-10-30
CPC classification number: G06T7/0012 , A61B1/00009 , G06K9/346 , G06T2207/10068 , G06T2207/30032
Abstract: 본발명은용종검출장치및 그동작방법에관한것이다. 본발명의일 실시예에따른용종검출장치의동작방법은대상체를촬영하여, 영상을생성하는단계, 상기생성된영상을기초로하여, 용종후보영역을검출하는단계, 상기검출된용종후보영역중 반사광영역을검출하는단계및 상기용종후보영역에서상기검출된반사광영역을제외한최종용종영역을표시하는단계를포함하는것을특징으로한다.
Abstract translation: 息肉检测装置及其操作方法技术领域本发明涉及息肉检测装置及其操作方法。 根据本发明实施例的息肉检测装置的操作方法包括：通过拍摄对象来产生图像的步骤; 基于所产生的图像检测潜在息肉区域的步骤; 检测检测出的电位息肉区域的反射光面积的步骤; 以及除了检测到的电位息肉区域的反射光区域之外，显示最终息肉区域的步骤。 根据本发明，由于在检测到潜在的息肉区域之后检测到反射区域并且可以排除通过反射光确定为息肉区域的区域，因此可以提高息肉检测的准确性。
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公开(公告)号：KR1020140008017A
公开(公告)日：2014-01-21
申请号：KR1020120074895
申请日：2012-07-10
Applicant: 삼성전자주식회사
Abstract: A display driver includes a gray scale voltage generator generating first gray scale voltages having linear gray scale properties in all gray scale regions, a gray scale voltage decoder block outputting selected second gray scale voltages by selecting the second gray scale voltages corresponding to a first color among the first gray scale voltages based on a first selection code for the first color, and a decoder block outputting one of the selected second gray scale voltages based on data corresponding to the first color.
Abstract translation: 显示驱动器包括产生在所有灰度区域具有线性灰度级属性的第一灰度级电压的灰度级电压发生器，灰度级电压解码器块通过选择对应于第一灰度电压的第二灰度电压来输出所选择的第二灰度级电压 基于第一颜色的第一选择码的第一灰度级电压和基于对应于第一颜色的数据输出所选择的第二灰度级电压之一的解码器块。
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公开(公告)号：KR1020130051806A
公开(公告)日：2013-05-21
申请号：KR1020110117160
申请日：2011-11-10
Applicant: 삼성전자주식회사
IPC: G09G3/36
CPC classification number: G09G3/3688 , G09G2330/04
Abstract: PURPOSE: A display driving device and a display system capable of improving an ESD protection function are provided to enhance a charge sharing function by sharing charges between channel shifting paths in a charge sharing section. CONSTITUTION: A driving unit(10) includes a first buffer generating a first driving voltage and a second buffer generating a second driving voltage. An output unit(20) includes a first output pad and a second output pad to output voltages to the outside. A first data driving path(DP1) and a second data driving path(DP2) apply the first driving voltage and the second driving voltage to the first output pad and the second output pad, respectively. An output control unit(30) includes a charge sharing path to connect the first output pad to the second output pad.
Abstract translation: 目的：提供能够改善ESD保护功能的显示驱动装置和显示系统，以通过在电荷共享部分中的信道移动路径之间共享电荷来增强电荷共享功能。 构成：驱动单元（10）包括产生第一驱动电压的第一缓冲器和产生第二驱动电压的第二缓冲器。 输出单元（20）包括第一输出垫和第二输出垫以向外部输出电压。 第一数据驱动路径（DP1）和第二数据驱动路径（DP2）分别将第一驱动电压和第二驱动电压施加到第一输出焊盘和第二输出焊盘。 输出控制单元（30）包括用于将第一输出焊盘连接到第二输出焊盘的电荷共享路径。
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公开(公告)号：KR1020080079088A
公开(公告)日：2008-08-29
申请号：KR1020070019154
申请日：2007-02-26
Applicant: 삼성전자주식회사
Inventor： 정지운
CPC classification number: G06F1/3215 , G11B19/02
Abstract: A method and an apparatus for controlling a portable audio device are provided to transfer a host wakeup signal to a logic circuit part via a wireless communication part and supply power to blocks necessary for playing music for allowing the user to listen to music easily with a wireless headset only. A portable audio device(100) comprises an audio code part(200), a wireless communication part(210), a logic circuit part(220), a power supply control part(230), and a power supply part(240). The audio code part includes compression and recovery algorithm for compressing and recovering the digital audio files. The wireless communication part receives music stream through the audio code part and a host interface(250). The logic circuit part includes a complex programmable logic device and a microcomputer. The power supply control part switches master power to slave power based on the high signal of the logic circuit part. The wireless communication part transfers a host wakeup signal to the logic circuit part.
Abstract translation: 提供一种用于控制便携式音频设备的方法和装置，用于经由无线通信部件将主机唤醒信号传送到逻辑电路部分，并向播放音乐所需的块提供电力，以允许用户使用无线方式轻松聆听音乐 只有耳机。 一种便携式音频设备（100）包括音频代码部分（200），无线通信部分（210），逻辑电路部分（220），电源控制部分（230）和电源部分（240）。 音频代码部分包括用于压缩和恢复数字音频文件的压缩和恢复算法。 无线通信部分通过音频代码部分和主机接口（250）接收音乐流。 逻辑电路部分包括复杂的可编程逻辑器件和微计算机。 电源控制部分根据逻辑电路部分的高电平信号将主电源切换到从电源。 无线通信部件将主机唤醒信号传送到逻辑电路部分。
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Patent Agency Ranking
公开(公告)号：KR1020080075960A
公开(公告)日：2008-08-20
申请号：KR1020070015212
申请日：2007-02-14
Applicant: 삼성전자주식회사
IPC: H03M1/66
CPC classification number: H03M1/0607 , G09G3/3688 , G09G3/3696 , G09G2310/027 , H03M1/662 , H03M1/682
Abstract: A digital-to-analog converter and a digital-to-analog conversion method are provided to obtain accurate a digital-to-analog conversion signal regardless of an offset voltage of an operational amplifier by canceling the offset voltage. A digital-to-analog converter includes a switched capacitor amplifier(250). The switched capacitor amplifier includes a first capacitor(C1), an operational amplifier(251), and a switching circuit(252). The operational amplifier includes a first input terminal connected with the first capacitor, a second input terminal, and an output terminal. The switching circuit includes a plurality of switches. The switches are switched in response to corresponding switching signals respectively. The switching circuit transmits a first voltage and a second voltage to a first terminal of the first capacitor and connects the first input terminal with the output terminal of the operational amplifier during a first phase. The switching circuit transmits a third voltage to the second input terminal of the operational amplifier and connects the first terminal of the first capacitor with the output terminal of the operational amplifier during a second phase.
Abstract translation: 提供数模转换器和数模转换方法以通过抵消偏移电压来获得精确的数模转换信号，而不管运算放大器的失调电压如何。 数模转换器包括开关电容放大器（250）。 开关电容放大器包括第一电容器（C1），运算放大器（251）和开关电路（252）。 运算放大器包括与第一电容器连接的第一输入端子，第二输入端子和输出端子。 开关电路包括多个开关。 开关分别响应相应的开关信号而切换。 开关电路将第一电压和第二电压发送到第一电容器的第一端子，并且在第一阶段期间将第一输入端子与运算放大器的输出端子连接。 开关电路将第三电压发送到运算放大器的第二输入端，并且在第二阶段期间将第一电容器的第一端与运算放大器的输出端连接。
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公开(公告)号：KR1020080012070A
公开(公告)日：2008-02-11
申请号：KR1020060073067
申请日：2006-08-02
Applicant: 삼성전자주식회사
IPC: H03M1/66
CPC classification number: H03M1/682 , G09G3/3688 , G09G3/3696 , G09G2310/027 , H03M1/765
Abstract: A DAC(Digital to Analog Converter) and a source driver having the same are provided to decrease an output error from the DAC by preventing a parasitic capacitance from affecting the DAC. A control logic(30) receives upper bit data and control bit data. A first resistor(11) divides first and second reference voltages and outputs first divided voltages. A first decoder(21) selects one of the first divided voltages corresponding to the upper bit data. A second resistor(12) divides third and fourth reference voltages and outputs plural second divided voltages. A second decoder(22) selects one of the second divided voltages in response to lower bit data. A selector circuit selects one of the second and third reference voltages according to control bit data. A sample and hold circuit outputs an analog voltage in response to output voltages from the first and second decoders and the selector circuit. The control logic controls the first decoder according to the control bit data, so that the output voltage from the first decoder is increased by a predetermined value.
Abstract translation: 提供DAC（数模转换器）和具有该DAC的源极驱动器，以通过防止寄生电容影响DAC来减小DAC的输出误差。 控制逻辑（30）接收高位数据和控制位数据。 第一电阻器（11）分割第一和第二参考电压并输出第一分压。 第一解码器（21）选择与高位数据对应的第一分压电压之一。 第二电阻器（12）分割第三和第四参考电压并输出多个第二分压。 第二解码器（22）响应于低位数据选择第二分压电压中的一个。 选择器电路根据控制位数据选择第二和第三参考电压中的一个。 采样和保持电路响应于来自第一和第二解码器和选择器电路的输出电压输出模拟电压。 控制逻辑根据控制位数据控制第一解码器，使得来自第一解码器的输出电压增加预定值。
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公开(公告)号：KR100532412B1
公开(公告)日：2005-12-02
申请号：KR1020020049552
申请日：2002-08-21
Applicant: 삼성전자주식회사
IPC: G09G3/36
CPC classification number: G09G3/3688 , G09G2320/0673
Abstract: 본 발명은 감마신호 제공 장치에 관한 것으로, 설정된 감마값을 디지털 값으로 저장하고, 디지털 감마값을 직렬로 전송하는 타이밍 컨트롤러; 직렬 디지털 감마값을 전송받아서 제1아날로그 감마값으로 변환하여 출력하는 감마 DAC; 및 제2아날로그 감마값을 생성하고, 제2아날로그 감마값을 제1아날로그 감마값과 비교하여 두 값이 실질적으로 동일하면 제2아날로그 감마값을 기준으로하여 그레이 레벨을 출력하는 복수의 칼럼 구동부를 포함함을 특징으로한다.
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公开(公告)号：KR1020170065401A
公开(公告)日：2017-06-13
申请号：KR1020150171803
申请日：2015-12-03
Applicant: 삼성전자주식회사
Abstract: 본발명에따른초음파영상장치에있어서, 대상체의진단을위한초음파를출력하는트랜스듀서와; 트랜스듀서로초음파의출력을위한펄스신호를송신하는펄스송신부와; 트랜스듀서로부터송신된펄스신호에대응하여피드백신호를수신하는펄스수신부와; 펄스송신부로전원을공급하는펄스전원부와; 펄스신호를송신하는송신구간및 상기피드백신호를수신하는수신구간이주기적으로반복되는신호송수신구간중 수신구간의적어도일부구간에대해, 펄스송신부로의전원공급여부를제어하도록펄스전원부를제어하는제어부를포함한다. 이에따라, 피드백신호를수신하는적어도일부구간동안펄서로의전원공급을제어함에의해고전압변환회로에서발생되는스위칭노이즈를감소시켜초음파영상의품질을개선할수 있다.
Abstract translation: 在根据本发明的超声成像设备中，用于输出用于诊断目标物体的超声波的换能器; 一种脉冲发送器，用于向换能器发送用于输出超声波的脉冲信号; 脉冲接收单元，用于接收与从换能器发送的脉冲信号相对应的反馈信号; 脉冲电源单元，用于向脉冲发送单元供电; 用于传输的时间间隔，并将该信号发送的接收中的至少某些部分和接收部分，其接收部分周期性地重复，用于接收反馈信号间隔以用于发射脉冲信号，用于控制所述脉冲电源，以便控制电源是否将脉冲发送器的控制单元 它包括。 Yiettara，至少用于接收反馈信号由脉冲间隔期间控制电源彼此可以是部分，以减少从所述高电压转换器电路所产生的开关噪声改善了超声波图像的质量。
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公开(公告)号：KR1020140105932A
公开(公告)日：2014-09-03
申请号：KR1020130019749
申请日：2013-02-25
Applicant: 삼성전자주식회사
IPC: H03K19/0185 , G09G3/36
CPC classification number: H03L5/00 , G09G3/3648 , G09G3/3677 , G09G3/3688 , G09G3/3696 , G09G2310/0289 , H03K3/35613 , H03K19/018528
Abstract: A voltage level conversion circuit comprises a voltage switch circuit and a level shift circuit. The voltage switch circuit provides an intermediate voltage and a conversion voltage in order corresponding to a switch signal. The level shift circuit uses the intermediate voltage to latch the voltage level corresponding to an input signal then uses the conversion voltage to convert the latched voltage level to generate an output signal.
Abstract translation: 电压电平转换电路包括电压开关电路和电平移位电路。 电压开关电路按照与开关信号对应的顺序提供中间电压和转换电压。 电平移位电路使用中间电压来锁存与输入信号相对应的电压电平，然后使用转换电压来转换锁存的电压电平以产生输出信号。
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