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公开(公告)号：KR101339732B1
公开(公告)日：2013-12-10
申请号：KR1020120023213
申请日：2012-03-07
Applicant: 한국과학기술원
IPC: H04N5/3745
Abstract: 상이한 타입의 트랜지스터로 픽셀을 구현한 이미지 센싱 장치가 제공된다. 본 발명의 실시예에 따른 이미지 센싱 장치는, 포토 다이오드의 출력 신호를 서로 다른 타입의 트랜지스터들을 통해 출력하는 픽셀, 픽셀의 출력 신호를 기준 신호와 비교하여 비교 결과를 출력하는 비교기 및 비교 결과에 기초한 출력 크기가 저장되는 메모리를 포함한다. 포토 다이오드의 출력 신호를 서로 다른 타입의 트랜지스터들을 통해 비교기로 출력하는 구조로 인해, 열 라인의 개수를 감소시켜 이미지 센싱 장치의 픽셀에 대한 레이 아웃 크기를 감소시킬 수 있음은 물론, 비교기에 마련된 트랜지스터의 개수를 역시 감소시켜, 이미지 센싱 장치의 비교기에 대한 레이 아웃 크기 역시 감소시킬 수 있게 된다.
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公开(公告)号：KR1020130105034A
公开(公告)日：2013-09-25
申请号：KR1020120027123
申请日：2012-03-16
Applicant: 한국과학기술원
CPC classification number: H03M1/1245 , H03M1/64 , H03M2201/2311 , H03M2201/32 , H04N5/369
Abstract: PURPOSE: An analog to digital converter (ADC) for outputting a digitized sample signal after comparing a sample signal and a ramp signal and an image sensing apparatus applying the same are provided to increase an analog to digital (A/D) conversion speed two times faster than when exclusively using an existing up-ramp, thereby providing a high-definition image without delay. CONSTITUTION: A pixel (110) outputs an analog pixel value. A sample and hold (S/H) amplifier (120) generates a sample signal by performing a sample-and-hold operation of the analog pixel value outputted from the pixel. An ADC (130) digitizes the sample signal generated in the S/H amplifier after comparing the sample signal and multiple ramp signals. [Reference numerals] (110) Pixel; (131) Comparator-1; (132) Comparator-2; (133) Memory; (135) Compensation converter; (141) Up-lamp signal generator; (142) Down-lamp signal generator; (150) Counter
Abstract translation: 目的：提供一种用于在比较采样信号和斜坡信号之后输出数字采样信号的模/数转换器（ADC）和应用其的图像感测装置，以将模数（A / D）转换速度提高两倍 比专门使用现有的上坡更快，从而无延迟地提供高清晰度图像。 构成：像素（110）输出模拟像素值。 采样和保持（S / H）放大器（120）通过执行从像素输出的模拟像素值的采样和保持操作来产生采样信号。 在比较采样信号和多个斜坡信号之后，ADC（130）数字化S / H放大器中产生的采样信号。 （110）像素; （131）比较器-1; （132）比较器-2; （133）记忆; （135）补偿转换器; （141）上灯信号发生器; （142）筒灯信号发生器; （150）柜台
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公开(公告)号：KR1020160074799A
公开(公告)日：2016-06-29
申请号：KR1020140183157
申请日：2014-12-18
Applicant: 한국과학기술원
IPC: G01T1/20
CPC classification number: G01T1/20 , G01T1/2002 , G01T1/2004
Abstract: 모바일방사선센서의검출특성개선을위한섬광체구조가제시된다. 모바일방사선센서의검출특성개선을위한섬광체구조에있어서, 입사되는방사선을흡수하여광으로변환하는섬광체; 및상기섬광체의후방에구비되어상기섬광체에서변환된광을검출하여전기신호로변환하는광 검출기를포함하고, 상기섬광체는상기광 검출기와의접합면적보다상기방사선을흡수하는면의면적이넓게형성될수 있다.
Abstract translation: 提供了一种用于改善移动辐射传感器的检测特性的闪烁体结构。 根据用于改善移动辐射传感器的检测特性的闪烁体结构，本发明包括：闪烁体，其吸收被转换为光的入射辐射; 以及光检测器，其设置在闪烁器的后侧，以检测从闪烁器转换成的光转换为电信号。 闪烁体可以形成为使得吸收辐射的表面的面积大于与光学检测器的结合面积。
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公开(公告)号：KR101381579B1
公开(公告)日：2014-04-04
申请号：KR1020120127896
申请日：2012-11-13
Applicant: 한국과학기술원
IPC: G01T1/02
Abstract: Disclosed is a personal electronic dosimeter using multiple single channel analyzers. The personal electronic dosimeter, according to embodiments of the present invention, uses more than two single channel analyzers in order to form an energy window based on the radiation energy level of the radiation source, or form a reference level value greater than two. Through the reference level value, a radiation signal can be recognized, so as for a user to measure radiation of various sources, and calculate a reliable dose. [Reference numerals] (AA) Radiation energy; (BB) Time
Abstract translation: 公开了一种使用多个单通道分析仪的个人电子剂量计。 根据本发明的实施例的个人电子剂量计使用两个以上的单通道分析器，以便基于辐射源的辐射能量水平形成能量窗口，或形成大于2的参考水平值。 通过参考电平值，可以识别辐射信号，以便用户测量各种光源的辐射，并计算可靠的剂量。 （附图标记）（AA）辐射能; （BB）时间
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Patent Agency Ranking
公开(公告)号：KR1020140022183A
公开(公告)日：2014-02-24
申请号：KR1020120088405
申请日：2012-08-13
Applicant: 한국과학기술원
IPC: G01T1/02
Abstract: The present invention relates to an electronic radiation personal dosimeter using an SiPM. The purpose is to provide an electronic radiation exposure personal dosimeter capable of reducing manufacturing costs by manufacturing it through a CMOS process by easily measuring radiation in a low dose environment. The invention includes a metal filter, an SiPM generating an electron-hole pair by radiation passing through the metal filter, moving an electron to a cathode side and moving a hole to an anode side using high voltage corresponding to reverse bias, and forming electron amplification, a pre-amplifier outputting a signal by a charge inputted from the amplification of the SiPM as an analog signal and amplifying it at the same time, an SCA outputting a digital pulse when an analog voltage signal inputted from the pre-amplifier has an amplitude between a low level discriminator and an upper level discriminator, a central processing part storing the number of digital pulses by receiving the pulses outputted from the SCA for a predetermined time and multiplying the number of the pulses by a personal dose value stored in the memory, and a read-only memory storing a personal dose value that radiation reaches per a digital pulse and delivering the value to the central processing part. [Reference numerals] (100) Display part; (20) Metal filter; (50) Pre-amplifier; (70) Central processing part; (80) Memory; (90) Read-only memory
Abstract translation: 本发明涉及一种使用SiPM的电子辐射个人剂量计。 其目的是提供一种能够通过在低剂量环境中容易地测量辐射的CMOS工艺制造它来降低制造成本的电子辐射照射个人剂量计。 本发明包括金属过滤器，通过辐射穿过金属过滤器产生电子 - 空穴对的SiPM，将电子移动到阴极侧，并使用对应于反向偏压的高电压将空穴移动到阳极侧，并且形成电子放大 前置放大器通过从SiPM的放大输入的电荷作为模拟信号输出信号并同时放大信号;当从前置放大器输入的模拟电压信号具有振幅时，SCA输出数字脉冲 在低电平鉴别器和高电平鉴别器之间，中央处理部分通过接收从SCA输出的脉冲达预定时间并存储存储在存储器中的个人剂量值来存储数字脉冲数， 以及只读存储器，其存储每个数字脉冲辐射达到的个人剂量值，并将该值传送给中央处理部件。 （附图标记）（100）显示部; （20）金属过滤器; （50）前置放大器; （70）中央处理部分; （80）记忆; （90）只读存储器
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公开(公告)号：KR1020130102189A
公开(公告)日：2013-09-17
申请号：KR1020120023213
申请日：2012-03-07
Applicant: 한국과학기술원
IPC: H04N5/3745
CPC classification number: H04N5/3745 , H01L27/14609 , H01L27/1461 , H01L27/14612 , H01L27/1463 , H01L27/14643
Abstract: PURPOSE: An image sensing device implementing a pixel with two different type transistors is provided to output an output signal of a photo diode to a comparator through two different type transistors, thereby reducing the number of column lines. CONSTITUTION: An image sensing device comprises a pixel (110) to output an output signal of a photo diode (PD) through first type transistors (MN1, MN2) and a second type transistor (MP); a comparator (121) to compare the output signal to a reference signal; and memories (123,124) to stores an output size based on a result of the comparison. The pixel is a heterogeneous 3-Tr pixel and constituted with the PD, two N-channel metal-oxide semiconductors (N-MOS), and one P-channel metal-oxide semiconductor (P-MOS). The 3-Tr pixel outputs the output signal of the PD through the two N-MOSs and the one P-MOS. [Reference numerals] (123) Memory 1; (124) Memory 2; (125) Counter
Abstract translation: 目的：提供实现具有两种不同类型晶体管的像素的图像感测装置，以通过两种不同类型的晶体管将光电二极管的输出信号输出到比较器，从而减少列线数量。 构成：图像感测装置包括通过第一类型晶体管（MN1，MN2）和第二类型晶体管（MP）输出光电二极管（PD）的输出信号的像素（110）。 比较器（121），用于将输出信号与参考信号进行比较; 和存储器（123,124），用于存储基于比较结果的输出大小。 像素是异质3-Tr像素，由PD，两个N沟道金属氧化物半导体（N-MOS）和一个P沟道金属氧化物半导体（P-MOS）构成。 3-Tr像素通过两个N-MOS和一个P-MOS输出PD的输出信号。 （附图标记）（123）存储器1; （124）存储器2; （125）计数器
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公开(公告)号：KR101356049B1
公开(公告)日：2014-01-29
申请号：KR1020120027123
申请日：2012-03-16
Applicant: 한국과학기술원
Abstract: 상보적 램프신호를 이용하여 Ａ／Ｄ 변환을 수행하는 ＡＤＣ 및 이를 적용한 이미지 센싱 장치가 제공된다. 본 발명의 실시예에 따른 이미지 센싱 장치는, 아날로그 픽셀값을 출력하는 픽셀, 픽셀에서 출력되는 아날로그 픽셀값을 샘플신호 앤드 홀드하여 샘플신호를 생성하는 S/H 및 S/H에서 생성된 샘플신호를 다수의 램프신호들과 비교하여 디지털화하는 ADC를 포함한다. 이에 의해, A/D 변환 속도를 증가시킬 수 있게 되어, 단위시간당 처리할 수 있는 픽셀값들의 개수 증가를 통해 고화질 영상을 지연 없이 제공하는 기틀을 마련할 수 있게 된다.
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公开(公告)号：KR101273884B1
公开(公告)日：2013-06-17
申请号：KR1020120023214
申请日：2012-03-07
Applicant: 한국과학기술원
CPC classification number: G11C27/02 , G11C7/16 , H03K17/687 , H03M1/12
Abstract: PURPOSE: An SHA (Sample and Hold Amplifier) for suppressing charge outflow at an internal device is provided to prevent the operation distortion of the SHA by suppressing the charge outflow at a switch which delivers an input signal to a charging device. CONSTITUTION: A switching unit (110) includes a plurality of switches (MN1-7, MP1-3), an inverter (I) and a capacitor (C1). The switching unit delivers an input signal to a charging unit. The charging unit charges the input signal delivered through the switching unit. A charge outflow suppressing unit (130) includes a micro-inductor (ML). The charge outflow suppressing unit suppresses the charge outflow at the switching unit.
Abstract translation: 目的：提供一种用于抑制内部装置的电荷流出的SHA（采样和保持放大器），以通过抑制将输入信号传送到充电装置的开关处的电荷流出来防止SHA的操作失真。 构成：开关单元（110）包括多个开关（MN1-7，MP1-3），反相器（I）和电容器（C1）。 开关单元将输入信号传送到充电单元。 充电单元对通过开关单元传送的输入信号进行充电。 电荷流出抑制单元（130）包括微电感器（ML）。 电荷流出抑制单元抑制开关单元处的电荷流出。
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