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公开(公告)号：US08564704B2
公开(公告)日：2013-10-22
申请号：US12518383
申请日：2007-12-11
摘要： A solid-state imaging device 1 includes photodiodes PD1 to PDN, charge-voltage converting circuits 101 to 10N, pre-holding circuits 201 to 20N, a transimpedance amplifier 30, a peak holding circuit 50, and a post-holding circuit 60. The charge-voltage converting circuit 10n inputs charges generated at the photodiode PDn and outputs a voltage value corresponding to the input charge quantity. The pre-holding circuit 20n holds the output voltage value from the charge-voltage converting circuit 10n and outputs the output voltage value as a current. The transimpedance amplifier 30 inputs voltage values successively output form the pre-holding circuits 201 to 20N as currents and outputs voltage values converted based on a transimpedance from the currents flowing in accordance with change quantities to the input voltage values from a reference voltage value. The peak holding circuit 50 holds and outputs a peak hold voltage of the output voltage values from the transimpedance amplifier 30.
摘要翻译： 固态成像装置1包括光电二极管PD1至PDN，电荷电压转换电路101至10N，预保持电路201至20N，跨阻放大器30，峰值保持电路50和后保持电路60。 充电电压转换电路10n输入在光电二极管PDn处产生的电荷，并输出与输入电荷量对应的电压值。 预保持电路20n保持来自充电电压转换电路10n的输出电压值，并将输出电压值作为电流输出。 跨阻放大器30输入从预保持电路201至20N连续输出的电压值作为电流，并将基于跨阻抗转换的电压值从根据变化量流动的电流输入到参考电压值的输入电压值。 峰值保持电路50保持并输出来自跨阻抗放大器30的输出电压值的峰值保持电压。
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公开(公告)号：US20060158542A1
公开(公告)日：2006-07-20
申请号：US11291999
申请日：2005-12-02
IPC分类号： H04N5/335
CPC分类号： H04N5/35527 , G01J1/46 , H01L27/14601 , H04N5/347 , H04N5/35545 , H04N5/35554 , H04N5/3559 , H04N5/357 , H04N5/3741 , H04N5/37452
摘要： A transmission transistor T2 transfers charges generated in a photodiode PD to a first capacitor part C11 via a first switch SW11, and transfers the charges to a second capacitor part C12 via a second switch SW12. An amplification transistor T1 outputs a voltage corresponding to the amount of accumulated charges in at least one of a first capacitor part C11 and a second capacitor part C12, connected to a gate terminal, and a gate terminal of the amplification transistor T1 is connected to at least one of the first capacitor part C11 and the second capacitor part C12.
摘要翻译： 传输晶体管T 2 2通过第一开关SW 11将在光电二极管PD中产生的电荷传送到第一电容器部分C 11，并且将 通过第二开关SW 12向第二电容器部分C 12充电。 放大晶体管T 1输出与第一电容器部分C11和第二电容器部分C12中的至少一个中的累积电荷量相对应的电压 ，连接到栅极端子，并且放大晶体管T 1的栅极端子连接到第一电容器部分C 11和 第二电容器部分C 12。
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公开(公告)号：US20100295979A1
公开(公告)日：2010-11-25
申请号：US12518383
申请日：2007-12-11
IPC分类号： H04N5/335
摘要： A solid-state imaging device 1 includes photodiodes PD1 to PDN, charge-voltage converting circuits 101 to 10N, pre-holding circuits 201 to 20N, a transimpedance amplifier 30, a peak holding circuit 50, and a post-holding circuit 60. The charge-voltage converting circuit 10n inputs charges generated at the photodiode PDn and outputs a voltage value corresponding to the input charge quantity. The pre-holding circuit 20n holds the output voltage value from the charge-voltage converting circuit 10n and outputs the output voltage value as a current. The transimpedance amplifier 30 inputs voltage values successively output form the pre-holding circuits 201 to 20N as currents and outputs voltage values converted based on a transimpedance from the currents flowing in accordance with change quantities to the input voltage values from a reference voltage value. The peak holding circuit 50 holds and outputs a peak hold voltage of the output voltage values from the transimpedance amplifier 30.
摘要翻译： 固态成像装置1包括光电二极管PD1至PDN，电荷电压转换电路101至10N，预保持电路201至20N，跨阻放大器30，峰值保持电路50和后保持电路60。 充电电压转换电路10n输入在光电二极管PDn处产生的电荷，并输出与输入电荷量对应的电压值。 预保持电路20n保持来自充电电压转换电路10n的输出电压值，并将输出电压值作为电流输出。 跨阻放大器30输入从预保持电路201至20N连续输出的电压值作为电流，并将基于跨阻抗转换的电压值从根据变化量流动的电流输入到参考电压值的输入电压值。 峰值保持电路50保持并输出来自跨阻抗放大器30的输出电压值的峰值保持电压。
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公开(公告)号：US20090152446A1
公开(公告)日：2009-06-18
申请号：US10593084
申请日：2005-03-17
IPC分类号： H01J40/14
CPC分类号： G01J1/46
摘要： A photodetector of a wide dynamic range of incident light amount detection and low temperature dependence is provided. A first signal processing unit 10m,n includes an integrating circuit 11, a first holding circuit 12, a comparing circuit 13, a second holding circuit 14, and a latching circuit 15. The integrating circuit 11 has a variable capacitor unit that is selectively set to a capacitance value among a plurality of capacitance values, accumulates charges, output from the photodiode, into the variable capacitor unit over an accumulating period that is in accordance with the capacitance value set at the variable capacitor unit, and outputs a voltage V1 that is in accordance with the amount of the accumulated charges. The comparing circuit 13 inputs the voltage V1 output from the integrating circuit 11, performs a quantitative comparison of the voltage V1 with a reference voltage Vref, outputs a compared signal S3 expressing the result of comparison, and, when the voltage V1 output from the integrating. circuit 11 at the end of an accumulating period is less than the reference voltage Vref, instructs the first holding circuit 12 to hold the voltage.
摘要翻译： 提供入射光量检测的宽动态范围和低温度依赖性的光电检测器。 第一信号处理单元10m，n包括积分电路11，第一保持电路12，比较电路13，第二保持电路14和锁存电路15.积分电路11具有可选择地设置的可变电容器单元 在多个电容值之间的电容值中，在与可变电容器单元设定的电容值相对应的累积期间，将从光电二极管输出的电荷累积到可变电容器单元中，并输出电容V1 按照累计收费金额。 比较电路13输入从积分电路11输出的电压V1，对参考电压Vref进行电压V1的定量比较，输出表示比较结果的比较信号S3，当从积分电路输出的电压V1 。 蓄电周期结束时的电路11小于参考电压Vref，指示第一保持电路12保持电压。
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5.发明授权公开(公告)号：US07989753B2
公开(公告)日：2011-08-02
申请号：US10593084
申请日：2005-03-17
IPC分类号： H01J40/14
CPC分类号： G01J1/46
摘要： A photodetector of a wide dynamic range of incident light amount detection and low temperature dependence is provided. A first signal processing unit 10m,n includes an integrating circuit 11, a first holding circuit 12, a comparing circuit 13, a second holding circuit 14, and a latching circuit 15. The integrating circuit 11 has a variable capacitor unit that is selectively set to a capacitance value among a plurality of capacitance values, accumulates charges, output from the photodiode, into the variable capacitor unit over an accumulating period that is in accordance with the capacitance value set at the variable capacitor unit, and outputs a voltage V1 that is in accordance with the amount of the accumulated charges. The comparing circuit 13 inputs the voltage V1 output from the integrating circuit 11, performs a quantitative comparison of the voltage V1 with a reference voltage Vref, outputs a compared signal S3 expressing the result of comparison, and, when the voltage V1 output from the integrating circuit 11 at the end of an accumulating period is less than the reference voltage Vref, instructs the first holding circuit 12 to hold the voltage.
摘要翻译： 提供入射光量检测的宽动态范围和低温度依赖性的光电检测器。 第一信号处理单元10m，n包括积分电路11，第一保持电路12，比较电路13，第二保持电路14和锁存电路15.积分电路11具有可选择地设置的可变电容器单元 在多个电容值之间的电容值中，在与可变电容器单元设定的电容值相对应的累积期间，将从光电二极管输出的电荷累积到可变电容器单元中，并输出电容V1 按照累计收费金额。 比较电路13输入从积分电路11输出的电压V1，对参考电压Vref进行电压V1的定量比较，输出表示比较结果的比较信号S3，当从积分电路输出的电压V1 蓄电周期结束时的电路11小于参考电压Vref，指示第一保持电路12保持电压。
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6.发明授权公开(公告)号：US08537258B2
公开(公告)日：2013-09-17
申请号：US12528692
申请日：2007-02-28
CPC分类号： H04N5/37452
摘要： A solid-state imaging device 1 includes N pixel sections 101 to 10N, transimpedance circuits 20a and 20b, integrating circuits 30a and 30b, and a difference arithmetic circuit 40. Each pixel section 10n includes a photoelectric converting circuit including a photodiode, and a first holding circuit and a second holding circuit which hold an output voltage of the photoelectric converting circuit. A voltage held by the first holding circuit of each pixel section 10n is input into the difference arithmetic circuit 40 through a common wire 50a, the transimpedance circuit 20a, and the integrating circuit 30a. A voltage held by the second holding circuit of each pixel section 10n is input into the difference arithmetic circuit 40 through a common wire 50b, the transimpedance circuit 20b, and the integrating circuit 30b. A voltage corresponding to a difference between the voltages output from the integrating circuits 30a and 30b, respectively, is output from the difference arithmetic circuit 40.
摘要翻译： 固态成像装置1包括N个像素部分101至10N，跨阻电路20a和20b，积分电路30a和30b以及差分运算电路40.每个像素部分10n包括光电转换电路，其包括光电二极管和第一 保持电路和保持光电转换电路的输出电压的第二保持电路。 每个像素部分10n的第一保持电路保持的电压通过公共线50a，跨阻抗电路20a和积分电路30a输入差分运算电路40。 每个像素部分10n的第二保持电路保持的电压通过公共线50b，跨阻抗电路20b和积分电路30b输入到差分运算电路40中。 从差分运算电路40输出对应于从积分电路30a和30b输出的电压之间的差分的电压。
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公开(公告)号：US20100308795A1
公开(公告)日：2010-12-09
申请号：US12857312
申请日：2010-08-16
IPC分类号： G01R19/145
CPC分类号： H04N5/357 , H04N5/3742 , H04N5/378
摘要： The present invention relates to a sensor apparatus having a structure capable of obtaining digital values of signal components with a high accuracy using an A/D conversing circuit with the outputted digital value thereof having a small number of expressive bits. In the sensor apparatus, a voltage value corresponding to the amount of incident light to a photodiode is held by a holding circuit through an integrating circuit and a CDS circuit. Meanwhile, a voltage value corresponding to the amount of incident light to an adjacent photodiode is held by another holding circuit through an integrating circuit and a CDS circuit. The voltage values held by the respective different holding circuits are inputted to a subtracting circuit through different paths. The subtracting circuit outputs a voltage value corresponding to the difference between the two inputted voltage values. In an A/D converting section, the difference voltage outputted from the subtracting circuit is converted into a digital value.
摘要翻译： 传感器装置技术领域本发明涉及一种传感器装置，其具有能够使用具有少量表示位的输出数字值的A / D转换电路以高精度获得信号分量的数字值的结构。 在传感器装置中，通过积分电路和CDS电路由保持电路保持与光电二极管的入射光量相对应的电压值。 同时，与通过积分电路和CDS电路的另一个保持电路保持与相邻光电二极管的入射光量相对应的电压值。 由各个不同的保持电路保持的电压值通过不同的路径输入到减法电路。 减法电路输出与两个输入电压值之间的差对应的电压值。 在A / D转换部分中，将从减法电路输出的差分电压转换为数字值。
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公开(公告)号：US20080030606A1
公开(公告)日：2008-02-07
申请号：US11596069
申请日：2005-05-02
IPC分类号： H04N5/335
CPC分类号： H04N5/357 , H04N5/3742 , H04N5/378
摘要： The present invention relates to a sensor apparatus having a structure capable of obtaining digital values of signal components with a high accuracy using an A/D conversing circuit with the outputted digital value thereof having a small number of expressive bits. In the sensor apparatus, a voltage value corresponding to the amount of incident light to a photodiode is held by a holding circuit through an integrating circuit and a CDS circuit. Meanwhile, a voltage value corresponding to the amount of incident light to an adjacent photodiode is held by another holding circuit through an integrating circuit and a CDS circuit. The voltage values held by the respective different holding circuits are inputted to a subtracting circuit through different paths. The subtracting circuit outputs a voltage value corresponding to the difference between the two inputted voltage values. In an A/D converting section, the difference voltage outputted from the subtracting circuit is converted into a digital value.
摘要翻译： 传感器装置技术领域本发明涉及一种传感器装置，其具有能够使用具有少量表示位的输出数字值的A / D转换电路以高精度获得信号分量的数字值的结构。 在传感器装置中，通过积分电路和CDS电路由保持电路保持与光电二极管的入射光量相对应的电压值。 同时，与通过积分电路和CDS电路的另一个保持电路保持与相邻光电二极管的入射光量相对应的电压值。 由各个不同的保持电路保持的电压值通过不同的路径输入到减法电路。 减法电路输出与两个输入电压值之间的差对应的电压值。 在A / D转换部分中，将从减法电路输出的差分电压转换为数字值。
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公开(公告)号：US06956607B2
公开(公告)日：2005-10-18
申请号：US10060167
申请日：2002-02-01
CPC分类号： H04N5/2176 , H03M1/123 , H03M1/186
摘要： A signal current corresponding to an incident light intensity is output from a photodiode PD, the signal current is converted into a signal voltage by an integration circuit 10, and the amount of a change in signal voltage in a predetermined time is output from a CDS circuit 20. The difference between two voltage values output from the CDS circuit 20 is obtained by a difference arithmetic circuit 30 and held by a S-H circuit 40. In addition, the maximum value of voltage values obtained by the difference arithmetic circuits 30 of respective units 100n is obtained by comparison circuits 50 of the respective units 100n, a reference signal voltage generation circuit 500, a final coincidence determination circuit 200, and a reference voltage hold circuit 300, and on the basis of the maximum value, the A/D conversion range of an A/D conversion circuit 400 is set.
摘要翻译： 从光电二极管PD输出对应于入射光强度的信号电流，通过积分电路10将信号电流转换为信号电压，并且将预定时间内的信号电压的变化量从CDS电路输出 20。 从CDS电路20输出的两个电压值之间的差异由差分运算电路30获得并由S-H电路40保持。 此外，由各单元100 N n的差分运算电路30获得的电压值的最大值通过各单元100 N的比较电路50获得，参考 信号电压生成电路500，最终一致判定电路200以及基准电压保持电路300，并且基于最大值设定A / D转换电路400的A / D转换范围。
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公开(公告)号：US08379128B2
公开(公告)日：2013-02-19
申请号：US13037038
申请日：2011-02-28
CPC分类号： H04N5/357 , H04N5/3742 , H04N5/378
摘要： The present invention relates to a sensor apparatus having a structure capable of obtaining digital values of signal components with a high accuracy using an A/D conversing circuit with the outputted digital value thereof having a small number of expressive bits. In the sensor apparatus, a voltage value corresponding to the amount of incident light to a photodiode is held by a holding circuit through an integrating circuit and a CDS circuit. Meanwhile, a voltage value corresponding to the amount of incident light to an adjacent photodiode is held by another holding circuit through an integrating circuit and a CDS circuit. The voltage values held by the respective different holding circuits are inputted to a subtracting circuit through different paths. The subtracting circuit outputs a voltage value corresponding to the difference between the two inputted voltage values. In an A/D converting section, the difference voltage outputted from the subtracting circuit is converted into a digital value.
摘要翻译： 传感器装置技术领域本发明涉及一种传感器装置，其具有能够使用具有少量表示位的输出数字值的A / D转换电路以高精度获得信号分量的数字值的结构。 在传感器装置中，通过积分电路和CDS电路由保持电路保持与光电二极管的入射光量相对应的电压值。 同时，与通过积分电路和CDS电路的另一个保持电路保持与相邻光电二极管的入射光量相对应的电压值。 由各个不同的保持电路保持的电压值通过不同的路径输入到减法电路。 减法电路输出与两个输入电压值之间的差对应的电压值。 在A / D转换部分中，将从减法电路输出的差分电压转换为数字值。
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