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公开(公告)号：US07956916B2
公开(公告)日：2011-06-07
申请号：US12195584
申请日：2008-08-21
IPC分类号： H04N5/335
CPC分类号： H04N5/37452 , H04N5/35581 , H04N5/3559
摘要： Provided is a solid-state imaging device having pixel units that are two-dimensionally arranged, and including: a photodiode that generates an optical signal charge corresponding to an intensity and an exposure time of light; a MOS transistor that transfers the optical signal charge; an accumulating unit that generates a voltage corresponding to the signal charge through the MOS transistor; a storing unit that stores a voltage corresponding to an optical signal charge in the accumulating unit; and a voltage setting unit that sets a value of a voltage in the accumulating unit to a value corresponding to the voltage in the storing unit.
摘要翻译： 提供一种具有二维排列的像素单元的固态成像装置，包括：产生对应于光的强度和曝光时间的光信号电荷的光电二极管; 传输光信号电荷的MOS晶体管; 累积单元，其产生对应于通过MOS晶体管的信号电荷的电压; 存储单元，其将与所述积累单元中的光信号电荷相对应的电压存储; 以及电压设定单元，其将所述累积单元中的电压值设定为与所述存储单元中的电压对应的值。
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公开(公告)号：US07683817B2
公开(公告)日：2010-03-23
申请号：US12104128
申请日：2008-04-16
IPC分类号： H03M1/34
CPC分类号： H03M1/144 , H03M1/1225 , H03M1/146 , H03M1/362 , H04N5/335
摘要： The present invention provides a solid-state imaging device which can output a digital signal at a high speed without using a high-speed clock. The solid-state imaging device includes light receiving elements provided in an array and generating signal voltages based on light intensity of received light and AD converters each of which is provided in each of columns in the array. Each of the AD converters includes: a reference voltage generating unit (10) generating reference voltages; comparators (11a through 11c) comparing in parallel a current signal voltage which is one of signal voltages generated by the light receiving elements in the respective matrix columns with the reference voltages generated by the reference voltage generating unit; a digital signal generating circuit (23) generating a digital signal showing a result of the comparison and outputting the digital signal out of the AD converter.
摘要翻译： 本发明提供了一种可以在不使用高速时钟的情况下高速输出数字信号的固态成像装置。 固态成像装置包括设置在阵列中的光接收元件，并且基于接收光的光强度产生信号电压，并且每个AD转换器设置在阵列中的每列中。 每个AD转换器包括：产生参考电压的参考电压产生单元（10） 比较器（11a至11c）将作为由各个矩阵列中的光接收元件产生的信号电压之一的电流信号电压与由参考电压产生单元产生的参考电压并联进行比较; 产生表示比较结果的数字信号的数字信号发生电路（23），并将数字信号从AD转换器输出。
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公开(公告)号：US07423271B2
公开(公告)日：2008-09-09
申请号：US11665603
申请日：2006-06-09
CPC分类号： H01L27/14649 , G01J5/34 , G01J2005/0048 , G01J2005/345 , G01V8/10 , H01L27/1443 , H04N5/33
摘要： An infrared sensor includes a plurality of reference pixel units 2 arranged in a matrix pattern and series capacitor elements 14 provided in a one-to-one correspondence with the reference pixel units 2. The reference pixel units 2 each include an output line 30, a reference capacitor element 13 connected via a switching element 17 between the output line and the ground, and a plurality of infrared-detecting capacitor elements 12 connected via associated switching elements 16 between the output line 30 and the ground. Each series capacitor element 14 is connected to the associated output line 30.
摘要翻译： 红外线传感器包括以矩阵图案排列的多个参考像素单元2和与参考像素单元2一一对应地设置的串联电容器元件14。 参考像素单元2各自包括输出线30，经由输出线和地之间的开关元件17连接的参考电容器元件13以及通过相关联的开关元件16连接在输出线和地之间的多个红外线检测电容器元件12 30号线和地面。 每个串联电容器元件14连接到相关联的输出线30。
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公开(公告)号：US20070296843A1
公开(公告)日：2007-12-27
申请号：US11808297
申请日：2007-06-08
申请人： Shigetaka Kasuga , Katsumi Takeda , Takumi Yamaguchi , Yoshiyuki Matsunaga , Takahiko Murata , Takayoshi Yamada
发明人： Shigetaka Kasuga , Katsumi Takeda , Takumi Yamaguchi , Yoshiyuki Matsunaga , Takahiko Murata , Takayoshi Yamada
IPC分类号： H04N5/335
CPC分类号： H04N5/335 , H01L27/14603 , H01L27/1462 , H01L27/14621 , H01L27/14623 , H01L27/14627
摘要： A solid-state imaging device includes a plurality of pixels arranged two-dimensionally. Each pixel includes a photoelectric converter (2) for converting incident light to a charge, and a gray filter (6a, 6b, 6c) having a visible light transmittance that is different depending on the photoelectric converter (2). According to this construction, the plurality of pixels have different sensitivities to incident light. By combining pixel signals obtained from three pixels having different sensitivities, a wider dynamic range can be achieved.
摘要翻译： 固态成像装置包括二维排列的多个像素。 每个像素包括用于将入射光转换成电荷的光电转换器（2）和具有根据光电转换器（2）不同的可见光透射率的灰色滤光器（6a，6b，6c）。 根据该结构，多个像素对入射光具有不同的灵敏度。 通过组合从具有不同灵敏度的三个像素获得的像素信号，可以实现更宽的动态范围。
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公开(公告)号：US20070109433A1
公开(公告)日：2007-05-17
申请号：US11558670
申请日：2006-11-10
IPC分类号： H04N5/335
CPC分类号： H04N5/335 , H04N5/232 , H04N5/374 , H04N5/37452
摘要： A solid-state imaging device for high-speed photography includes an imaging element area in which a plurality of pixel portions having photodetectors for photography are disposed in a matrix form. The solid-state imaging device generates image data by capturing pixel information obtained from the photodetectors for photography. The solid-state imaging device for high-speed photography further includes: a change detection element that detects a change in an amount of incident light, which is disposed in the imaging element area or at a predetermined position surrounding the imaging element area; and a controller that controls starting or stopping of capturing of pixel information obtained from the photodetectors for photography in accordance with a trigger signal based on a detection signal output from the change detection element. Since the photographing can be started in accordance with the generation of a phenomenon, the phenomenon can be recorded with reliability, and an excellent power-saving capability also can be provided.
摘要翻译： 用于高速摄影的固态成像装置包括其中具有用于摄影的光电检测器的多个像素部分以矩阵形式布置的成像元件区域。 固态成像装置通过捕获从用于摄影的光电检测器获得的像素信息来生成图像数据。 用于高速摄影的固态成像装置还包括：变化检测元件，其检测设置在成像元件区域或围绕成像元件区域的预定位置处的入射光量的变化; 以及控制器，其基于从变化检测元件输出的检测信号，根据触发信号，控制从用于摄影的光电检测器获得的像素信息的拍摄的开始或停止。 由于可以根据现象的产生开始拍摄，因此可以可靠地记录现象，并且还可以提供优异的节电能力。
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公开(公告)号：US07973840B2
公开(公告)日：2011-07-05
申请号：US11946987
申请日：2007-11-29
CPC分类号： H04N5/335
摘要： A solid-state imaging device includes: a plurality of pixels arranged in a matrix, the matrix defining columns of the pixels, and each of the pixels outputting an analog signal by performing photoelectric conversion; an analog-digital converter provided for each of columns which sequentially converts a plurality of analog signals outputted from the pixels in a column into a plurality of digital signals; a memory circuit provided for each column which includes memories and performs, in parallel, a process of storing a one of the digital signals in one of the memories and a process of outputting another of the digital signals previously stored in another of the memories; and data buses connected to the memory in each column.
摘要翻译： 固态成像装置包括：矩阵排列的多个像素，矩阵定义像素列，并且每个像素通过进行光电转换而输出模拟信号; 为每列提供的模数转换器，其将从列中的像素输出的多个模拟信号顺序地转换成多个数字信号; 为每列提供的包括存储器的存储电路，并行地执行将一个数字信号存储在其中一个存储器中的处理，以及输出先前存储在另一个存储器中的另一个数字信号的处理; 和数据总线连接到每列的存储器。
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公开(公告)号：US07808536B2
公开(公告)日：2010-10-05
申请号：US11558670
申请日：2006-11-10
CPC分类号： H04N5/335 , H04N5/232 , H04N5/374 , H04N5/37452
摘要： A solid-state imaging device for high-speed photography includes an imaging element area in which a plurality of pixel portions having photodetectors for photography are disposed in a matrix form. The solid-state imaging device generates image data by capturing pixel information obtained from the photodetectors for photography. The solid-state imaging device for high-speed photography further includes: a change detection element that detects a change in an amount of incident light, which is disposed in the imaging element area or at a predetermined position surrounding the imaging element area; and a controller that controls starting or stopping of capturing of pixel information obtained from the photodetectors for photography in accordance with a trigger signal based on a detection signal output from the change detection element. Since the photographing can be started in accordance with the generation of a phenomenon, the phenomenon can be recorded with reliability, and an excellent power-saving capability also can be provided.
摘要翻译： 用于高速摄影的固态成像装置包括其中具有用于摄影的光电检测器的多个像素部分以矩阵形式布置的成像元件区域。 固态成像装置通过捕获从用于摄影的光电检测器获得的像素信息来生成图像数据。 用于高速摄影的固态成像装置还包括：变化检测元件，其检测设置在成像元件区域或围绕成像元件区域的预定位置处的入射光量的变化; 以及控制器，其基于从变化检测元件输出的检测信号，根据触发信号，控制从用于摄影的光电检测器获得的像素信息的拍摄的开始或停止。 由于可以根据现象的产生开始拍摄，因此可以可靠地记录现象，并且还可以提供优异的节电能力。
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8.发明授权Solid-state imaging device, semiconductor integrated circuit, and signal processing method 有权固态成像装置，半导体集成电路和信号处理方法公开(公告)号：US07791524B2
公开(公告)日：2010-09-07
申请号：US12388105
申请日：2009-02-18
IPC分类号： H03M1/12
CPC分类号： H04N5/378 , H04N5/3742
摘要： A solid-state imaging device includes: pixel circuits arranged in a matrix which perform photoelectric conversion on received light; and an AD conversion unit converting the resultant signal voltage of the photoelectric conversion. The AD conversion unit includes: a reference voltage generation unit generating plural reference voltages which are different from each other within a possible range for a signal voltage; a most significant bit conversion unit that identifies a voltage section including the signal voltage from among the voltage sections each having a corresponding one of the reference voltages as a base point and determines the identified result as the value of the most significant bit of the digital signal; and a least significant bit conversion unit that converts, into the least significant bit of the digital signal, the difference voltage between the signal voltage and the reference voltage as the base point of the identified voltage section.
摘要翻译： 固态成像装置包括：以接收光进行光电转换的矩阵状的像素电路; 以及转换所得到的光电转换信号电压的AD转换单元。 AD转换单元包括：在信号电压的可能范围内产生彼此不同的多个参考电压的参考电压产生单元; 一个最高有效位转换单元，其识别包括每个具有对应的一个参考电压的电压部分中的信号电压的电压部分作为基点，并将所识别的结果确定为数字信号的最高有效位的值 ; 以及最低有效位转换单元，其将所述信号电压和所述参考电压之间的差电压转换为所述数字信号的最低有效位作为所识别的电压部分的基点。
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9.发明授权Solid-state imaging device having a plurality of signal charge holding unit with a write target switching unit and a read target switching unit 有权具有多个具有写目标切换单元和读目标切换单元的信号电荷保持单元的固态成像装置公开(公告)号：US07772536B2
公开(公告)日：2010-08-10
申请号：US11785625
申请日：2007-04-19
IPC分类号： H01J40/14
CPC分类号： H04N5/335 , H01L27/14601 , H04N5/374 , H04N5/37452
摘要： Provided is a solid-state imaging device that can perform a high-speed imaging, with appropriate number of pixels maintained. A plurality of pixels are arranged in a matrix in the solid-state imaging device. Each pixel includes a plurality of signal charge holding units that hold signal charges output from a photo diode. A write target switching unit selects the signal charge holding units so that signal charges output at different time points are written to the signal charge holding units, respectively. A read target switching unit switches between signal charge holding units from which to read a signal charge.
摘要翻译： 提供了一种固态成像装置，其可以执行适当数量的像素的高速成像。 在固态成像装置中以矩阵形式排列多个像素。 每个像素包括保持从光电二极管输出的信号电荷的多个信号电荷保持单元。 写目标切换单元选择信号电荷保持单元，使得在不同时间点输出的信号电荷分别被写入信号电荷保持单元。 读取目标切换单元在从其读取信号电荷的信号电荷保持单元之间切换。
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公开(公告)号：US07671777B2
公开(公告)日：2010-03-02
申请号：US11822589
申请日：2007-07-09
IPC分类号： H03M1/34
CPC分类号： H03M1/188 , H03M1/0607 , H03M1/0675 , H03M1/56 , H03M1/58
摘要： An AD converter includes an analog data storing unit, a first DA converter for converting an input digital data into a first analog reference voltage which varies within a first voltage range in a range of every possible signal voltage of the input analog data, a second DA converter for converting the input digital data into a second analog reference voltage which varies within a second voltage range in the range of every possible signal voltage of the input analog data, a first comparator for comparing the input analog data with the first reference voltage, a second comparator for comparing the input analog data with the second reference voltage and a digital data storing unit for storing a digital data corresponding to a point of time when a change of state occurs in the comparison results of each of the first and second comparators.
摘要翻译： AD转换器包括模拟数据存储单元，第一DA转换器，用于将输入数字数据转换成在输入模拟数据的每个可能的信号电压的范围内在第一电压范围内变化的第一模拟参考电压;第二DA 转换器，用于将输入数字数据转换成在输入模拟数据的每个可能的信号电压的范围内在第二电压范围内变化的第二模拟参考电压，用于将输入的模拟数据与第一参考电压进行比较的第一比较器， 第二比较器，用于将输入模拟数据与第二参考电压进行比较;以及数字数据存储单元，用于存储对应于在第一和第二比较器中的每一个的比较结果中发生状态改变的时间点的数字数据。
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