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1. 发明授权

US08149326B2 Real-time exposure control for automatic light control 有权
标题翻译：实时曝光控制，实现自动光控
公开(公告)号：US08149326B2
公开(公告)日：2012-04-03
申请号：US12560135
申请日：2009-09-15
申请人： Alf Olsen , Espen A. Olsen , Jorgen Moholt , Steinar Iversen , Dov Avni , Arkady Glukhovsky
发明人： Alf Olsen , Espen A. Olsen , Jorgen Moholt , Steinar Iversen , Dov Avni , Arkady Glukhovsky
IPC分类号： H04N3/14 , H04N5/335 , H04N5/235 , G03B7/00
CPC分类号： H04N5/2352 , H04N5/2353 , H04N5/2354 , H04N5/243
摘要： An imager and a method for real-time, non-destructive monitoring of light incident on imager pixels during their exposure to light. Real-time or present pixel signals, which are indicative of present illumination on the pixels, are compared to a reference signal during the exposure. Adjustments, if necessary, are made to programmable parameters such as gain and/or exposure time to automatically control the imager's exposure to the light. In a preferred exemplary embodiment, only a selected number of pixels are monitored for exposure control as opposed to monitoring the entire pixel array.
摘要翻译：一种成像器和一种在曝光时对成像器像素入射的光进行实时，无损检测的方法。在曝光期间将表示像素上的当前照明的实时或呈现像素信号与参考信号进行比较。如有必要，可以对可编程参数（如增益和/或曝光时间）进行调整，以自动控制成像仪对光的曝光。在优选示例性实施例中，与监视整个像素阵列相比，仅监视选定数量的像素以进行曝光控制。

2. 发明申请

US20100073512A1 REAL-TIME EXPOSURE CONTROL FOR AUTOMATIC LIGHT CONTROL 有权
标题翻译：实时曝光控制自动光控制
公开(公告)号：US20100073512A1
公开(公告)日：2010-03-25
申请号：US12560135
申请日：2009-09-15
申请人： Alf Olsen , Espen A. Olsen , Jorgen Moholt , Steinar Iversen , Dov Avni , Arkady Glukhovsky
发明人： Alf Olsen , Espen A. Olsen , Jorgen Moholt , Steinar Iversen , Dov Avni , Arkady Glukhovsky
IPC分类号： H04N5/235
CPC分类号： H04N5/2352 , H04N5/2353 , H04N5/2354 , H04N5/243
摘要： An imager and a method for real-time, non-destructive monitoring of light incident on imager pixels during their exposure to light. Real-time or present pixel signals, which are indicative of present illumination on the pixels, are compared to a reference signal during the exposure. Adjustments, if necessary, are made to programmable parameters such as gain and/or exposure time to automatically control the imager's exposure to the light. In a preferred exemplary embodiment, only a selected number of pixels are monitored for exposure control as opposed to monitoring the entire pixel array.
摘要翻译：一种成像器和一种在曝光时对成像器像素入射的光进行实时，无损检测的方法。在曝光期间将表示像素上的当前照明的实时或呈现像素信号与参考信号进行比较。如有必要，可以对可编程参数（如增益和/或曝光时间）进行调整，以自动控制成像仪对光的曝光。在优选示例性实施例中，与监视整个像素阵列相比，仅监视选定数量的像素以进行曝光控制。

3. 发明授权

US07605852B2 Real-time exposure control for automatic light control 有权
标题翻译：实时曝光控制，实现自动光控
公开(公告)号：US07605852B2
公开(公告)日：2009-10-20
申请号：US10846513
申请日：2004-05-17
申请人： Alf Olsen , Espen A. Olsen , Jorgen Moholt , Steinar Iversen , Dov Avni , Arkady Glukhovsky
发明人： Alf Olsen , Espen A. Olsen , Jorgen Moholt , Steinar Iversen , Dov Avni , Arkady Glukhovsky
IPC分类号： H04N3/14 , H04N5/235
CPC分类号： H04N5/2352 , H04N5/2353 , H04N5/2354 , H04N5/243
摘要： An imager and a method for real-time, non-destructive monitoring of light incident on imager pixels during their exposure to light. Real-time or present pixel signals, which are indicative of present illumination on the pixels, are compared to a reference signal during the exposure. Adjustments, if necessary, are made to programmable parameters such as gain and/or exposure time to automatically control the imager's exposure to the light. In a preferred exemplary embodiment, only a selected number of pixels are monitored for exposure control as opposed to monitoring the entire pixel array.
摘要翻译：一种成像器和一种在曝光时对成像器像素入射的光进行实时，无损检测的方法。在曝光期间将表示像素上的当前照明的实时或呈现像素信号与参考信号进行比较。如有必要，可以对可编程参数（如增益和/或曝光时间）进行调整，以自动控制成像仪对光的曝光。在优选示例性实施例中，与监视整个像素阵列相比，仅监视选定数量的像素以进行曝光控制。

4. 发明授权

US08547476B2 Image sensor including real-time automatic exposure control and swallowable pill including the same 有权
公开(公告)号：US08547476B2
公开(公告)日：2013-10-01
申请号：US13403599
申请日：2012-02-23
申请人： Alf Olsen , Espen A. Olsen , Jorgen Moholt , Steinar Iversen , Dov Avni , Arkady Glukhovsky
发明人： Alf Olsen , Espen A. Olsen , Jorgen Moholt , Steinar Iversen , Dov Avni , Arkady Glukhovsky
IPC分类号： H04N3/14 , H04N5/335
CPC分类号： H04N5/2352 , H04N5/2353 , H04N5/2354 , H04N5/243
摘要： An imager and a method for real-time, non-destructive monitoring of light incident on imager pixels during their exposure to light. Real-time or present pixel signals, which are indicative of present illumination on the pixels, are compared to a reference signal during the exposure. Adjustments, if necessary, are made to programmable parameters such as gain and/or exposure time to automatically control the imager's exposure to the light. In a preferred exemplary embodiment, only a selected number of pixels are monitored for exposure control as opposed to monitoring the entire pixel array.

5. 发明申请

US20120154563A1 REAL-TIME EXPOSURE CONTROL FOR AUTOMATIC LIGHT CONTROL 有权
标题翻译：实时曝光控制自动光控制
公开(公告)号：US20120154563A1
公开(公告)日：2012-06-21
申请号：US13403599
申请日：2012-02-23
申请人： Alf Olsen , Espen A. Olsen , Jorgen Moholt , Steinar Iversen , Dov Avni , Arkady Glukhovsky
发明人： Alf Olsen , Espen A. Olsen , Jorgen Moholt , Steinar Iversen , Dov Avni , Arkady Glukhovsky
IPC分类号： H04N5/235 , H04N7/18
CPC分类号： H04N5/2352 , H04N5/2353 , H04N5/2354 , H04N5/243
摘要： An imager and a method for real-time, non-destructive monitoring of light incident on imager pixels during their exposure to light. Real-time or present pixel signals, which are indicative of present illumination on the pixels, are compared to a reference signal during the exposure. Adjustments, if necessary, are made to programmable parameters such as gain and/or exposure time to automatically control the imager's exposure to the light. In a preferred exemplary embodiment, only a selected number of pixels are monitored for exposure control as opposed to monitoring the entire pixel array.
摘要翻译：一种成像器和一种在曝光时对成像器像素入射的光进行实时，无损检测的方法。在曝光期间将表示像素上的当前照明的实时或呈现像素信号与参考信号进行比较。如有必要，可以对可编程参数（如增益和/或曝光时间）进行调整，以自动控制成像仪对光的曝光。在优选示例性实施例中，与监视整个像素阵列相比，仅监视选定数量的像素以进行曝光控制。

6. 发明授权

US07297917B2 Readout technique for increasing or maintaining dynamic range in image sensors 有权
标题翻译：用于增加或维持图像传感器动态范围的读出技术
公开(公告)号：US07297917B2
公开(公告)日：2007-11-20
申请号：US11088964
申请日：2005-03-24
申请人： Espen A. Olsen , Jorgen Moholt
发明人： Espen A. Olsen , Jorgen Moholt
IPC分类号： H04N5/335 , H01L27/00
CPC分类号： H04N5/243 , H04N5/378
摘要： The apparatus and method provide a readout technique and circuit for increasing or maintaining dynamic range of an image sensor. The readout technique and circuit process each pixel individually based on the magnitude of the readout signal. The circuit includes a gain amplifier amplifying the readout analog signal, a level detection circuit for determining the signal's magnitude, a second gain amplifier applying a gain based on the signal magnitude and an analog-to-digital converter digitizing the signal and a circuit for multiplying or dividing the signal. The method and circuit allow for a lower signal-to-noise ratio while increasing the dynamic range of the imager.
摘要翻译：该装置和方法提供了用于增加或保持图像传感器的动态范围的读出技术和电路。读出技术和电路根据读出信号的大小分别对每个像素进行处理。该电路包括放大读出的模拟信号的增益放大器，用于确定信号幅度的电平检测电路，基于信号幅度施加增益的第二增益放大器和对信号进行数字化的模数转换器和用于乘法的电路或划分信号。该方法和电路允许较低的信噪比同时增加成像器的动态范围。

7. 发明授权

US07667176B2 Readout technique for increasing or maintaining dynamic range in image sensors 有权
标题翻译：用于增加或维持图像传感器动态范围的读出技术
公开(公告)号：US07667176B2
公开(公告)日：2010-02-23
申请号：US11730877
申请日：2007-04-04
申请人： Espen A. Olsen , Jorgen Moholt
发明人： Espen A. Olsen , Jorgen Moholt
IPC分类号： H04N5/335 , H01L27/00
CPC分类号： H04N5/243 , H04N5/378
摘要： The apparatus and method provide a readout technique and circuit for increasing or maintaining dynamic range of an image sensor. The readout technique and circuit process each pixel individually based on the magnitude of the readout signal. The circuit includes a gain amplifier amplifying the readout analog signal, a level detection circuit for determining the signal's magnitude, a second gain amplifier applying a gain based on the signal magnitude and an analog-to-digital converter digitizing the signal and a circuit for multiplying or dividing the signal. The method and circuit allow for a lower signal-to-noise ratio while increasing the dynamic range of the imager.
摘要翻译：该装置和方法提供了用于增加或保持图像传感器的动态范围的读出技术和电路。读出技术和电路根据读出信号的幅度单独处理每个像素。该电路包括放大读出的模拟信号的增益放大器，用于确定信号幅度的电平检测电路，基于信号幅度施加增益的第二增益放大器和对信号进行数字化的模数转换器和用于乘法的电路或划分信号。该方法和电路允许较低的信噪比同时增加成像器的动态范围。

8. 发明申请

US20110133057A1 ANTI-ECLIPSE CIRCUITRY WITH TRACKING OF FLOATING DIFFUSION RESET LEVEL 有权
标题翻译：具有跟踪浮动扩展复位电平的抗电路电路
公开(公告)号：US20110133057A1
公开(公告)日：2011-06-09
申请号：US13029613
申请日：2011-02-17
申请人： Espen A. Olsen
发明人： Espen A. Olsen
IPC分类号： H01L27/146 , G01J1/44 , H01L31/18
CPC分类号： H04N5/3598 , H04N5/361 , H04N5/3653 , H04N5/3742
摘要： An anti-eclipse circuit for an imager is formed from pixel circuitry over the same semiconductor substrate as the imaging pixels. More specifically, two adjacent pixel circuits are modified to form an amplifier. One input of the amplifier is adapted to receive a reset signal from one of the pixel circuits while another input is adapted to be set at a predetermined offset voltage from the output of the amplifier. The amplifier is preferably a unity gain amplifier, so that the output of the amplifier set to a voltage level equal to the predetermined offset from the voltage level of the reset signal. Accordingly, the anti-eclipse circuit outputs a reference voltage at predetermined level from the reset voltage of a pixel and does not need to be calibrated for fabrication related variances in reset voltages.
摘要翻译：用于成像器的抗日食电路由与成像像素相同的半导体衬底上的像素电路形成。更具体地，修改两个相邻像素电路以形成放大器。放大器的一个输入端适于接收来自像素电路之一的复位信号，而另一个输入适于被设置在来自放大器的输出端的预定偏移电压。放大器优选地是单位增益放大器，使得放大器的输出设置为等于从复位信号的电压电平的预定偏移的电压电平。因此，防蚀电路从像素的复位电压输出预定电平的参考电压，并且不需要校准复位电压中的制造相关方差。

9. 发明授权

US07916186B2 Anti-eclipse circuitry with tracking of floating diffusion reset level 有权
标题翻译：具有跟踪浮动扩散复位电平的日食电路
公开(公告)号：US07916186B2
公开(公告)日：2011-03-29
申请号：US11100429
申请日：2005-04-07
申请人： Espen A. Olsen
发明人： Espen A. Olsen
IPC分类号： H04N5/217
CPC分类号： H04N5/3598 , H04N5/361 , H04N5/3653 , H04N5/3742
摘要： An anti-eclipse circuit for an imager is formed from pixel circuitry over the same semiconductor substrate as the imaging pixels. More specifically, two adjacent pixel circuits are modified to form an amplifier. One input of the amplifier is adapted to receive a reset signal from one of the pixel circuits while another input is adapted to be set at a predetermined offset voltage from the output of the amplifier. The amplifier is preferably a unity gain amplifier, so that the output of the amplifier set to a voltage level equal to the predetermined offset from the voltage level of the reset signal. Accordingly, the anti-eclipse circuit outputs a reference voltage at predetermined level from the reset voltage of a pixel and does not need to be calibrated for fabrication related variances in reset voltages.
摘要翻译：用于成像器的抗日食电路由与成像像素相同的半导体衬底上的像素电路形成。更具体地，修改两个相邻像素电路以形成放大器。放大器的一个输入端适于接收来自像素电路之一的复位信号，而另一个输入适于被设置在来自放大器的输出端的预定偏移电压。放大器优选地是单位增益放大器，使得放大器的输出设置为等于从复位信号的电压电平的预定偏移的电压电平。因此，防蚀电路从像素的复位电压输出预定电平的参考电压，并且不需要校准复位电压中的制造相关方差。

10. 发明授权

US08547462B2 Anti-eclipse circuitry with tracking of floating diffusion reset level 有权
公开(公告)号：US08547462B2
公开(公告)日：2013-10-01
申请号：US13029613
申请日：2011-02-17
申请人： Espen A. Olsen
发明人： Espen A. Olsen
IPC分类号： H04N5/335
CPC分类号： H04N5/3598 , H04N5/361 , H04N5/3653 , H04N5/3742
摘要： An anti-eclipse circuit for an imager is formed from pixel circuitry over the same semiconductor substrate as the imaging pixels. More specifically, two adjacent pixel circuits are modified to form an amplifier. One input of the amplifier is adapted to receive a reset signal from one of the pixel circuits while another input is adapted to be set at a predetermined offset voltage from the output of the amplifier. The amplifier is preferably a unity gain amplifier, so that the output of the amplifier set to a voltage level equal to the predetermined offset from the voltage level of the reset signal. Accordingly, the anti-eclipse circuit outputs a reference voltage at predetermined level from the reset voltage of a pixel and does not need to be calibrated for fabrication related variances in reset voltages.

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