公开(公告)号：WO2013070932A1

公开(公告)日：2013-05-16

申请号：PCT/US2012/064177

申请日：2012-11-08

Applicant: RAMBUS INC.

Inventor： VOGELSANG, Thomas ,  STORK, David, Geoffrey ,  LINSTADT, John, Eric ,  HARRIS, James, E.

IPC: H04N5/335

CPC classification number: H04N5/235 ,  H04N1/00769 ,  H04N5/2355 ,  H04N5/3355 ,  H04N5/3535 ,  H04N5/355 ,  H04N5/35536 ,  H04N5/3745

Abstract: Pixel circuits in an image sensor are sampled repetitively during an image frame period. At each sampling, a signal indicative of the photocharge integrated by a pixel circuit since last reset is compared to a threshold. If the integrated photocharge signal has not reached the threshold, the pixel circuit is permitted to continue integrating photocharge. If the integrated photocharge signal has reached the threshold, the pixel circuit is reset to remove integrated photocharge and photocharge integration for that pixel circuit is restarted. A corresponding pixel circuit value is recorded for the reset pixel circuit.

Abstract translation: 图像传感器中的像素电路在图像帧周期期间重复采样。 在每次采样时，将与上一次复位后的像素电路集成的光电荷的信号与阈值进行比较。 如果集成光电荷信号尚未达到阈值，则允许像素电路继续积分光电荷。 如果积分的光电荷信号已经达到阈值，则像素电路被复位以去除集成的光电荷并且该像素电路的光电荷积分被重新启动。 记录复位像素电路的对应像素电路值。

公开(公告)号：WO2013070942A1

公开(公告)日：2013-05-16

申请号：PCT/US2012/064190

申请日：2012-11-08

Applicant: RAMBUS INC.

Inventor： VOGELSANG, Thomas ,  STORK, David, Geoffrey ,  SHEN, Jie ,  WANG, Yueyong ,  ALEKSIC, Marko

IPC: H04N9/64

CPC classification number: H04N5/353 ,  H04N5/3355 ,  H04N5/3696 ,  H04N5/37455 ,  H04N5/37457

Abstract: In an integrated-circuit image sensor, binary sample values are read out from an array of pixels after successive sampling intervals that collectively span an image exposure interval and include at least two sampling intervals of unequal duration. Each pixel of the array is conditionally reset after each of the successive sampling intervals according to whether the pixel yields a binary sample in a first state or a second state.

Abstract translation: 在集成电路图像传感器中，在连续采样间隔之后从像素阵列中读出二进制采样值，该采样间隔共同跨越图像曝光间隔并且包括至少两个不等长度的采样间隔。 根据该像素是否产生处于第一状态或第二状态的二进制样本，阵列的每个像素在每个连续采样间隔之后有条件地重置。