Patent ID: 6512543
Filing Date: 2003-01-28
Classification: H04N

Abstract:
A physical quantity distribution sensor having a plurality of unit cells arranged in N rows and M columns (each of N and M being a natural number not less than 2),each of said plurality of unit cells comprising (i) a sensor/storage section for sensing and storing information of a physical quantity, and (ii) a reset element for resetting said sensor/storage section, wherein said sensor comprises: a row selector for selecting one row out of said N rows; buffers in said M columns each for detecting and supplying information stored in the sensor/storage section in a selected row; and N selection signal transfer lines each for transferring an output signal of said row selector to each of said N rows, power supply input portions of said buffers in said M columns being connected to said N selection signal transfer lines, and arranged to receive a power voltage through the selection signal transfer line in a selected row, and the selection signal transfer line in the nth row (n=2, 3, . . . N) being connected to input portions of the reset elements in the (nâˆ’1)th row.