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A physical quantity distribution sensor including a plurality of unit cells. Each unit cell includes an information storage region responsive to a physical stimulus and capable of a transition from a first electrical potential state to a second electrical potential state according to the physical st

A physical quantity distribution sensor including a plurality of unit cells. Each unit cell includes an information storage region responsive to a physical stimulus and capable of a transition from a first electrical potential state to a second electrical potential state according to the physical stimulus, a driving element for providing at an output portion thereof an electrical potential according to the electrical potential state of the information storage region, and a switching element for selecting the unit cell. The physical quantity distribution sensor further includes an output adjustment section capable of adjusting the first electrical potential state of the information storage region in order that the output of the selected driving element may substantially equal a reference electrical potential at the time when the switching element is in the conductive state.

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1. A physical quantity distribution sensor comprising a plurality of unit cells each including:an information storage region responsive to a physical stimulus and capable of a transition from a first electrical potential state to a second electrical potential state according to the physical stimulus

1. A physical quantity distribution sensor comprising a plurality of unit cells each including:an information storage region responsive to a physical stimulus and capable of a transition from a first electrical potential state to a second electrical potential state according to the physical stimulus; a driving element for providing at an output portion thereof an electrical potential according to the electrical potential state of said information storage region; and a switching element connected to the output portion of the driving element; said physical quantity distribution sensor further comprising:an output section for receiving, when said switching element is electrically conductive, an output from said driving element which is connected to said switching element and outputting a signal according to the electric potential state of said information storage region; an output adjustment section for receiving, when said switching element is electrically conductive, said output from the driving element and adjusting said first electrical potential state of said information storage region in order that said output from the driving element may substantially equal a reference electrical potential; and a unit cell selector for controlling an electrically conductive/non-conductive state of said switching element.