Patent Number: 6,166,767

Title: Active solid-state imaging device which effectively suppresses fixed-pattern noise

Abstract: The active solid-state imaging device includes active photoelectric conversion elements each including a photoelectric conversion section and an amplification section for amplifying a signal charge generated by the photoelectric conversion section as a signal voltage, the active photoelectric conversion element being connected to a vertical signal line, the vertical signal line being connected to a common signal line via an impedance conversion section and a switch section, so that the signal voltage at the active photoelectric conversion element is transferred to the common signal line via the vertical signal line, the impedance conversion section, and the switch section, wherein the active solid-state imaging device further includes a reset section for resetting an input of the impedance conversion section at a reference voltage, and the input of the impedance conversion section is reset at the reference voltage by the reset section while the switch section is on and the signal voltage at the active photoelectric conversion section is being transferred to the common signal line, so that the signal voltage and the reference voltage are transferred to the common signal line as a set.

Inventors: Watanabe; Takashi (Soraku-gun, JP)

Assignee: Sharp Kabushiki Kaisha

International Classification: H04N 3/15 (20060101); H04N 003/14 (); H04N 005/217 ()

Expiration Date: 12/26/2017