Area Auto-Focus CMOS Sensor with new Noise Cancellation Circuits

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  • 新規ノイズ除去回路を搭載したCMOSエリア型オートフォーカスセンサ
  • シンキ ノイズ ジョキョ カイロ オ トウサイ シタ CMOS エリアガタ オートフォーカス センサ

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Abstract

We have developed a new CMOS area sensor for an auto-focus camera system. This device has been developed for our AF SLR(Auto-Focus-Single-Lens-Reflex) camera EOS-3 that realizes 45-point area AF. The area AF CMOS sensor is fabricated using 1.2μm CMOS process, which consists of new CMOS sensor cells, new CMOS memory cells, signal trasfer cicuits and peak monitor circuits. This device realizes low noise characteristics by new noise cancellation technology. The area AF CMOS sensor exhibits excellent performance such as a high sensitivity and wide dynamic range. In addition, this area AF sensor realizes the low power consumption, high-speed readout and on-chip peripheral circuit.

Journal

  • ITE Technical Report

    ITE Technical Report 23.57 (0), 21-28, 1999

    The Institute of Image Information and Television Engineers

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