18493928. RADIATION IMAGING APPARATUS AND RADIATION IMAGING SYSTEM simplified abstract (CANON KABUSHIKI KAISHA)

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RADIATION IMAGING APPARATUS AND RADIATION IMAGING SYSTEM

Organization Name

CANON KABUSHIKI KAISHA

Inventor(s)

YUKI Iwabuchi of Kanagawa (JP)

RADIATION IMAGING APPARATUS AND RADIATION IMAGING SYSTEM - A simplified explanation of the abstract

This abstract first appeared for US patent application 18493928 titled 'RADIATION IMAGING APPARATUS AND RADIATION IMAGING SYSTEM

Simplified Explanation

The patent application describes a radiation imaging apparatus with a readout circuit that can operate in different modes, including a mode with longer time between imagings.

  • Pixel array arranged in the apparatus
  • Readout circuit reads out signal from pixel array
  • Readout circuit operates in multiple modes, including a first mode and a second mode with longer time between imagings
  • Integration amplifier amplifies the signal from the pixel array
  • Sample and hold circuit holds the amplified signal
  • Integration amplifier can switch current driving capability for driving input node of sample and hold circuit
  • Current driving capability in first mode is higher than in second mode
      1. Potential Applications
  • Medical imaging
  • Security screening
  • Industrial inspection
      1. Problems Solved
  • Improved image quality
  • Reduced noise in images
  • Increased flexibility in imaging modes
      1. Benefits
  • Higher quality images
  • Enhanced performance in different imaging scenarios
  • Improved efficiency in image capture


Original Abstract Submitted

A radiation imaging apparatus is provided. The apparatus includes a pixel array in which pixels are arranged, and a readout circuit configured to read out the signal from the pixel array, and configured to operate in a plurality of modes including a first mode and a second mode in which a time between imagings is longer than in the first mode. The readout circuit includes an integration amplifier configured to amplify the signal read out from the pixel array, and a sample and hold circuit configured to hold the signal amplified by the integration amplifier, the integration amplifier is configured to be able to switch a current driving capability for driving an input node of the sample and hold circuit, and the current driving capability in the first mode is higher than the current driving capability in the second mode.

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