Image sensing apparatus with shielding for unit blocks of a common processing circuit of plural pixels
An image sensing apparatus is provided, which is provided with a plurality of image sensing elements each including a plurality of photoelectric conversion sections and an adding circuit adapted to add signals from the plurality of photoelectric conversion sections to obtain a one-pixel signal, wherein the adding circuit adds the signals such that the one-pixel signals obtained by the addition are arranged at equal intervals in an area extending over the plurality of image sensing elements.
1. An image sensing apparatus comprising:
an effective pixel area arranged with a plurality of pixels, each pixel having a photoelectric conversion section and a transistor;
a common processing circuit constructed to process signals outputted through a vertical signal line from the plurality of pixels in the effective pixel area, wherein the common processing circuit is arranged in the effective pixel area and has a plurality of unit blocks; and
light shielding sections for covering the unit blocks of the common processing circuit.
2. An image sensing apparatus according to claim 1 , wherein said common processing circuit is provided with a multiplexer.
3. An image sensing apparatus according to claim 1 , wherein said common processing circuit is provided with an amplifier adapted to amplify the signals transferred to a horizontal output line.
4. An image sensing apparatus according to claim 1 , further comprising:
a scintillator plate;
a signal processing circuit constructed to process signals from said effective pixel area; and
a radiation source constructed to generate radiation.
5. An image sensing apparatus comprising:
an effective pixel area arranged with a plurality of pixels, each pixel having a photoelectric conversion section and a transistor;
light shielding sections disposed within each of a part of said plurality of photoelectric conversion sections, wherein centroids of said photoelectric conversion sections in which said light shielding sections are disposed, are arranged at equal intervals; and
a common processing circuit constructed to process signals outputted through a vertical line signal from the plurality of pixels in the effective pixel area, wherein the common processing circuit is arranged in the effective pixel area and has a plurality of unit blocks, wherein the plurality of unit blocks are arranged under said light shielding sections.
6. An image sensing apparatus according to claim 5 , wherein said common processing circuit is provided with a noise eliminating circuit.
7. An image sensing apparatus according to claim 5 , wherein said common processing circuit is provided with an A/D converter.
8. An image sensing apparatus according to claim 5 , wherein said common processing circuit is provided with a multiplexer.
9. An image sensing apparatus according to claim 5 , wherein said common processing circuit is provided with an amplifier constructed to amplify signals transferred to a horizontal output line.
10. An image sensing apparatus according to claim 5 , further comprising:
a scintillator plate;
a signal processing circuit constructed to process signals from said effective pixel area; and
a radiation source constructed to generate radiation.