Image-pickup system and method of controlling same
First Claim
1. An image-pickup system comprising:
- an image-pickup apparatus including a detector comprising a detecting unit and a reading circuit, the detecting unit being provided with pixels that are arranged in matrix-form, where each of the pixels includes a conversion element converting a radiation into an electric charge, the reading circuit including a connecting unit that is electrically connected to a signal wire transferring an electric signal corresponding to the electric charge and that electrically connects the signal wire to a node to which a specified potential is supplied, the reading circuit being provided to perform a reading operation to output the electric signal from the pixel, and a control unit configured to control an operation of the reading circuit; and
a sensing unit configured to sense an end of irradiation of a radiation based on an output of the reading circuit, the output being acquired during a time period where the detector performs an accumulation operation,wherein the control unit controls the reading circuit so that the connecting unit starts establishing the electrical connection between the signal wire and the node based on the sensed end of the irradiation, and retains the electrical connection until the start of the reading operation.
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Accused Products
Abstract
An image-pickup apparatus including a detector comprising a detecting unit and a reading circuit, the detecting unit including pixels, each of which including a conversion element, the reading circuit which includes a connecting unit that is electrically connected to a signal wire transferring an electric signal and that electrically connects the signal wire to a node, and which performs a reading operation to output the electric signal from the pixel. A control unit controls an operation of the reading circuit, and a sensing unit senses the end of radiation irradiation based on an output of the reading circuit, which is acquired during the period of an accumulation operation of the detector. The control unit starts establishing the electrical connection between the signal wire and the node through the connecting unit based on the sensed irradiation end, and retains the electrical connection until the start of the reading operation.
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Citations
12 Claims
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1. An image-pickup system comprising:
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an image-pickup apparatus including a detector comprising a detecting unit and a reading circuit, the detecting unit being provided with pixels that are arranged in matrix-form, where each of the pixels includes a conversion element converting a radiation into an electric charge, the reading circuit including a connecting unit that is electrically connected to a signal wire transferring an electric signal corresponding to the electric charge and that electrically connects the signal wire to a node to which a specified potential is supplied, the reading circuit being provided to perform a reading operation to output the electric signal from the pixel, and a control unit configured to control an operation of the reading circuit; and a sensing unit configured to sense an end of irradiation of a radiation based on an output of the reading circuit, the output being acquired during a time period where the detector performs an accumulation operation, wherein the control unit controls the reading circuit so that the connecting unit starts establishing the electrical connection between the signal wire and the node based on the sensed end of the irradiation, and retains the electrical connection until the start of the reading operation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of controlling an image-pickup system including an image-pickup apparatus including a detector comprising a detecting unit and a reading circuit, the detecting unit being provided with pixels that are arranged in matrix-form, where each of the pixels includes a conversion element converting a radiation into an electric charge, the reading circuit including a connecting unit that is electrically connected to a signal wire transferring an electric signal corresponding to the electric charge and that electrically connects the signal wire to a node to which a specified potential is supplied, the reading circuit being provided to perform a reading operation to output the electric signal from the pixel, and a control unit configured to control an operation of the reading circuit, the method comprising the steps of:
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sensing an end of radiation irradiation based on an output of the reading circuit, the output being acquired during a time period where the detector performs an accumulation operation, and starting establishing the electrical connection between the signal wire and the node by the connecting unit based on the sensed end of the irradiation and retaining the electrical connection by the connecting unit until the start of the reading operation.
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12. A non-transitory computer-readable storage medium storing thereon a computer-executable program which when executed on a computer causes the computer to control an image-pickup system, the image pickup system including a radiation image-pickup apparatus including a detector comprising a detecting unit and a reading circuit, the detecting unit being provided with pixels that are arranged in matrix-form, where each of the pixels includes a conversion element converting a radiation into an electric charge, the reading circuit including a connecting unit that is electrically connected to a signal wire transferring an electric signal corresponding to the electric charge and that electrically connects the signal wire to a node to which a specified potential is supplied, the reading circuit being provided to perform a reading operation to output the electric signal from the pixel, and a control unit configured to control an operation of the reading circuit, the program causing the computer to execute the steps of:
- sensing an end of radiation irradiation based on an output of the reading circuit, the output being acquired during a time period where the detector performs an accumulation operation, and starting establishing the electrical connection between the signal wire and the node by the connecting unit based on the sensed end of the irradiation and retaining the electrical connection by the connecting unit until the start of the reading operation.
Specification