Radiographic system, automatic exposure control method of radiographic system, and radiological image detector
First Claim
1. A radiographic system havinga radiation source that irradiates an object with radiation,a source controller that controls the radiation source, anda radiological image detector that receives the radiation passing through the object to detect a radiological image and that has an AEC sensor performing an automatic exposure control of detecting the dose of the radiation passing through the object and stopping irradiation with the radiation from the radiation source when the integrated value of the detected dose reaches a predetermined irradiation-stop threshold,the radiographic system implementing the automatic exposure control by exchanging any one of a detection signal of the AEC sensor and an irradiation stop signal based on a comparison result of the integrated value of the detection signal of the AEC sensor and the irradiation-stop threshold between the source controller and the radiological image detector,the radiographic system comprising:
- an information acquiring part for acquiring type information on an installation convenience preference type in which convenience in connection between the source controller and the radiological image detector is preferred or an installation convenience non-preference type; and
a switching part for selectively switching an output format of an automatic exposure control signal so as to exchange the detection signal between the source controller and the radiological image detector when the type acquired by the information acquiring part is the installation convenience preference type, and to exchange the irradiation stop signal between the source controller and the radiological image detector when the type acquired by the information acquiring part is the installation convenience non-preference type.
1 Assignment
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Accused Products
Abstract
A storage and search unit of a console acquires a source ID of an X-ray source and searches for and extracts a type corresponding to the acquired source ID from source information of a storage device. In the case of an installation convenience preference type in which convenience in connection between a source controller and an electronic cassette is preferred, a detection signal from a detection pixel of an FPD of the electronic cassette is output from a detection signal I/F of the electronic cassette to a detection signal I/F of the source controller. In the case of an installation convenience non-preference type, an irradiation stop signal based on the comparison result of the integrated value of the detection signal from the detection pixel with an irradiation-stop threshold is output from an irradiation signal I/F of the electronic cassette to an irradiation signal I/F of the source controller.
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Citations
21 Claims
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1. A radiographic system having
a radiation source that irradiates an object with radiation, a source controller that controls the radiation source, and a radiological image detector that receives the radiation passing through the object to detect a radiological image and that has an AEC sensor performing an automatic exposure control of detecting the dose of the radiation passing through the object and stopping irradiation with the radiation from the radiation source when the integrated value of the detected dose reaches a predetermined irradiation-stop threshold, the radiographic system implementing the automatic exposure control by exchanging any one of a detection signal of the AEC sensor and an irradiation stop signal based on a comparison result of the integrated value of the detection signal of the AEC sensor and the irradiation-stop threshold between the source controller and the radiological image detector, the radiographic system comprising: -
an information acquiring part for acquiring type information on an installation convenience preference type in which convenience in connection between the source controller and the radiological image detector is preferred or an installation convenience non-preference type; and a switching part for selectively switching an output format of an automatic exposure control signal so as to exchange the detection signal between the source controller and the radiological image detector when the type acquired by the information acquiring part is the installation convenience preference type, and to exchange the irradiation stop signal between the source controller and the radiological image detector when the type acquired by the information acquiring part is the installation convenience non-preference type. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. An automatic exposure control method of a radiographic system having
a radiation source that irradiates an object with radiation, a source controller that controls the radiation source, and a radiological image detector that receives the radiation passing through the object to detect a radiological image and that has an AEC sensor performing an automatic exposure control of detecting the dose of the radiation passing through the object and stopping irradiation with the radiation from the radiation source when the integrated value of the detected dose reaches a predetermined irradiation-stop threshold, the radiographic system implementing the automatic exposure control by exchanging any one of a detection signal of the AEC sensor and an irradiation stop signal based on a comparison result of the integrated value of the detection signal of the AEC sensor and the irradiation-stop threshold between the source controller and the radiological image detector, the automatic exposure control method comprising: -
an information acquiring step of acquiring type information on an installation convenience preference type in which convenience in connection between the source controller and the radiological image detector is preferred or an installation convenience non-preference type; and a switching step of selectively switching an output format of an automatic exposure control signal so as to exchange the detection signal between the source controller and the radiological image detector when the type acquired in the information acquiring step is the installation convenience preference type and to exchange the irradiation stop signal between the source controller and the radiological image detector when the type acquired by the information acquiring part is the installation convenience non-preference type.
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21. A radiological image detector that receives radiation passing through an object to detect a radiological image, comprising:
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an AEC sensor that performs an automatic exposure control of detecting the dose of the radiation passing through the object and stopping irradiation with the radiation from a radiation source when the integrated value of the detected dose reaches a predetermined irradiation-stop threshold, wherein the automatic exposure control is implemented by exchanging any one of a detection signal of the AEC sensor and an irradiation stop signal based on a comparison result of the integrated value of the detection signal of the AEC sensor and the irradiation-stop threshold with a source controller controlling the radiation source, and wherein an output format of an automatic exposure control signal is selectively switched so as to exchange the detection signal with the source controller and the radiological image detector in the case of an installation convenience preference type in which convenience in connection to the source controller is preferred and to exchange the irradiation stop signal with the source controller in the case of an installation convenience non-preference type.
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Specification