Abstract: In a portable apparatus of a medical system, in a case where an operation unit receives an operation from a physician on the basis of the display contents of a display unit, the medical apparatus controlled as a result of the operation of the operation unit by an operator is defined by an operation control unit, and a signal in response to the operation contents received by the operation unit is transmitted from a transmission unit to the defined medical apparatus.

Abstract: A control unit of an electronic cassette has a function of switching a power supply state to an ADC between an operating state corresponding to a first state in which first power is supplied and a non-operating state corresponding to a second state in which second power that is lower than the first power per unit time is supplied. The control unit reduces the number of ADCs in the operating state per unit time T in an AED operation for detecting the start of the emission of X-rays to be less than that in an image reading operation for outputting an X-ray image provided for diagnosis.

Abstract: In a case where power P_C supplied to CA during the image reading operation is normal power PN_C, in an AED operation of detecting irradiation start of X-rays, a control unit of an electronic cassette causes at least one of non-detection CAs other than a detection CA that is the charge amplifier connected to a detection channel of a detection pixel for irradiation start detection, among the plurality of CAs connected to a MUX to be in a power saving state in which the supply power P_C is lower than the normal power PN_C during the image reading operation.

Abstract: In an AED operation of detecting irradiation start of X-rays, a control unit of an electronic cassette selectively outputs the analog voltage signal from a part of the charge amplifiers including a detection CA connected to the detection channel of a detection pixel for irradiation start detection among the plurality of CAs connected to the MUX, to the ADC, causes the ADC to perform only the AD conversion process for the analog voltage signal selectively output from the multiplexer, and reduces the number of pulses NPU_A per unit time in a clock signal defining an operation timing of the ADC compared to that in the image reading operation.

Abstract: A control unit of an electronic cassette switches the power supply state of a plurality of blocks BL which share a signal processing of a signal processing circuit between an operating state and a non-operating state. The control unit switches the block BL from the non-operating state to the operating state before a predetermined time TW necessary for stable operation of the block BL from a timing when the reading of charge starts in the block BL.

Abstract: This radiography system has a switching processing unit that switches the device that controls a radiation source and a radiography device to a control device or a portable apparatus. In a case where penetrative imaging has started, the switching processing unit switches the device that controls the radiation source and the radiography device from the control device to the portable apparatus.

Abstract: The radiography apparatus includes: a plurality of imaging pixels that are provided on a resin substrate having flexibility, are used to capture a radiographic image; a detection unit; an accumulation controller that performs control such that the charge generated in each of the imaging pixels is accumulated in the imaging pixel in a case in which an operation mode is an accumulation mode; and a mode change controller that performs control such that the operation mode of the accumulation controller is changed to the accumulation mode in a case in which a rate of change in a level of an electric signal based on the charge generated in the detection unit per hour or an amount of change in the level of the electric signal per hour is greater than a first threshold value and the level of the electric signal is greater than a second threshold value.

Abstract: A radiographic imaging apparatus includes a sensor substrate including a flexible base material, and an active area which is provided on a first surface of the base material and in which a plurality of pixels, which accumulate electrical charges generated in accordance with light converted from radiation, are formed; a conversion layer that is provided on the first surface side in the sensor substrate to convert radiation into the light; and a grid that is disposed on a second surface side opposite to the first surface of the base material and has a removal portion that has a mesh-like radiation absorbing member provided between a plurality of partitions in units of a predetermined number of pixels to remove scattered radiation according to the radiation.

Abstract: A radiation detector includes a flexible substrate; a plurality of pixels provided on a first surface of the substrate to accumulate electrical charges generated in accordance with light converted from radiation; and a terminal region part formed with a plurality of terminal regions each including terminals connected to a predetermined pixel group including some of the plurality of pixels and formed on the first surface of the substrate.

Abstract: A radiation image detection apparatus, including an image receiving unit having a two-dimensional array of a plurality of pixels that generate electrical charges when being subjected to irradiation of radiation, the plurality of pixels including a plurality of pixels for detecting an image and one or more pixels for detecting irradiation; an image data generation unit configured to generate image data based on an electrical signal output from the respective pixels for detecting the image, an irradiation detection unit configured to detect the irradiation of radiation based on the electrical signal output from the respective pixels for detecting irradiation, a communication unit that transmits the image data generated in the image data generation unit, and a control unit configured to include a plurality of control modes including a photographing mode generating the image data, an irradiation detection mode detecting the irradiation of radiation and a standby mode.

Abstract: The radiation detector includes a sensor board including a flexible substrate and a layer which is provided on a first surface of the substrate and in which a plurality of pixels, which accumulate electrical charges generated in accordance with light converted from radiation, are formed; a conversion layer that is provided on a side, opposite to the substrate, of the layer in which the pixels are formed, and converts radiation into the light; a first protective film that is provided on the first surface side of the substrate with an end part also provided on the first surface side of the substrate and covers at least the entire conversion layer; and a second protective film that covers at least a second surface opposite to the first surface.

Abstract: A radiation detector includes a flexible substrate; a plurality of pixels provided on a first surface of the substrate to accumulate electrical charges generated in accordance with light converted from radiation; and a terminal region part formed with a plurality of terminal regions each including terminals connected to a predetermined pixel group including some of the plurality of pixels and formed on the first surface of the substrate.

Abstract: A radiation image detection apparatus, including an image receiving unit having a two-dimensional array of a plurality of pixels that generate electrical charges when being subjected to irradiation of radiation, the plurality of pixels including a plurality of pixels for detecting an image; and one or more pixels for detecting irradiation; an image data generation unit configured to generate image data based on an electrical signal output from the respective pixels for detecting the image, an irradiation detection unit configured to detect the irradiation of radiation based on the electrical signal output from the respective pixels for detecting irradiation, a communication unit that transmits the image data generated in the image data generation unit, and a control unit configured to include a plurality of control modes including a photographing mode generating the image data, an irradiation detection mode detecting the irradiation of radiation and a standby mode.

Abstract: A radiation detector and a radiological image radiographing apparatus capable of improving the quality of an obtained radiological image without causing an additional cost are provided. A first scintillator configured to include columnar crystals generating first light corresponding to a radiation emitted through a TFT substrate is laminated on the other surface of the TFT substrate that has a first photoelectric conversion element, which has one surface from which a radiation is emitted and the other surface from which at least one of the first light and the second light is emitted and which generates electric charges corresponding to the light, and a first switching element. A second scintillator which generates second light corresponding to a radiation emitted through the first scintillator and has different energy characteristics of absorbed radiations from the first scintillator is laminated on a surface of the first scintillator not facing the TFT substrate.

Abstract: A radiographic imaging control device is provided with a radiation detector, amplifiers and a controller. A plurality of pixels are arrayed in the radiation detector, each pixel including a sensor portion that generates charges in accordance with irradiated radiation and a switching element that is for reading out the charges generated at the sensor portion. Each amplifier is provided in correspondence with a respective pixel of the radiation detector, is equipped with a resetter that resets charges remaining at an integration capacitor, and amplifies an electronic signal according to the charges read out by the switching element from the corresponding pixel by a pre-specified amplification factor. In accordance with pre-specified conditions, the controller controls so as to alter a bias current supplied to the amplifiers in at least some periods of resetting by the resetter.

Abstract: There are provided the following components: an FPD that has a plurality of pixels, in which signal electric charges corresponding to amounts of X-rays incident are accumulated, and that is capable of nondestructively reading data which indicates the X-ray image; an amplifier that amplifies a signal sent from the FPD and has a variable gain; an evaluation value calculation section that obtains an evaluation value for evaluating the X-ray image; and a gain adjustment section that calculates a new gain of the amplifier used at the time of rereading. The gain of the amplifier is changed to a value of a new gain which is calculated by the gain adjustment section, and the X-ray image is reread.

Abstract: The radiographic imaging device including: a radiation detector comprising plural radiographic image acquisition pixels, which are arranged in a matrix in an imaging region, for capturing a radiographic image and that acquire image information representing the radiographic image by converting applied radiation into electric charges and storing the electric charges, and a plural radiation detection pixels that detect the applied radiation by converting the applied radiation into electric charges and storing the electric charges, a subset of the plural radiation detection pixels having different characteristics; and a detecting unit that uses the radiation detection pixels selectively according to the different characteristics to detect a state of application of the radiation.

Abstract: A radiation detection device has: a scintillator for converting radiation into fluorescence; a photoelectric conversion unit for converting the fluorescence into an electric signal; and a reset light source unit for exposing reset light to the photoelectric conversion unit. A system control unit has an optical reset disabling unit for, based on a reset disabling instruction, disabling the exposure of the reset light output from the reset light source unit.

Abstract: A radiographic image capture device includes a radiation detector, an application section and a controller. The radiation detector includes plural detection pixels that detect a radiation application state and plural imaging pixels that capture a radiographic image. The application section applies a bias voltage to each of the plural detection pixels and to each of the plural imaging pixels. The controller effects control such that, if the radiation application amount detected by the detection pixels is equal to or greater than a first threshold value during a first state in which the bias voltage is applied to the plural detection pixels, the application section is caused to transition to a second state in which the bias voltage applied to the detection pixels is reduced.

Abstract: A radiation image detection apparatus, including an image receiving unit having a two-dimensional array of a plurality of pixels that generate electrical charges when being subjected to irradiation of radiation, the plurality of pixels including a plurality of pixels for detecting an image; and one or more pixels for detecting irradiation; an image data generation unit configured to generate image data based on an electrical signal output from the respective pixels for detecting the image, an irradiation detection unit configured to detect the irradiation of radiation based on the electrical signal output from the respective pixels for detecting irradiation, a communication unit that transmits the image data generated in the image data generation unit, and a control unit configured to include a plurality of control modes including a photographing mode generating the image data, an irradiation detection mode detecting the irradiation of radiation and a standby mode.