Abstract: 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.

Abstract: A radiation imaging apparatus includes a radiation detector and one or more controllers being configured to acquire first output information and then acquire second output information being information about a charge accumulated in a plurality of pixels without radiation irradiation on the radiation detector, the first output information being information about the charge accumulated in the plurality of pixels with radiation irradiation on the radiation detector, wherein the first output information and the second output information are information for acquiring a corrected radiation image, and wherein an output value of a predetermined row that is included in the first output information is an output value of the charge accumulated over a first period, and an output value of the predetermined row that is included in the second output information is an output value of the charge accumulated over a second period, the second period being longer than the first period.

Abstract: A radiation imaging apparatus is provided. The radiation imaging apparatus comprises a plurality of pixels used to acquire a radiation image, and a readout circuit configured to read out a signal from each of the plurality of pixels. Correction image data used for performing offset correction is acquired from the plurality of pixels in an acquisition mode associated with an estimated value of the signal and system noise generated when the readout circuit reads out the signal, the estimated value and the system noise being set according to an imaging mode by a user.

Abstract: The present invention addresses the problem of providing a mouthpiece that has an excellent fit and that is not prone to breakage or deformation. This mouthpiece for solving the above problem has: a pair of mouthpiece body parts configured from an upper-jaw mouthpiece body part mounted to the upper jaw, and a lower-jaw mouthpiece body part mounted to the lower jaw; a positioning member for restricting rearward displacement of the lower-jaw mouthpiece body part; and a support part that is disposed between the positioning member and the body parts and that supports the positioning member, so as to cover a portion of a surface that faces a surface of the upper-jaw mouthpiece body part and/or the lower-jaw mouthpiece body part that is mounted to a tooth row, the support part including a material that has a different flexural modulus than the mouthpiece body parts.

Abstract: A radiation imaging apparatus comprising a pixel array and a readout circuit is provided. The readout circuit includes an integrating amplifier configured to read out a signal from the pixel, a sample-and-hold circuit configured to sample an output from the integrating amplifier, and an A/D convertor configured to perform analog/digital conversion on an output from the sample-and-hold circuit and output the converted output. The apparatus performs first control and second control in parallel in an accumulation period for accumulating the signal in the pixel array. In the first control, the A/D convertor performs an analog/digital conversion operation, and in the second control, the integrating amplifier outputs a reference potential and the A/D convertor is electrically connected to a node configured to output the reference potential of the integrating amplifier.

Abstract: The present invention addresses the problem of providing: a mouthpiece having a shape that adequately conforms to the teeth rows, etc., of a user, the mouthpiece having an excellent feel during wearing; and a method for manufacturing the mouthpiece. A mouthpiece for solving the abovementioned problem includes a mouthpiece body part having a hard section, which has a groove for accommodating the teeth rows and/or the gums, and a soft section, which contains a material having a lower bending elasticity than that of the hard section. The proportion of the maximum thickness of the soft section to the minimum thickness of the soft section is 5 or greater.

Abstract: A radiation imaging apparatus includes a pixel array including n pixel rows, where n?3, and a driving circuit configured to scan the pixel array from a first row toward an nth row, counting from one end of the pixel array. In a case where a region of interest is included in a partial region composed of pixel rows from an ith row to a jth row, where 1<i?j<n, the driving circuit starts scanning of the pixel array from the first row, and starts scanning of the pixel array from the first row again during scanning of pixel rows from a (j+1)th row to the nth row.

Abstract: A radiation imaging apparatus comprising a pixel array and a readout circuit is provided. The readout circuit includes an integrating amplifier configured to read out a signal from the pixel, a sample-and-hold circuit configured to sample an output from the integrating amplifier, and an A/D convertor configured to perform analog/digital conversion on an output from the sample-and-hold circuit and output the converted output. The apparatus performs first control and second control in parallel in an accumulation period for accumulating the signal in the pixel array. In the first control, the A/D convertor performs an analog/digital conversion operation, and in the second control, the integrating amplifier outputs a reference potential and the A/D convertor is electrically connected to a node configured to output the reference potential of the integrating amplifier.

Abstract: A radiation imaging apparatus includes a pixel array arranged with a plurality of pixels including conversion units configured to convert radiation into charges and accumulate the charges, a bias line connected to the conversion units of the plurality of pixels, a bias circuit configured to supply a bias potential to the bias line and detect a current flowing in the bias line, a noise reduction circuit configured to reduce, separately from the bias circuit, noise included in the bias potential from the bias circuit, and a switch configured to connect the noise reduction circuit to the bias line.

Abstract: The present invention is a power supply control apparatus that controls pulse discharge occurring in a machining gap in an electric discharge machine. The power supply control apparatus includes: a voltage level detecting device that detects the voltage level of a discharge voltage generated in the machining gap; a voltage level comparator hat compares the voltage level with a voltage level reference value, and outputs a comparison result; and a determining unit that, on the basis of the comparison result, determines whether a discharge pulse is abnormal in a designated one of a plurality of determination modes. The determination method can be designated during machining.

Abstract: A radiation imaging apparatus is provided. The radiation imaging apparatus comprises a plurality of pixels used to acquire a radiation image, and a readout circuit configured to read out a signal from each of the plurality of pixels. Correction image data used for performing offset correction is acquired from the plurality of pixels in an acquisition mode associated with an estimated value of the signal and system noise generated when the readout circuit reads out the signal, the estimated value and the system noise being set according to an imaging mode by a user.

Abstract: An oral appliance may include a first jaw retainer piece, a second jaw retainer piece, a holding member, and a rod. The holding member may be mounted on a front-facing portion of the first jaw retainer piece, and have an opening for receiving a rod. The rod may have a leading end slidably inserted into the opening of the holding member and a trailing end mounted on a front-facing portion of the second jaw retainer piece. The oral appliance may further include a restrictor that restricts sliding of the rod relative to the holding member.

Abstract: A radiation imaging apparatus includes a pixel array arranged with a plurality of pixels including conversion units configured to convert radiation into charges and accumulate the charges, a bias line connected to the conversion units of the plurality of pixels, a bias circuit configured to supply a bias potential to the bias line and detect a current flowing in the bias line, a noise reduction circuit configured to reduce, separately from the bias circuit, noise included in the bias potential from the bias circuit, and a switch configured to connect the noise reduction circuit to the bias line.

Abstract: A radiation imaging apparatus includes a pixel array including n pixel rows, where n?3, and a driving circuit configured to scan the pixel array from a first row toward an nth row, counting from one end of the pixel array. In a case where a region of interest is included in a partial region composed of pixel rows from an ith row to a jth row, where 1<i?j<n, the driving circuit starts scanning of the pixel array from the first row, and starts scanning of the pixel array from the first row again during scanning of pixel rows from a (j+1)th row to the nth row.