Abstract: A dose adjustment mechanism is to reduce an influence of radiation in the dose adjustment mechanism of a radiation therapy apparatus and to prevent occurrence of a failure. A dose adjustment mechanism 40 includes an actuator 42 disposed apart from a radiation axis irradiated with radiation by a radiation therapy apparatus 10, and a flattening filter 33 which is an interference element that moves in a direction perpendicular to the radiation axis by an operation of the actuator 42 and that is capable of switching between a state in which the interference element is disposed on an axis of the radiation axis and a state in which the interference element is not disposed on the axis of the radiation axis. An operation shaft of the actuator 42 does not intersect the radiation axis.

Abstract: Highly accurate inclination control of a bed for a radiotherapy device is implemented by a simple operation. The bed has a tilting unit configured to change an inclination of the bed's top plate and includes a first bearing pivotally supporting first (lower) and second (upper) flat plate members while maintaining a distance therebetween. A movement unit moves a first guide member, a second guide member, and a connection member connecting a second bearing and the second flat plate member, the second bearing being configured to move the second guide member. A biasing unit is configured to selectively bias the first flat plate member and the second flat plate member with the first bearing as a rotation axis to cause an angle formed by the first flat plate member and the second flat plate member to be in a specific direction.

Abstract: An Xray imaging apparatus is provided with an X-ray source, an X-ray detector, an arm, an arm driving mechanism, an X-ray detector moving mechanism, a model acquisition unit for acquiring a subject model of a surface shape of the subject, and a controller configured to select a target position where a distance of the X-ray detector to a surface of the subject model is shorter, out of a first target position set based on a position of the subject model and a preset second target position and perform a control to move the X-ray detector toward the selected target position.

Abstract: A position estimator outputs, by inputting information obtained from the frame images into a trained model, positional information of a plurality of parts of a human body from the trained model. A determination processor outputs information on erroneous detection by the position estimator. The position estimator outputs a first position group in response to an input of an obtained first frame image, the first frame image being obtained by the receiver and outputs a second position group in response to an input of an obtained second frame image different from the first frame image, the second frame image being obtained by the receiver. The determination processor outputs the information on erroneous detection by the position estimator based on a degree of difference between the first position group and the second position group and a degree of matching between the first frame image and the second frame image.

Abstract: An X-ray X-ray imaging apparatus (100) according to this invention includes a first arm (1); a second arm (2); an imaging angle specifier (4) for setting a target imaging angle(s) of a first X-ray source (1a) and a target imaging angle(s) of a second X-ray source (2a); and a display (3), wherein the display (3) is configured to display an arrangement screen (8) representing arrangements corresponding to positions of both the first X-ray source (1a) and the second X-ray source (2a) at the target imaging angles with respect to an actual position of a subject (101), and the imaging angle specifier (4) and the display (3) are arranged in a common arrangement area (103) of an X-ray imaging apparatus main body (100a).

Abstract: A portable terminal has a thermal head. The portable terminal includes a first sensor unit configured to detect presence or absence of a sheet, a second sensor unit configured to detect information related to a mark provided on the sheet, and a sheet determination unit configured to determine a kind of the sheet. The sheet determination unit is configured to determine a kind of the sheet based on a result of detecting information related to the mark with use of the second sensor unit after the sheet is conveyed in a reverse direction with respect to a direction of discharging the sheet.

Abstract: Provided is a non-contact sleep state measurement system 100 capable of accurately measuring a sleep state regardless of age, disease, or the like of a subject. The sleep state measurement system includes: a frame image acquisition unit that acquires frame images including a subject P during sleep in time series; a difference information calculation unit that calculates difference information that is information indicating a difference between two frame images at different times; a subject attribute information acquisition unit that acquires subject attribute information that is information indicating an attribute of the subject; and a sleep state related information calculation unit that calculates sleep state related information that is information related to a sleep state of the subject using the difference information or secondary information obtained therefrom as an explanatory variable according to the subject attribute information.

Abstract: A defect inspection apparatus (100) is configured to approximate a difference value or an absolute value (I?) of the difference value between a pixel value in at least three captured images (A) captured by an imager in at least three different phases of an elastic wave and a pixel value in a reference image (Aave) separate from the captured images (A) so as to acquire an approximate value for defect inspection corresponding to an amount of change in the pixel value in the captured images (A).

Abstract: An X-ray imaging apparatus reduces waiting time and smoothly performs position alignment with a target region. The X-ray imaging apparatus has a C-arm that supports an X-ray tube and an X-ray detector; a turning mechanism that turns the C-arm around the vertical axis AX2; a table on which a subject M is loaded; a console; and a control element, wherein the control element runs the turning mechanism to turn the C-arm in the direction toward the preset target angle when the console provides the input power to perform the relative move of the table relative to the C-arm.

Abstract: A testing method for a joined body, in which a second pipe member having an outer diameter smaller than that of a first pipe member having at least one through hole is inserted into the first pipe member and the second pipe member is expanded to form a joining portion, the testing method includes: applying an elastic wave vibration to the joined body of the first pipe member and the second pipe member, for plural visual field regions at different positions in a circumferential direction of the joined body, acquiring a vibration distribution of the second pipe member measured through the through hole and a vibration distribution of the first pipe member in a visual field region including the joining portion of the first pipe member and the second pipe member, which are measured optically and in a batch, and determining quality of joining in the entire joining portion based on the acquired vibration distributions.

Abstract: A method of measuring biological information according to the present disclosure is a measurement method of measuring biological information from a frame image group obtained by imaging over time of a subject. The method of measuring biological information according to the present disclosure divides a target region in each frame image included in the frame image group into a plurality of sub regions and extracts an amount of variation in each of the plurality of sub regions from the frame image group. The method of measuring biological information then determines sub regions similar in amount of variation from among the plurality of sub regions and obtains the biological information of the subject based on a summed value of the amount of variation in each of the similar sub regions.

Abstract: A thermal printer control device for controlling a thermal printer which includes a thermal head and which is configured to perform printing on a sheet having a mark arranged thereon. The thermal printer control device includes: a sensor value acquisition module configured to acquire a sensor value detected by a sensor configured to detect an intensity of reflected light obtained when light is irradiated on the sheet; a threshold value calculation module configured to calculate a threshold value for detecting a presence or absence of the mark based on the sensor value acquired by the sensor value acquisition module; and a determination module configured to determine the presence or absence of the mark based on a result of comparing the sensor value acquired by the sensor value acquisition module and the threshold value calculated by the threshold value calculation module.

Abstract: A printing apparatus includes: a user-setting-value acquiring unit configured to acquire a user setting value indicating a remaining amount of paper on a paper roll, the user setting value being set by a user; a first detection unit configured to detect that a physical quantity correlated with a remaining amount of paper on the paper roll has become equal to a first threshold value; a second detection unit configured to detect that the remaining amount of paper on the paper roll has become equal to a second threshold value; a post-detection length acquiring unit configured to acquire a post-detection length being a length of paper used from the paper roll from a time when it is detected that the physical quantity has become equal to the first threshold value until the remaining amount of paper on the paper roll becomes equal to the second threshold value; and a notification unit configured to notify that, when a new paper roll is used and a length of paper used from the new paper roll from a time when it is d

Abstract: A defect inspection device (100) includes an excitation unit that excites an elastic wave, an irradiation unit (2) that applies laser lights, a measurement unit (3) that measures the interfered laser lights, and a control unit that acquires vibration state information which is information about a state of the elastic wave excited in an inspection target (P) for a plurality of frequencies by changing a frequency of excitation vibration caused by the excitation unit in order to excite the elastic wave in the inspection target (P), and extracts recommended frequencies (F) recommended for inspecting a defect of the inspection target (P) from among the plurality of frequencies based on the acquired vibration state information for the plurality of frequencies.

Abstract: An object of the invention is to obtain a position of each leaf with high accuracy by a configuration that is easy to be manufactured in a multileaf collimator. The multileaf collimator includes a plurality of leaves, and a reflection surface that reflects light emitted from a light source is formed on a peripheral end surface, other than a collimated end surface a, among surrounding end surfaces of the leaf. The peripheral end surface includes a longitudinal end surface d opposite to the collimated end surface a, and an upper lateral end surface b extending from one end of the longitudinal end surface d toward the collimated end surface a. The reflection surface may be a region where the peripheral end surface is subjected to reflection processing.

Abstract: In this X-ray fluoroscopic imaging apparatus, a control unit includes a first determination unit for determining whether or not X-ray imaging has been performed and is configured to perform control to switch to the target position to the next target position when it is determined by a first determination unit that X-ray imaging has been performed.

Abstract: An Xray imaging apparatus is provided with an X-ray source, an X-ray detector, an arm, an arm driving mechanism, an X-ray detector moving mechanism, a model acquisition unit for acquiring a subject model of a surface shape of the subject, and a controller configured to select a target position where a distance of the X-ray detector to a surface of the subject model is shorter, out of a first target position set based on a position of the subject model and a preset second target position and perform a control to move the X-ray detector toward the selected target position.

Abstract: A portable terminal has a thermal head. The portable terminal includes a first sensor unit configured to detect presence or absence of a sheet, a second sensor unit configured to detect information related to a mark provided on the sheet, and a sheet determination unit configured to determine a kind of the sheet. The sheet determination unit is configured to determine a kind of the sheet based on a result of detecting information related to the mark with use of the second sensor unit after the sheet is conveyed in a reverse direction with respect to a direction of discharging the sheet.

Abstract: The method for examining a clinched portion of a tubular body includes the steps of: giving an elastic vibration to a clinched body 90 formed by clinching a tubular body 91 with a clinch-target member 92; and acquiring, for each of a plurality of view areas 95 which differ from each other in the position in the circumferential direction of the tubular body 91, a vibration distribution optically and simultaneously measured within the view area 95 including a clinched portion 93 of the tubular body 91 and the clinch-target member 92, to determine whether or not the state of clinching is satisfactory over the entire clinched portion 93.