Abstract: A display device includes: a display region formed with a notch portion; and a frame region surrounding the display region, wherein the display region includes a first lead wiring line and a second lead wiring line. In a plan view, an extending direction of the first lead wiring line and an extending direction of the second lead wiring line are same. Either one lead wiring line of the first lead wiring line and the second lead wiring line includes a first region a second region.

Abstract: A machine tool includes a headstock for supporting a workpiece spindle to allow the workpiece spindle to rotate and a camera for imaging a tool held in a predetermined area. The camera is fixed to the headstock above the workpiece spindle with an optical axis of the camera inclined with respect to a vertical direction. The machine tool may further include an illumination unit arranged to face the camera. In this case, the area is formed between the camera and the illumination unit. The camera is arranged to be closer to the headstock than the illumination unit is.

Abstract: A machine tool includes a camera fixed to a predetermined imaging area and for imaging a tool inserted into the imaging area, a tool holding portion to which a tool is attachable, and a machining control portion for controlling the tool holding portion in accordance with a machining program and machining a workpiece with the tool. The machining control portion moves the tool toward the imaging area after rotating the tool to image the tool.

Abstract: An image processing device includes: a receiving unit that receives an image of a tool from a camera of a machine tool; a measurement unit that measures a first coordinate, which is a position of a first point on a tool or a tool holding unit that holds the tool, in an image captured when the tool and the camera move a first distance relative to each other and measures a second coordinate, which is a position of a second point on the tool or the tool holding unit, in an image captured when the tool and the camera move a second distance relative to each other; and a tool length calculation unit that calculates the length of the tool based on the first coordinate, the second coordinate, the first distance, and the second distance.

Abstract: The image processing device includes a reception unit that receives an image of a tool from a camera of a machine tool, an area calculation unit that calculates an excess area that is an area of a region corresponding to the tool in the captured image that is at least a predetermined distance away from a tool center, and an inspection unit that judges the suitability of the tool for continuous use based on the size of the excess area.

Abstract: An information processing device to process a two-dimensional image generated by an imaging unit in a machine tool including an attachment unit to which the imaging unit or a tool is attachable, the attachment unit moving to image an image of a workpiece placed in the machine tool, the imaging unit imaging the image of the workpiece at an imaging position, the information processing device including a computation unit for (i) calculating a position of the workpiece based on an image imaged after the imaging unit has moved to a predetermined position based on machine coordinates of the machine tool, and (ii) detecting an edge of the workpiece from the two-dimensional image imaged by the imaging unit at an imaging position after the imaging unit has been moved from the predetermined position to the imaging position, and calculating a length of the workpiece from detected edges.

Abstract: An image processing device includes: an imaging execution unit that captures a first partial image including a part of a tool by a camera, a position specifying unit that specifies a next imaging position on the basis of a partial shape of the tool included in the first partial image, and a position control unit that changes the relative positions of the tool and the camera to the specified imaging position. The imaging execution unit captures a second partial image including a part of the tool at the next imaging position.

Abstract: An image processing device (10) includes: a reception unit (101) configured to receive a plurality of pieces of image data of a tool imaged by an imaging unit attached inside a machine tool that machines a workpiece by using the tool; a point cloud data generating unit (102) configured to generate, from the plurality of pieces of image data received by the reception unit, point cloud data that is profile information relating to a profile of the tool; and a profile image forming unit (103) configured to generate, from the point cloud data, profile image data indicating a two- or three-dimensional profile of the tool.

Abstract: There is a need for technology that enables accurate movement of chips without performing huge image processing. Provided is a display device for displaying an image captured by an imaging unit included in a machine tool. The machine tool includes a liquid ejection unit that ejects a liquid so as to move chips generated from a workpiece and the imaging unit that captures an image inside the machine tool. The display device includes: a display unit that displays the image captured by the imaging unit; a detection unit that detects an input to a predetermined position in the image displayed on the display unit; and a transmission unit that transmits an ejection signal for ejecting a liquid from the liquid ejection unit to a related area inside the machine tool related to the predetermined position, based on a detection signal according to the detection.

Abstract: An image forming apparatus includes a controller and a transfer power supply portion configured to output a transfer voltage to a transfer portion so as to transfer a toner image onto a recording material. The transfer power supply portion superimposes a voltage output from a first power supply portion and a voltage output from a second power supply portion to output a superimposed voltage to the transfer portion. The first power supply portion includes a transformer including a primary coil and a secondary coil, and a rectifier circuit portion. The rectifier circuit portion includes a plurality of diodes and a plurality of capacitors. A capacitance of a predetermined capacitor to be charged by a half-wave rectified voltage of an AC voltage generated in the secondary coil is larger than a capacitance of a capacitor to be charged by a voltage higher than the half-wave rectified voltage.

Abstract: An image forming apparatus includes a controller and a transfer power supply portion configured to output a transfer voltage to a transfer portion so as to transfer the toner image onto the recording material. The transfer power supply portion superimposes a voltage output from a first power supply portion and a voltage output from a second power supply portion to output a superimposed voltage to the transfer portion. The first power supply portion includes a transformer including a primary coil and a secondary coil, and a rectifier circuit portion. The rectifier circuit portion includes a plurality of diodes and a plurality of capacitors. A capacitance of a predetermined capacitor to be charged by a half-wave rectified voltage of an AC voltage generated in the secondary coil is larger than a capacitance of a capacitor to be charged by a voltage higher than the half-wave rectified voltage.

Abstract: To contribute to improved usability, an image measurement method includes selectably displaying geometric shape-related information in a measurement target, selectably displaying a measurement candidate of the measurement target based on a geometric shape corresponding to the selected geometric shape-related information (S38), and outputting a calculation result of the selected measurement candidate.

Abstract: To contribute to improved usability, an image measurement method includes selectably displaying geometric shape-related information in a measurement target, selectably displaying a measurement candidate of the measurement target based on a geometric shape corresponding to the selected geometric shape-related information (S38), and outputting a calculation result of the selected measurement candidate.

Abstract: A power supply apparatus including a transformer, a first rectifier smoothing unit, a separation unit, a second rectifier smoothing unit, a resistor, and a rectifier unit. The first rectifier smoothing unit is configured to rectify and smooth an alternating-current voltage generated in a secondary coil of the transformer. The separation unit configured to use the alternating-current voltage generated in the secondary coil of the transformer as an input and generate an alternating-current voltage, from which alternating-current components are separated, as an output. The second rectifier smoothing unit is configured to rectify and smooth the output of the separation unit. The resistor is connected to a line branched from a line that connects the separation unit to the second rectifier smoothing unit. The rectifier unit is connected in series between the resistor and a reference potential.

Abstract: An image forming apparatus including: a charging member configured to charge a photosensitive member at a charging portion by a charging voltage in which an alternate-current voltage is superimposed on a direct-current voltage; a transfer member configured to transfer a toner image formed on the photosensitive member to a recording material at a transfer portion; and a controller configured to control the charging voltage, a predetermined area of the photosensitive member passing through the transfer portion during a trailing edge of the recording material passing through the transfer portion, wherein the controller controls a value of a peak-to-peak voltage of the alternate-current voltage when the predetermined area passes through the charging portion to be larger than a value of a peak-to-peak voltage when an area that becomes the image area other than the predetermined area passes through the charging portion.

Abstract: To contribute to improved usability, an image measurement method includes selectably displaying geometric shape-related information in a measurement target, selectably displaying a measurement candidate of the measurement target based on a geometric shape corresponding to the selected geometric shape-related information (S38), and outputting a calculation result of the selected measurement candidate.

Abstract: A power supply apparatus including a transformer, a first rectifier smoothing unit, a separation unit, a second rectifier smoothing unit, a resistor, and a rectifier unit. The first rectifier smoothing unit is configured to rectify and smooth an alternating-current voltage generated in a secondary coil of the transformer. The separation unit configured to use the alternating-current voltage generated in the secondary coil of the transformer as an input and generate an alternating-current voltage, from which alternating-current components are separated, as an output. The second rectifier smoothing unit is configured to rectify and smooth the output of the separation unit. The resistor is connected to a line branched from a line that connects the separation unit to the second rectifier smoothing unit. The rectifier unit is connected in series between the resistor and a reference potential.

Abstract: An image forming apparatus including: a charging member configured to charge a photosensitive member at a charging portion by a charging voltage in which an alternate-current voltage is superimposed on a direct-current voltage; a transfer member configured to transfer a toner image formed on the photosensitive member to a recording material at a transfer portion; and a controller configured to control the charging voltage, a predetermined area of the photosensitive member passing through the transfer portion during a trailing edge of the recording material passing through the transfer portion, wherein the controller controls a value of a peak-to-peak voltage of the alternate-current voltage when the predetermined area passes through the charging portion to be larger than a value of a peak-to-peak voltage when an area that becomes the image area other than the predetermined area passes through the charging portion.

Abstract: A power supply device includes first and second transformers, a first power source configured to output a first DC voltage from the first transformer, a second power source configured to output a second DC voltage from the second transformer, a first winding on a primary side of the first transformer, an auxiliary winding which is wound in the same winding direction as the first winding, and a voltage generator configured to be connected to the auxiliary winding and to generate a power supply voltage for driving a first controller of the first power source and a second controller of the second power source. When an AC voltage drops, control is performed such that the second controller stops prior to the first controller.

Abstract: A power supply device includes first and second transformers, a first power source configured to output a first DC voltage from the first transformer, a second power source configured to output a second DC voltage from the second transformer, a first winding on a primary side of the first transformer, an auxiliary winding which is wound in the same winding direction as the first winding, and a voltage generator configured to be connected to the auxiliary winding and to generate a power supply voltage for driving a first controller of the first power source and a second controller of the second power source. When an AC voltage drops, control is performed such that the second controller stops prior to the first controller.