Abstract: A frame body for a redox flow battery is provided with a window. The expressions A>C, B>D, and (B/A)?0.2 are satisfied, where A represents the length of a long side of a rectangle that envelops the window, B represents the width of a horizontal frame corresponding to the long side, C represents the length of a short side of the rectangle, and D represents the width of a vertical frame corresponding to the short side.

Abstract: Provided are a redox flow battery having a low internal resistance, an electrode used in a redox flow battery, and an electrode characteristic evaluation method with which a characteristic of an electrode can be simply and accurately evaluated. The redox flow battery includes at least one pair of electrodes in a stacked manner, the electrodes including a positive electrode and a negative electrode to which an electrolyte is supplied and in which a battery reaction is performed.

Abstract: A motor connection detecting device includes: a bipolar stepping motor; a motor driver adapted to control current to be supplied to the bipolar stepping motor; and a controller connected to the bipolar stepping motor and the motor driver. The controller detects voltage of regenerative current generated during motor ON time in which current flows in the bipolar stepping motor, and determines abnormal connection of the bipolar stepping motor. The detected voltage is voltage generated during a fast decay period according to a current attenuation method of the regenerative current.

Abstract: A cell frame for a redox flow battery comprises: a bipolar plate; and a frame body provided at an outer periphery of the bipolar plate, the frame body including a manifold which penetrates through front and back surfaces of the frame body and through which an electrolyte flows, and at least one slit being formed on the front surface of the frame body and forming a channel of the electrolyte between the manifold and the bipolar plate, a cross sectional shape of the slit, in a longitudinal direction of the slit, having a width w and a depth h, the width w and the depth h satisfying (A) w?3 mm and (B) 1/8<h/w<1.

Abstract: A light source control device, includes circuitry to: apply a threshold current, a first emission current, and a first correction current to a light source to drive the light source to emit light to form a first pixel, and apply the threshold current, a second emission current, and a second correction current to the light source to drive the light source to emit light to form a second pixel, wherein the circuitry calculates a value of the second correction current by multiplying a value of the first correction current by a ratio of a value of the second emission current to a value of the first emission current, the value of the second emission current being greater than the value of the first emission current.

Abstract: A remaining powder amount detection device includes: a powder moving portion configured to change a distribution of powder in an inner space of a powder container containing the powder; a drive unit configured to drive the powder moving portion; a change value detector configured to detect a change value indicating a positional change of the powder container; and a remaining powder amount detector configured to detect a remaining amount of the powder contained in the powder container, based on the change value. The drive unit is configured to drive the powder moving portion so as to move the powder to near the change value detector. The remaining powder amount detector is configured to detect the remaining amount based on the change value in a state where the powder is moved to near the change value detector.

Abstract: An image forming apparatus includes: an image processor configured to perform first image processing on image data having a first resolution and to add tag data to a target pixel where second image processing is to be performed; a resolution converter configured to convert the image data into image data having a second resolution higher than the first resolution, and to perform the second image processing based on arrangement of the image data having the first resolution and the tag data; a pulse generator configured to generate an on-off modulation signal and an application-current switching signal in accordance with the image data having undergone the second image processing; and a light source driver configured to drive the light source in accordance with a current setting value output from an application current setter depending on the application-current switching signal and the on-off modulation signal.

Abstract: A water content measuring device measures water content of an object to be measured. The water content measuring device includes two plate members that are disposed facing each other, a current generating unit, a measuring unit, and an arithmetic processing unit. The current generating unit generates current supplied between the two plate members. The measuring unit measures electrostatic capacitance generated by the current supplied between the two plate members. The arithmetic processing unit is configured to convert the electrostatic capacitance measured by the measuring unit to water content. Two plate members each have a shape or are disposed such that at least two points on a leading edge of the object enter between the two plate members at different timings in a direction perpendicular to a passing direction in which the object passes through the two plate members.

Abstract: A bipolar plate for a battery has two surfaces on which a positive electrode and a negative electrode are to be disposed respectively. At least one of the surfaces of the bipolar plate is provided with a plurality of groove sections through which an electrolyte flows and a ridge section located between the groove sections that are adjacent to each other. The groove sections include an introduction groove section and a discharge groove section that are not in communication with each other. The ridge section includes an uneven portion configured to suppress sliding of the positive electrode or the negative electrode in a direction in which the adjacent groove sections are arranged in parallel. The uneven portion includes a rough surface provided on at least a part of a surface of the ridge section and having an arithmetical mean roughness Ra of 0.1 ?m to 10 ?m inclusive.

Abstract: An image processing apparatus includes: a first inverter to output binary image data having first resolution, as image data having pixel values that are inverted or image data having unprocessed pixel values, in accordance with an inversion signal; a thinning processor to convert the image data output from the first inverter from the first resolution to second resolution and perform a thinning process of thinning pixels of edge portions of the image data in units of the second resolution; and a second inverter to output the image data having the second resolution for which the thinning process is performed, as image data having pixel values that are inverted or image data having unprocessed pixel values, in accordance with the inversion signal.

Abstract: A frame body that is a part of a flat cell frame for a cell stack of a redox flow battery, and that supports, on an outer peripheral side of a bipolar plate of the cell frame, the bipolar plate, the frame body including a frame-facing surface that is to face, when a plurality of the cell frames are stacked, a frame body of another cell frame that is adjacent to the cell frame in a stacking direction, wherein the frame-facing surface has a surface roughness Ra of 0.03 ?m or more and 3.2 ?m or less.

Abstract: A thickness detector includes a rotator having different shape marks, disposed at different positions in a rotation direction; an opposing member disposed opposite the rotator; a detector to detect and output a displacement amount of the rotator or the opposing member in a sheet thickness direction; and a controller. The controller is configured to acquire first output values for one rotation from the detector, in a state without sheet; determine, based on a value output from the detector, whether one of the plurality of marks is detected in a state with the sheet held; acquire a predetermined number of second output values after one of the marks is detected; extract, from the first output values, values corresponding to the second output values, based on the value corresponding to the detected mark; and calculate a sheet thickness based on the second output values and the extracted first output values.

Abstract: A bipolar plate is a bipolar plate for a battery, the bipolar plate having a positive electrode disposed on a first surface side thereof and a negative electrode disposed on a second surface side thereof, wherein at least one of the first surface and the second surface is provided with a flow path through which an electrolyte flows. The flow path includes an introduction port for the electrolyte, a discharge port for the electrolyte, and a groove section which is located between the introduction port and the discharge port and guides the electrolyte to a predetermined route. The groove section includes a plurality of vertical groove sections which extend in a vertical direction and are arranged in parallel in a direction orthogonal to the vertical direction when the bipolar plate is placed at a predetermined position in the battery.

Abstract: An image forming apparatus includes a photoconductor, a light source, and circuitry that receives: first image data including first pixels each indicating image density or one of turning on and off the light source; and tag data indicating an attribute of each first pixels. The circuitry sets specific data to identify a first target pixel subjected to change out of the first pixels, converts the first image data into second image data having a higher resolution than that of the first image data, and controls the light source according to the second image data to form an image. In conversion, the circuitry identifies a second target pixel corresponding to the first target pixel out of second pixels of the second image data according to the specific data and the tag data, and changes the second target pixel into a pixel to turn on the light source.

Abstract: An image forming apparatus includes an image processor, a converter, a light source driver, an identifying unit, and a pattern generator. The image processor generates image data of first resolution and generates tag information indicating whether to perform image processing and associated with pixels of the image data of first resolution. The converter converts the image data of first resolution to image data of a higher second resolution. The light source driver drives a light source using a modulation signal corresponding to the image data of second resolution. The identifying unit identifies a target pixel to be subjected to image processing in the image data of first resolution based on the tag information. The pattern generator generates an image-processed pixel pattern of the second resolution according to the target pixel. The converter converts the target pixel in the image data of first resolution to the generated image-processed pixel pattern.

Abstract: A light source drive control device includes: an image data generating part that generates line-thinned image data having been subjected to line thinning processing for thinning an edge pixel in image data by a first pixel width; an intensity information generating part that generates intensity information including a first intensity at which a pixel not included in a set second pixel width of an edge in the line-thinned image data is exposed and a second intensity at which a pixel included in the second pixel width is exposed and which is higher than the first intensity; and a light source driving part that drives a light source based on a light source modulation signal generated according to the line-thinned image data and a drive current data switched based on a drive current switching signal generated based on the intensity information.

Abstract: A frame body for a redox flow battery is provided with a window. The expressions A>C, B>D, and (B/A)?0.2 are satisfied, where A represents the length of a long side of a rectangle that envelops the window, B represents the width of a horizontal frame corresponding to the long side, C represents the length of a short side of the rectangle, and D represents the width of a vertical frame corresponding to the short side.

Abstract: An image processing device includes circuitry to: acquire an image matrix including a target pixel from first image data having a first resolution; determine whether one or more detection patterns match the image matrix; and perform edge enhancement on the target pixel and convert the first resolution into a second resolution to convert the target pixel into second image data, if the image matrix matches any of the one or more detection patterns. The first image data includes a plurality of pixels each including first and second pixel values respectively indicating image information and whether each of the plurality of pixels is an area where a specific object is drawn. The one or more detection patterns, each including a plurality of pixels each including the first and second pixel values, are patterns to detect a pixel forming an edge portion where the first and second pixel values vary between pixels.

Abstract: An image forming apparatus includes a photoconductor, a light source, and circuitry that receives: first image data including first pixels each indicating image density or one of turning on and off the light source; and tag data indicating an attribute of each first pixels. The circuitry sets specific data to identify a first target pixel subjected to change out of the first pixels, converts the first image data into second image data having a higher resolution than that of the first image data, and controls the light source according to the second image data to form an image. In conversion, the circuitry identifies a second target pixel corresponding to the first target pixel out of second pixels of the second image data according to the specific data and the tag data, and changes the second target pixel into a pixel to turn on the light source.

Abstract: An image processing apparatus includes: a first inverter to output binary image data having first resolution, as image data having pixel values that are inverted or image data having unprocessed pixel values, in accordance with an inversion signal; a thinning processor to convert the image data output from the first inverter from the first resolution to second resolution and perform a thinning process of thinning pixels of edge portions of the image data in units of the second resolution; and a second inverter to output the image data having the second resolution for which the thinning process is performed, as image data having pixel values that are inverted or image data having unprocessed pixel values, in accordance with the inversion signal.