Abstract: A measuring device 1 according to the present disclosure measures a state of a solution L. The measuring device 1 includes a measuring unit 10 that outputs a measurement signal associated with the state of the solution L, a protection unit 20 attached to the measuring unit 10, and a controller 40 that obtains the information on the state of the solution L on the basis of a measurement signal output from the measuring unit 10. The measuring unit 10 has a first part P1 in a usable state that contributes to output of the measurement signal by coming into contact with the solution L, and a second part that is isolated from the solution L by the protection unit 20 and is in a standby state for measurement.

Abstract: A printing apparatus for printing using a printhead including a plurality of nozzles, each configured to discharge ink, and a plurality of sensors, corresponding to the plurality of nozzles, for detecting a discharge state of ink from the plurality of nozzles, judges a discharge state. The apparatus prints, based on print data, an image by driving the printhead under a first drive condition to discharge the ink from the printhead to a first area, discharges ink to a second area different from the first area by driving the printhead, based on inspection data, under a second drive condition different from the first drive condition, and judges a discharge state of each nozzle by monitoring an output from each sensor at a timing of driving the printhead under the second drive condition.

Abstract: A dot count value, which is the number of times ink is ejected during printing performed by a printing unit, and a printing time period are obtained, and, in a case where a dot count value per unit time based on the dot count value and the printing time period is equal to or smaller than a predetermined value, a count value, which is an accumulated value, is updated to a value to which the dot count value is added, in order to control the execution of a recovery operation based on the updated count value and the threshold value, and, in a case where the dot count value per unit time is larger than the predetermined value, the execution of the recovery operation is controlled based on the count value and the threshold value without adding the dot count value to the count value.

Abstract: An object of the present disclosure is to avoid degradation of image quality. An embodiment of the present invention is a printing apparatus including: a print head; a detection unit configured to detect an edge region and a non-edge region of an object in image data; and a tone correction unit configured to adjust an application amount of a printing agent for a unit region based on whether the unit region is the edge region or the non-edge region, in which the printing apparatus is capable of performing printing in a first printing mode or a second printing mode, in the first printing mode, an input resolution of the image data is lower than a printing resolution of the print head, in the second printing mode, the input resolution of the image data is higher than or equal to the printing resolution of the print head.

Abstract: A printing apparatus includes a printhead having a plurality of chips each including a plurality of nozzle arrays which are arranged in a predetermined nozzle array direction and each of which is formed from a plurality of nozzles and energy generation elements provided in correspondence with the nozzles of each nozzle array and each configured to generate energy used for discharging ink. The apparatus relatively moves the printhead and a print medium in a direction intersecting the nozzle array direction, reads a predetermined test pattern printed on the print medium by driving the printhead, analyzes the read test pattern, calculates a slant of the printhead with respect to a reference based on a result of the analysis, and corrects the calculated slant of the printhead by moving the printhead.

Abstract: An ink jet recording apparatus includes a cap, a control unit, and a recording unit having nozzle arrays each including a plurality of nozzles for ejecting ink in an image recording operation. The cap receives ink preliminarily ejected from the recording unit. The control unit controls an ejection operation to eject ink in response to receiving a recording command to cause an amount of ink ejected from a first nozzle group in a first preliminary ejection executed prior to the recording operation of the image to be smaller than an amount of ink ejected from a second nozzle group different from the first nozzle group in a second preliminary ejection executed prior to the recording operation of the image in a case where the recording command includes an instruction for recording the image by using the second nozzle group without using the first nozzle group among the plurality of nozzles.

Abstract: An inkjet printing apparatus includes a print head including a plurality of nozzles, a cap, and a storing unit, and a control unit. The control unit controls the print head to start and perform an intra-standby preliminary discharge operation where a preliminary discharge operation to discharge ink into a cap is performed at predetermined time intervals during a standby period after the print head finishes a printing operation to print an image, continue the intra-standby preliminary discharge operation if an accumulated value of an amount of ink stored in a storing unit during the preliminary discharge operation is not greater than a threshold value, stop the intra-standby preliminary discharge operation if the stored accumulated value of the amount of ink is greater than the threshold value, and bring the print head into contact with the cap and terminating the standby period if the standby period exceeds a predetermined time period.

Abstract: The amount of ink in a cap at the time of end of printing initiated by a print command is estimated, and it is determined whether an open suction action is to be performed based on the estimated post-printing ink amount to prevent spillover of the ink and reduce downtime due to the open suction action.

Abstract: A printing apparatus includes a printhead having a plurality of chips, each including a plurality of nozzle arrays which are arranged in a predetermined nozzle array direction and each of which is formed from a plurality of nozzles and energy generation elements provided in correspondence with the nozzles of each nozzle array and each configured to generate energy used for discharging ink. The apparatus relatively moves the printhead and a print medium in a direction intersecting the nozzle array direction, reads a predetermined test pattern printed on the print medium by driving the printhead, analyzes the read test pattern, calculates a slant of the printhead with respect to a reference based on a result of the analysis, and corrects the calculated slant of the printhead by moving the printhead.

Abstract: A recording apparatus includes an ink tank, a carriage, a recording head mounted on the carriage, a carriage control unit, and a supply tube connected to the recording head and the ink tank and including a bent portion that moves with carriage movement. The carriage control unit moves the carriage in predetermined directions to record on a recording medium. Assuming that, of an acceleration/deceleration area of a carriage moving area, an area in which pressure changes to decrease negative pressure in the recording head is a first area, and an area in which the pressure changes to increase the negative pressure in the recording head is a second area, the carriage control unit moves the carriage so that an absolute value of acceleration or deceleration of the carriage in the first area is less than an absolute value of acceleration or deceleration of the carriage in the second area.

Abstract: A bold process is performed on the number of consecutive pixels to which colored ink is applied and a number of pixels (the number is an odd number of 1 or more). In this way, the application locations of the functional ink can be set with a resolution higher than that of the colored ink.

Abstract: A printing apparatus prints by discharging ink to a transfer member from a first printhead, discharging a transfer accelerator to the ink from a second printhead, and transferring an image formed on the transfer member to a print medium. When inspecting a discharge state of each of plural nozzles provided in each of the first and second printheads, the apparatus controls the second printhead so as to discharge the transfer accelerator from at least one nozzle of the second printhead to a discharge area of the transfer member to which the ink is discharged by the first printhead for inspection of the discharge states of the plural nozzles of the first printhead, while inspecting a discharge state of a nozzle different from the at least one nozzle of the second printhead by discharging the transfer accelerator from the nozzle.

Abstract: A signal processing device according to the present invention is a signal processing device that processes data of a detected ultrasound waveform representing a temporal change in the intensity of ultrasound generated at a measurement position in a specimen and includes: a comparison unit that compares a predetermined standard ultrasound waveform and the detected ultrasound waveform at the measurement position and that calculates a degree of similarity between the predetermined standard ultrasound waveform and the detected ultrasound waveform; and a discrimination unit for discriminating whether or not the measurement position corresponds to a predetermined examination subject on the basis of the degree of similarity.

Abstract: A printing apparatus prints by discharging ink to a transfer member from a first printhead, discharging a transfer accelerator to the ink from a second printhead, and transferring an image formed on the transfer member to a print medium. When inspecting a discharge state of each of plural nozzles provided in each of the first and second printheads, the apparatus controls the second printhead so as to discharge the transfer accelerator from at least one nozzle of the second printhead to a discharge area of the transfer member to which the ink is discharged by the first printhead for inspection of the discharge states of the plural nozzles of the first printhead, while inspecting a discharge state of a nozzle different from the at least one nozzle of the second printhead by discharging the transfer accelerator from the nozzle.

Abstract: A printing apparatus for printing using a printhead including a plurality of nozzles each configured to discharge ink and a plurality of sensors, corresponding to the plurality of nozzles, for detecting a discharge state of ink from the plurality of nozzles, judges a discharge state. More specifically, the apparatus prints, based on print data, an image by driving the printhead under a first drive condition to discharge the ink from the printhead to a first area, discharges ink to a second area different from the first area by driving the printhead, based on inspection data, under a second drive condition different from the first drive condition, and judges a discharge state of each nozzle by monitoring an output from each sensor at a timing of driving the printhead under the second drive condition.

Abstract: A methacrylic resin excellent in moldability, solvent resistance, mechanical properties and heat resistance is provided. A method for producing a methacrylic resin excellent in productivity is provided. A methacrylic resin having 99.1% by mass or more and 99.9% by mass or less of a repeating unit derived from methyl methacrylate, 0.1% by mass or more and 0.9% by mass or less of a repeating unit derived from alkyl acrylate, and a proportion of the molecular weight component of ? or less of the peak molecular weight Mph in the high molecular weight region side obtained from an elution curve by a gel permeation chromatography of the methacrylic resin is 7% or more and 40% or less.

Abstract: A photoacoustic imaging device includes an excitation light irradiation unit that irradiates the same position of a specimen with two or more beams of pulsed excitation light separated by an irradiation time interval, a detector that detects an acoustic wave generated at the position irradiated with the excitation light by the excitation light irradiation unit, a generator that generates an image of the specimen based on the detected acoustic wave, and a controller that controls the irradiation time interval, the acoustic wave generated with a single beam of pulsed excitation light has multiple positive peaks that periodically occur, and the controller controls the irradiation time interval into a timing at which a second positive peak of the acoustic wave generated with the preceding excitation light is superimposed on a first positive peak of the acoustic wave generated with the subsequent excitation light.

Abstract: A photoacoustic imaging device includes an irradiator irradiating a specimen with excitation light, a detection unit detecting an acoustic wave at an irradiated position, a propagation body including a bag-shaped body including a film deforming in conformity with a surface shape of the specimen, an interior of the bag-shaped body being filled with an acoustic wave propagation medium, and a processor including hardware and configured to generate an image based on the detected acoustic wave, wherein the propagation body is disposed between the detection unit and the specimen, without interposing any air layers, and moves along with relative movement of the detection unit and the specimen, the detection unit includes an optics collecting the acoustic wave, the propagation body is attached to the optics, and a difference of refractive indexes between the optics and the propagation body is smaller than a difference of refractive indexes between the optics and air.

Abstract: A printing apparatus includes a printhead having a plurality of chips, each including a plurality of nozzle arrays which are arranged in a predetermined nozzle array direction and each of which is formed from a plurality of nozzles and energy generation elements provided in correspondence with the nozzles of each nozzle array and each configured to generate energy used for discharging ink. The apparatus relatively moves the printhead and a print medium in a direction intersecting the nozzle array direction, reads a predetermined test pattern printed on the print medium by driving the printhead, analyzes the read test pattern, calculates a slant of the printhead with respect to a reference based on a result of the analysis, and corrects the calculated slant of the printhead by moving the printhead.

Abstract: A printing apparatus for printing using a printhead including a plurality of nozzles, each configured to discharge ink, and a plurality of sensors, corresponding to the plurality of nozzles, for detecting a discharge state of ink from the plurality of nozzles, judges a discharge state. The apparatus prints, based on print data, an image by driving the printhead under a first drive condition to discharge the ink from the printhead to a first area, discharges ink to a second area different from the first area by driving the printhead, based on inspection data, under a second drive condition different from the first drive condition, and judges a discharge state of each nozzle by monitoring an output from each sensor at a timing of driving the printhead under the second drive condition.