Abstract: A decurling device includes a decurler. The decurler includes a first dryer roller, a second dryer roller, and a heat source. The heat source is disposed at the first dryer roller to heat the first dryer roller. The first dryer roller and the second dryer roller rotate while holding a sheet therebetween to convey the sheet.

Abstract: A water-based cleaning liquid for inkjet recording apparatus use contains at least 0.10% by mass and no greater than 10.00% by mass of a nonionic surfactant, at least 0.50% by mass and no greater than 30.00% by mass of a deliquescent agent, and a pH adjuster. The nonionic surfactant contains polyoxyalkylene alkylamine. The deliquescent agent includes at least one of sorbitol, trimethylolpropane, and 1,3-bis(2-hydroxyethyl)-5,5-dimethylhydantoin. The pH adjuster includes an alkali metal salt. The water-based cleaning liquid for inkjet recording apparatus use has a pH of at least 7.5 and no greater than 8.5.

Abstract: An ink set includes a water-based ink and a water-based cleaning liquid. The water-based ink and the water-based cleaning liquid each contain at least 1.0% by mass and no greater than 4.0% by mass of a deliquescent agent. The water-based cleaning liquid further contains a nonionic surfactant and a diol. The deliquescent agent that the water-based ink contains and the deliquescent agent that the water-based cleaning liquid contains each include at least one of sorbitol, trimethylolpropane, and 1,3-bis(2-hydroxyethyl)-5,5-dimethylhydantoin. The nonionic surfactant has an HLB value determined by Griffin method of at least 14 and no greater than 16. The diol includes at least one of triethylene glycol and 1,3-propanediol.

Abstract: A water-based cleaning liquid for inkjet recording apparatus use contains at least 0.10% by mass and no greater than 10.00% by mass of a nonionic surfactant, at least 0.50% by mass and no greater than 30.00% by mass of a deliquescent agent, and a pH adjuster. The nonionic surfactant contains polyoxyalkylene alkylamine. The deliquescent agent includes at least one of sorbitol, trimethylolpropane, and 1,3-bis(2-hydroxyethyl)-5,5-dimethylhydantoin. The pH adjuster includes an alkali metal salt. The water-based cleaning liquid for inkjet recording apparatus use has a pH of at least 7.5 and no greater than 8.5.

Abstract: An ink set includes a water-based ink and a water-based cleaning liquid. The water-based ink and the water-based cleaning liquid each contain at least 1.0% by mass and no greater than 4.0% by mass of a deliquescent agent. The water-based cleaning liquid further contains a nonionic surfactant and a diol. The deliquescent agent that the water-based ink contains and the deliquescent agent that the water-based cleaning liquid contains each include at least one of sorbitol, trimethylolpropane, and 1,3-bis(2-hydroxyethyl)-5,5-dimethylhydantoin. The nonionic surfactant has an HLB value determined by Griffin method of at least 14 and no greater than 16. The diol includes at least one of triethylene glycol and 1,3-propanediol.

Abstract: An ink set for inkjet recording includes: a first ink containing a black dye and a polyamine; and a second ink containing a black pigment having a coat of an anionic resin. An inkjet recording method includes: ejecting a first ink containing a black dye and a polyamine onto a recording medium through an inkjet recording head; and ejecting a second ink containing a black pigment having a coat of an anionic resin onto the first ink ejected on the recording medium through an inkjet recording head.

Abstract: An information processing apparatus includes an image capturing section to capture an image of a hand; an extracting section to extract a hand area from the captured image; a reference line determining section to determine a reference pushdown line in the image on the hand area; a determining section to determine a pushdown move if the bottom part of the hand area comes below the reference pushdown line; a first position determining section to determine a depth position based on an aspect ratio of the hand area if the pushdown move is determined; a second position determining section to determine a lateral position based on a position of the bottom part of the hand area if the pushdown move is determined; and an input key determining section to determine an input key from the determined depth position and lateral position.

Abstract: An inkjet recording ink contains a polyhydric alcohol monoethyl ether or a polyhydric alcohol monopropyl ether, and a polyhydric alcohol monobutyl ether. Further, a method for producing an inkjet recording ink includes forming a pigment dispersion by kneading a pigment, an anionic resin and water, mixing the pigment dispersion with a water-soluble nonionic acrylic resin or a prepolymer thereof, triethylene glycol monobutyl ether, diethylene glycol monoethyl ether or diethylene glycol monopropyl ether, and water, and filtering a mixture resulting from the mixing.

Abstract: An ink for ink jet recording apparatuses contains water and a pigment dispersion containing a resin and carbon black. The ink additionally contains a surfactant including a compound expressed by the general formula (I) below, and the mass average molecular weight of the resin, the DBP oil absorption of the carbon black, the content of the resin with respect to the content of the carbon black in the pigment dispersion, and the dried-by-evaporation viscosity V40, which is the viscosity of the ink at the dryness of 40% by mass, are all within the respective predetermined ranges.

Abstract: An image processing device that accesses a storage unit that stores a feature point of a recognition-target object, the device includes an obtaining unit mounted with a user and configured to obtain image data in a direction of a field of view of the user; a recognizing unit configured to recognize the recognition-target object included in the image data by extracting a feature point from the image data and associating the extracted feature point and the feature point of the recognition-target object stored in the storage unit with each other; a calculating unit configured to calculate a location change amount of the feature point corresponding to the recognition-target object recognized by the recognizing unit from a plurality of the image data obtained at different times and calculate a motion vector of the recognition-target object from the location change amount; and a determining unit configured to determine a movement.

Abstract: An ink for ink-jet recording apparatuses containing water and a pigment dispersion is provided in which a penetrating agent containing an alkane diol having 8 or 9 carbon atoms and a surfactant consisting of a compound represented by the following general formula (I) are blended in predetermined amounts.

Abstract: An ink set for inkjet recording includes: a first ink containing a black dye and a polyamine; and a second ink containing a black pigment having a coat of an anionic resin. An inkjet recording method includes: ejecting a first ink containing a black dye and a polyamine onto a recording medium through an inkjet recording head; and ejecting a second ink containing a black pigment having a coat of an anionic resin onto the first ink ejected on the recording medium through an inkjet recording head.

Abstract: An ink for an ink-jet recording apparatus contains water, a pigment, a resin, 1,3-propanediol, and an organic solvent. The resin has a weight-average molecular weight of 30,000 to 150,000. The content of the resin is 1.5% to 6.0% by mass with respect to the mass of the ink. The total content (P+Q) of the content of the glycerol (P) and the content of the 1,3-propanediol (Q) in the ink is 15% to 40% by mass with respect to the mass of the ink. The mass ratio (P/Q) is 0.25 to 1.00.

Abstract: An inkjet recording ink contains a polyhydric alcohol monoethyl ether or a polyhydric alcohol monopropyl ether, and a polyhydric alcohol monobutyl ether. Further, a method for producing an inkjet recording ink includes forming a pigment dispersion by kneading a pigment, an anionic resin and water, mixing the pigment dispersion with a water-soluble nonionic acrylic resin or a prepolymer thereof, triethylene glycol monobutyl ether, diethylene glycol monoethyl ether or diethylene glycol monopropyl ether, and water, and filtering a mixture resulting from the mixing.

Abstract: Water and a pigment, as well as a high penetrating agent, a penetrating agent and a moisturizing agent each having specific kind and amount are incorporated in an ink for an inkjet recording apparatus. The high penetrating agent is an alkyl-substituted 1,3-hexanediol or an alkyl-substituted 1,3-pentanediol each having 8 carbon atoms. The penetrating agent is a C1-C4 monoalkyl ether of a polyhydric alcohol, a C6-C8 monoalkyl ether of a polyhydric alcohol, or a polyhydric alcohol dibutyl ether. The moisturizing agent is glycerin and 1,3-propanediol.

Abstract: An ink for an ink jet recording apparatus, is provided, wherein the ink contains prescribed quantities of each of water, a pigment dispersion, a penetrant, a non-ionic water-soluble acrylic resin having prescribed characteristics, and a surfactant of a compound represented by general formula (I), (II) or (III).

Abstract: An ink for an ink jet recording apparatus, is provided, wherein the ink contains prescribed quantities of each of water, a pigment dispersion, a penetrant, a non-ionic water-soluble acrylic resin having prescribed characteristics, and a surfactant of a compound represented by general formula (I), (II) or (III).

Abstract: An ink for inkjet recording apparatuses is provided in which an adsorbed resin proportion calculated from a total resin mass and a free resin mass in the ink is at least 0.95 and less than 1.00, the ink containing in specific amounts, respectively: water; a pigment dispersion including a resin with a molecular weight in the range of 35,000 to 140,000 and a specific amount of pigment; glycerin and 1,3-propanediol as humectants; and 1,2-octanediol, which has 8 carbon atoms, as a high penetrating agent, and further containing a C2-C4 monoalkyl ether of a polyhydric alcohol as a penetrating agent.

Abstract: An ink for ink-jet recording apparatuses includes water, a pigment dispersion, a humectant, and a penetrating agent. The ink includes glycerin of from 5% to 9% by mass and 1,3 -propanediol and/or 1,4-butanediol of from 30% to 45% by mass as the humectant. The ink also includes a C1-C4 monoalkyl ether of polyhydric alcohol of from 2.0% to 4.5% by mass as the penetrating agent.

Abstract: An ink for ink jet recording apparatuses contains water and a pigment dispersion containing a resin and carbon black. The ink additionally contains a surfactant including a compound expressed by the general formula (I) below, and the mass average molecular weight of the resin, the DBP oil absorption of the carbon black, the content of the resin with respect to the content of the carbon black in the pigment dispersion, and the dried-by-evaporation viscosity V40, which is the viscosity of the ink at the dryness of 40% by mass, are all within the respective predetermined ranges.