Abstract: An example thermal printer includes: a receptacle to receive a thermal media sheet; a thermal printhead to heat the thermal media sheet in the receptacle; a memory to store color correction data for types of thermal media sheets; a processor interconnected with the memory and the thermal printhead, the processor to: identify a type of the thermal media sheet in the receptacle; obtain, from the memory, the color correction data for the type of the thermal media sheet; and control the thermal printhead to heat the thermal media sheet based on the color correction data.

Abstract: Examples of printing device calibration based on a lot code are described. In an example, a lot code of a print media is determined. Calibration parameters for a printing device are determined based on the lot code. The printing device is calibrated to print on the print media based on the calibration parameters.

Abstract: A halftone screen applicable to an electrophotographic printer is created. Hence, minimum and maximum sizes of a halftone dot and a cluster size are input. When the halftone-dot size reaches the minimum size, the number of blackened pixels in the halftone dot is calculated. When the halftone-dot size is smaller than the minimum size, or when the number of blackened pixels doesn't reach the cluster size, and the halftone-dot size is smaller than the maximum size, the halftone dot is. When the number of blackened pixels becomes equal to or larger than the cluster size or when the halftone-dot size reaches the maximum size, a halftone screen is partitioned into polygons to have centroids of the halftone dots as kernel points. Then, each halftone dot is grown by blackening pixels to have the centroid as the center of growth.

Abstract: A quantizing unit, error detector, error diffusion matrix, and adder quantize a pixel of interest of an input image by an error diffusion method. A calculation unit and gain adjuster calculate a value to be added to the pixel of interest with reference to quantized pixels. The adder adds the calculated value to the pixel of interest. A control unit controls the calculation of the gain adjuster.

Abstract: A technique for performing high-quality cluster type FM halftone image output without “anisotropy” or “sweep out texture” phenomenon is provided. An error diffused to a current pixel position and a random number RND are added by an adder to multi-level pixel data as a subject of binarization, and supplied as pixel data Pxy to a selector. The selector compares the pixel data Pxy with thresholds, and supplies the pixel data Pxy to one of a highlight portion processor, a dark portion processor and an intermediate portion processor. The highlight and dark portion processors refer to already-binarized results within a range determined in accordance with the value of the input pixel data Pxy, and determine a binarization result Qxy. The intermediate portion processor compares a threshold, which monotonously increases in accordance with the value of the pixel data Pxy, with the pixel data Pxy, thereby determines the binarization result Qxy.

Abstract: A quantizing unit, error detector, error diffusion matrix, and adder quantize a pixel of interest of an input image by an error diffusion method. A calculation unit and gain adjuster calculate a value to be added to the pixel of interest with reference to quantized pixels. The adder adds the calculated value to the pixel of interest. A control unit controls the calculation of the gain adjuster.

Abstract: A quantizing unit, error detector, error diffusion matrix, and adder quantize a pixel of interest of an input image by an error diffusion method. A calculation unit and gain adjuster calculate a value to be added to the pixel of interest with reference to quantized pixels. The adder adds the calculated value to the pixel of interest. A control unit controls the calculation of the gain adjuster.

Abstract: A halftone screen which is applicable to a low-resolution electrophotographic printer is created. Hence, dot-lattice points arranged in a predetermined region are displaced using rotation processing, the predetermined region is partitioned into polygons each of which surrounds the dot-lattice point. Then, a threshold matrix used to grow a halftone dot, which is surrounded by each polygon, in a direction of the displacement is generated.

Abstract: The present invention provides a novel method of producing the 12-membered ring macrolide compound 11107D having an antitumor activity by biological transformation. Starting material which is the 12-membered ring macrolide compound 11107B represented by the formula (I) is incubated in the presence of a strain belonging to the genus Mortierella, the genus Streptomyces or the family Micromonosporaceae (for example, Streptomyces sp. AB-1704 strain (FERM BP-8551)), each of which has the ability of transforming the 12-membered ring macrolide compound 11107B into a 11107D substance represented by the formula (II), or a preparation of its cultured myceha and oxygen, and then 11107D substance which is a target material is collected from the treating solution.

Abstract: A technique for performing high-quality cluster type FM halftone image output without “anisotropy” or “sweep out texture” phenomenon is provided. An error diffused to a current pixel position and a random number RND are added by an adder to multi-level pixel data as a subject of binarization, and supplied as pixel data Pxy to a selector. The selector compares the pixel data Pxy with thresholds, and supplies the pixel data Pxy to one of a highlight portion processor, a dark portion processor and an intermediate portion processor. The highlight and dark portion processors refer to already-binarized results within a range determined in accordance with the value of the input pixel data Pxy, and determine a binarization result Qxy. The intermediate portion processor compares a threshold, which monotonously increases in accordance with the value of the pixel data Pxy, with the pixel data Pxy, thereby determines the binarization result Qxy.

Abstract: The present invention provides a novel bioactive substance having an antitumor activity and a process for producing it, and a medical use thereof. Namely, it provides a 12-membered ring macrolide compound represented by the following formula obtained from the incubation solution of Streptomyces sp. Mer. 11107 or a variant thereof, a pharmacologically acceptable salt thereof or a hydrate of them, and a process for producing it.

Abstract: First data, which is calculated from quantization errors of adjacent pixels of a pixel of interest in accordance with an error diffusion matrix, and second data, which is calculated from quantization results of the adjacent pixels in accordance with a reference pixel matrix and a gain coefficient, are added to color data of the pixel of interest. The color data of the pixel of interest, to which the first and second data are added, is quantized, and a quantization error of the pixel of interest is calculated from the quantization result. Different combinations of reference pixel matrices and gain coefficients are respectively used for a plurality of color component data.

Abstract: A quantizing unit, error detector, error diffusion matrix, and adder quantize a pixel of interest of an input image by an error diffusion method. A calculation unit and gain adjuster calculate a value to be added to the pixel of interest with reference to quantized pixels. The adder adds the calculated value to the pixel of interest. A control unit controls the calculation of the gain adjuster.

Abstract: A quantizing unit quantizes a pixel of interest of an input image. An error detector calculates an error generated upon quantizing the pixel of interest. An error diffusion matrix diffuses the error to non-quantized pixels, which are separated by a predetermined distance from the pixel of interest and are located in a ring pattern, based on an error diffusion matrix.

Abstract: Appropriate halftone processing is applied to respective regions without any zone segmentation of a document image formed upon mixing a photographic image, character image/line drawing, and the like. Hence, an image is input, an edge image of the image is generated, a smoothed image of the edge image is generated by smoothing processing, and lattice points having a density distribution according to the tone density distribution of the smoothed image are set. A predetermined region is partitioned into polygons, each of which surrounds one of the lattice points, and a threshold matrix used to grow a halftone dot surrounded by each polygon is generated.

Abstract: A halftone screen which is applicable to a low-resolution electrophotographic printer is created. Hence, dot-lattice points arranged in a predetermined region are displaced using rotation processing, the predetermined region is partitioned into polygons each of which surrounds the dot-lattice point. Then, a threshold matrix used to grow a halftone dot, which is surrounded by each polygon, in a direction of the displacement is generated.

Abstract: A halftone screen applicable to an electrophotographic printer is created. Hence, minimum and maximum sizes of a halftone dot and a cluster size are input. When the halftone-dot size reaches the minimum size, the number of blackened pixels in the halftone dot is calculated. When the halftone-dot size is smaller than the minimum size, or when the number of blackened pixels doesn't reach the cluster size, and the halftone-dot size is smaller than the maximum size, the halftone dot is. When the number of blackened pixels becomes equal to or larger than the cluster size or when the halftone-dot size reaches the maximum size, a halftone screen is partitioned into polygons to have centroids of the halftone dots as kernel points. Then, each halftone dot is grown by blackening pixels to have the centroid as the center of growth.

Abstract: Inkjet printheads capable of printing smaller and larger drop-weight quantities of ink, and methods of manufacturing the inkjet printheads, are disclosed. The inkjet printhead includes a substrate. One or more portions of the substrate may be etched such that the substrate might have different thicknesses. In one example embodiment, an orifice layer can by applied to the substrate that has orifice areas with different orifice thicknesses.

Abstract: A printing apparatus includes one of a first cartridge or a second cartridge. The first cartridge has a first contact array including a plurality of contact areas. The second cartridge has a second contact array including a plurality of contact areas. The locations of the contact areas of the first contact array are different from locations of the contact areas of the second contact array. The printing apparatus further includes a carriage that interchangeably receives the first cartridge and the second cartridge. A controller identifies whether the first cartridge or the second cartridge is installed in the carriage.

Abstract: Pillars are formed in a fully integrated thermal inkjet printhead to prevent particles from entering into a nozzle chamber along an ink refill channel. The pillars are formed after a step of applying a thin film structure to a substrate. At one step, pits are etched through the thin film structure. At another step, material for an orifice layer is deposited into the pits. At another step, a firing chamber is etched into the orifice layer. At another step, a trench is etched into the backside of the wafer in the vicinity of the filled pits. The material filling each pit is not removed and remains in place to define the respective pillars. Two or more pillars are formed within the trench for each inkjet nozzle chamber. Alternatively pillars are formed by depositing material into the underside trench and performing photoimaging processes.