Hideyoshi
Hideyoshi Fukuoka, Tochigi JP
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20080303947 | Audio Processing Apparatus and Display Apparatus with Same - An AV device comprises a processing section for carrying out a process for view and listening, a signal output section for outputting a signal to the processing section, first signal input sections including a mobile audio input terminal, a first detecting section for detecting insertion/removal of a plug into/from the mobile audio input terminal, and a first control section for controlling the connection between the first signal input sections and the signal output section according to the result of the detection by the first detection section. Another AV device is provided in which insertion/removal of a plug into/from a second signal input section and indication information is outputted to a second video display section according to the detection result. With such constitutions, various processings can be carried out according to insertion/removal of a plug. | 12-11-2008 |
Hideyoshi Isobe, Nagasaki-Shi JP
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20100143095 | RADIAL COMPRESSOR - A radial compressor is capable of preventing the occurrence of separation caused by a flow which goes beyond the front end of a blade and turns onto a negative pressure plane from a pressure plane, thereby reducing a surging flow rate to a smaller flow rate. The radial compressor includes an impeller which is rotatively driven, axially introduces air taken in through an air inlet passage formed in a housing, pressurizes the introduced air, and discharges the pressurized air in a radial direction, wherein an annular concave groove is formed in a peripheral wall of the air inlet passage of the housing, a rear end portion of an opening of the annular concave groove, which rear end portion meets the housing peripheral wall, is provided in the vicinity of a blade front end surface of the impeller, and the rear end portion of the opening of the annular concave groove is formed such that an axial projecting amount X thereof relative to the blade front end surface of the impeller is set to −1T≦X≦1.5T (where T denotes the thickness of the distal portion of a blade). | 06-10-2010 |
Hideyoshi Isobe, Nagasaki JP
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20100129209 | Centrifugal Compressor - There is provided a centrifugal compressor having a diffuser structure in which airflow is unlikely to separate from a hub side wall surface on a hub side wall surface downstream side within a diffuser passage. In a centrifugal compressor provided with a diffuser passage | 05-27-2010 |
Hideyoshi Kamashima, Tokyo JP
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20120135162 | MOLDED RESIN PRODUCT AND PROCESS FOR SURFACE TREATMENT THEREOF - A molded resin product includes a substrate made of a transparent resin, opaque coating film disposed on rear surface of the substrate except for an area set aside for a patterned portion, a transparent resin material disposed in the area set aside for the patterned portion on the rear surface of the substrate, and an opaque reflection coating or a half-reflective coating laminated to the transparent resin material. Under this configuration, the patterned portion looks as if it pops up from the rear surface of the substrate. If a half-reflective coating is used, the pattern is visible through the half-reflective coating when the pattern is viewed from the rear surface of the lid of a molded resin product. | 05-31-2012 |
Hideyoshi Kinoshita, Satsumasendai-Shi JP
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20100089203 | Ti-based Cermet - A Ti-based cermet | 04-15-2010 |
20110129312 | Cutting Tool - Provided is a cutting tool which comprises a sintered cermet having high toughness and thermal shock resistance. The cutting tool, namely a tip | 06-02-2011 |
20110177934 | Sintered Cermet and Cutting Tool - A sintered cermet and a cutting tool are provided which have high toughness and high anti-chipping. The sintered cermet comprises a hard phase composed of one or more kinds selected from carbides, nitrides, and carbonitrides of one or more metals selected from metals belonging to Groups 4, 5, and 6 of the periodic table, each of which is composed mainly of Ti; and a binder phase composed mainly of Ni and Co. When the crystal lattice constant of the binder phase is measured by Pawley method, two kinds of binder phases having two kinds of crystal lattice constants 31 and 32 exist in the interior of the sintered cermet. Alternatively, two peaks belonging to the (220) plane of the hard phase, namely, a low-angle-side-peak and a high-angle-side peak are detected in the interior of the sintered cermet, and a modified part exists in the vicinity of the surface, in which three peaks belonging to the (220) plane of the hard phase, namely, the low-angle-side peak, an intermediate-position peak, and the high-angle-side peak are detected. | 07-21-2011 |
20120263944 | ROTATION TOOL - A sintered cermet of a rotary tool has a hard phase with a first hard phase and a second hard phase comprising a carbide, a nitride, and a carbonitride of at least one of group 4, 5, and 6 metals of the periodic table of which metals the metal titanium is a main component. The result of an X-ray diffraction measurement in a surface region of the sintered cermet provides a first peak intensity Ib on a high angle side that is attributable to a (220) plane of the first hard phase and a second peak intensity Ia on a low-angle side that is attributable to a (220) plane of the second hard phase, and an intensity ratio Ib/Ia of the first peak intensity Ib to the second peak intensity Ia is in the range of 0.5 to 1.5. | 10-18-2012 |
20140127527 | HARD ALLOY AND CUTTING TOOL - A hard alloy and a cutting tool. The hard alloy includes a hard phase and a binder phase. The hard phase includes: a main phase containing 50-70 mass % of WC, 15-30 mass % of TiCN, and 0-10 mass % of at least one kind of carbide, nitride or carbonitride of one or more non-W, non-Ti periodic table Group 4, 5 or 6 metal; a WC phase; and a composite hard phase. The binder phase includes 6 to 12 mass % of at least one of Co and Ni. The hard alloy includes a surface portion at a surface thereof, the surface portion having a WC content higher than that of an internal portion thereof. An average size of grains in the WC phase in the surface portion is larger than an average size of grains in the WC phase in the internal portion. | 05-08-2014 |
Hideyoshi Miyake, Nishinomiya-Shi JP
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20130085068 | GERMINATION-STIMULANT CARBAMATE DERIVATIVES AND PROCESS FOR PREPARATION THEREOF - Provided is a novel compound which can germinate seeds of root parasitic plants, more specifically, a compound represented by the formula: | 04-04-2013 |
Hideyoshi Nagado, Sagamihara-Shi JP
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20120262377 | ELECTRONIC DEVICE, CONTROL METHOD OF ELECTRONIC DEVICE AND CONTROL PROGRAM OF ELECTRONIC DEVICE - Operation keys are arranged on a front panel along with a display screen. When an electronic device has a certain state, information indicating the certain state is displayed on the display screen. A dynamic figure is displayed on a region on the display screen corresponding to a position of a specific operation key to be operated at the time of the certain state, among the operation keys. | 10-18-2012 |
Hideyoshi Nakamura, Ayabe-City JP
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20120303317 | DISPLACEMENT SENSOR - Teaching processing using a model of a workpiece is performed by accepting at least one input of a target value for a response time and a tolerance value for a detection error as a parameter representing a condition for a displacement sensor to operate. A CPU during teaching processing determines a maximum exposure time while it causes repeated detection processing by a light projecting unit and a light receiving unit, calculates variation in measurement data of an amount of displacement, and derives the number of pieces of data of moving average calculation suitable for a value for the input parameter as a result of operation processing using the maximum exposure time and variation in measurement data. This number of pieces of data is registered in a memory and used for moving average calculation in a normal operation mode. | 11-29-2012 |
Hideyoshi Nakamura, Ayabe-Shi JP
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20110215221 | PHOTOELECTRIC SENSOR AND METHOD FOR AIDING OPERATIONAL CHECKING OF PHOTOELECTRIC SENSOR - A photoelectric sensor comprises a control unit which is configured to store in a memory data on the amount of received light input from a light-receiving unit or measurement data obtained by a measuring process, and to perform a sampling process in which the data stored in the memory are read at fixed intervals as sampling data, the sampling process being performed within a limited reading period. Further, the control unit outputs the thus read sampling data so as to correspond to the order in which they are stored in the memory. | 09-08-2011 |
20110218766 | PHOTOELECTRIC SENSOR AND METHOD FOR AIDING CHECKING OF THRESHOLD - A photoelectric sensor comprises a control unit which performs a measuring process for data on an amount of light input from a light-receiving unit. The control unit measures the length T | 09-08-2011 |
Hideyoshi Nakamura, Funabashi-Shi JP
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20150020561 | METHOD OF MANUFACTURING END-GROUP COMPONENTS WITH PURE NIOBIUM MATERIAL FOR SUPERCONDUCTING ACCELERATOR CAVITY - End-group components for superconducting accelerator cavity used in acceleration of charged particles are manufactured by subjecting pure niobium sheet materials to press forming composed mainly of flat-bottomed cylindrical drawing, preferably by simultaneously conducting control of slide velocity and/or its motion and control of tool die temperature and/or its distribution/gradient in the above press forming, further preferably by dynamically controlling blank holding force in accordance with the variation of flange area, flange thickness and deformed characteristics of niobium sheet materials during the press forming, more preferably by preparing an anisotropically shaped blank instead of a circular blank by use of servo press forming machine, servo-die cushion temperature control equipment, water-soluble solid coating type lubricant, and a tooling die. | 01-22-2015 |
Hideyoshi Ooshio, Shizuoka JP
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20080201555 | Image processing apparatus, method for controlling image processing apparatus, control program, and recording medium - An image processing apparatus is disclosed that includes an image processing unit section and an information processing unit section. The image processing unit section includes an image scanner that performs an image processing function and a SDK application that expands and controls the function of the image processing apparatus. The information processing unit section includes an operations panel that selectively performs operations between a basic application and the SDK application and a MFP service that transmits an instruction signal to the SDK application so as to control the image scanner in accordance with the operation on the operations panel. The information processing unit section confirms the corresponding relationship between the MFP service and the SDK application when the image processing apparatus performs a starting process and makes the SDK application correspond to the MFP service in accordance with the confirmation results. | 08-21-2008 |
20120038955 | Image processing apparatus, method for controlling image processing apparatus, control program, and recording medium - An image processing apparatus is disclosed that includes an image processing unit section and an information processing unit section. The image processing unit section includes an image scanner that performs an image processing function and a SDK application that expands and controls the function of the image processing apparatus. The information processing unit section includes an operations panel that selectively performs operations between a basic application and the SDK application and a MFP service that transmits an instruction signal to the SDK application so as to control the image scanner in accordance with the operation on the operations panel. The information processing unit section confirms the corresponding relationship between the MFP service and the SDK application when the image processing apparatus performs a starting process and makes the SDK application correspond to the MFP service in accordance with the confirmation results. | 02-16-2012 |
Hideyoshi Sakahira, Tokyo JP
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20150222731 | COMPUTER, GUIDE INFORMATION PROVIDING METHOD AND RECORDING MEDIUM - A subject is to utilize the relationship between work commands in the past showing concrete actions of an operator and data as results of the work commands. For this purpose, a storage unit configured to hold information associating a flow chart including at least one work procedure and showing a flow of work needed to generate predetermined data and work guide information needed to perform the work procedure is included and the flow chart and the guide information are transmitted in response to a directive from a requesting computer. Then, the requesting computer is caused to display the flow chart and the guide information, a combination of a work command issued by the requesting computer and data accessed or generated in accordance with the work command for execution of the work procedure by the requesting computer is associated with the work procedure and recorded, and the flow chart corresponding to the predetermined data and the combination of the work command and the data accessed or generated in the work procedure stored are transmitted to the requesting computer in a predetermined moment to cause the requesting computer to display the flow chart and the combination. | 08-06-2015 |
Hideyoshi Sakahira, Yokohama JP
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20130238748 | ELECTRONIC DISTRIBUTION METHOD, ELECTRONIC DISTRIBUTION DEVICE AND ELECTRONIC DISTRIBUTION PROGRAM - Electronic distribution device for repeatedly distributing content comprising a plurality of content elements to a user terminal device at a predetermined distribution time, comprising a storage unit for storing away view history information for storing, for each content element and for each user, a view count of views of the content by the user; and a control unit for determining a combination of a content element capable of being distributed after a predetermined distribution time and a user, on the basis of the view count of the view history information, and generating and distributing the content element of the determined combination to the user terminal device used by the user of the determined combination, after the distribution time, after receiving a view request for the content element from the user terminal device. | 09-12-2013 |
Hideyoshi Sasaki, Tokyo JP
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20130331974 | CARD ISSUING APPARATUS - Provided is a card issuing apparatus that includes a plurality of processing units that perform predetermined processing on a card, which enables reduction of the installation space thereof. A card issuing apparatus that performs processing on a card to be processed and issues the processed card includes: a plurality of processing units including at least a first processing unit that executes a process of forming at least one of a character string and a symbol on a surface of the card to be processed, and a second processing unit that executes a process of recording information on a recording medium included in the card to be processed. The plurality of processing units are installed in the card issuing apparatus body to be arranged in the up-down direction. | 12-12-2013 |
Hideyoshi Yamaguchi, Tokyo JP
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20150026957 | METHOD FOR MANUFACTURING FORGED STEEL ROLL - A method for manufacturing a forged steel roll comprises: casting, by the ESR method, a steel ingot which contains, by mass %, C: 0.3% or more, Si: 0.2% or more, Cr: 2.0-13.0% and Mo: 0.2% or more, and further contains Bi at 10-100 ppm by mass; and forging the steel ingot to manufacture the roll. According to this method, since freckle defects can be sealed near the center of the steel ingot, the roll can be stably used over a long period of time. | 01-29-2015 |
Hideyoshi Yanagisawa, Annaka-Shi JP
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20090137710 | ORGANOSILICON COMPOUND AND PRESSURE-SENSITIVE ADHESIVE COMPOSITION FOR LIQUID CRYSTAL ELEMENT CONTAINING SAME - A novel organosilicon compound having a β-ketoester structure and a pressure-sensitive adhesive composition for a liquid crystal element that includes the organosilicon compound are provided. The organosilicon compound is obtained by reacting, in the presence of a transition metal catalyst, a compound represented by a formula (1): | 05-28-2009 |
20090159203 | ROOM TEMPERATURE CURABLE ORGANOPOLYSILOXANE COMPOSITION - Provided is a room temperature curable organopolysiloxane composition, including (A) 100 parts by mass of a diorganopolysiloxane with both terminals blocked with silanol groups, or a diorganopolysiloxane with each terminal blocked, independently, with a trialkoxysilyl group or a dialkoxyorganosilyl group, or a mixture thereof, (B) 0.1 to 30 parts by mass of a silane compound and/or a partial hydrolysis-condensation product thereof containing an average of at least two hydrolysable groups bonded to silicon atoms within each molecule, and in which the remaining groups bonded to silicon atoms are methyl groups, ethyl groups, propyl groups, vinyl groups, or phenyl groups, and (C) 0.1 to 10 parts by mass of either one, or two or more organosilicon compounds containing amino groups, and also containing four or more hydrolysable groups. Also provided are a sealing material and an adhesive including the above composition. Further provided are a process for sealing an adherend with a cured product of the above sealing material and a process for bonding two adherends with a cured product of the above adhesive. The room temperature curable organopolysiloxane composition yields a cured product that exhibits excellent adhesion when exposed to hot water vapor and following such exposure, and suffers minimal evaporation residues derived from the cured product. | 06-25-2009 |
20100152473 | BETA-KETOESTER GROUP-CONTAINING ORGANOPOLYSILOXANE COMPOUND - A novel organosilicon compound is provided as an organosilicon compound containing a β-ketoester structure that has minimal volatile components and generates a minimal amount of alcohol when used as a component within all manner of treatment agents. The organopolysiloxane is represented by an average composition formula shown below: | 06-17-2010 |
20110005803 | WIRE OR CABLE - A wire or cable comprising a conductor or wire core and a coating layer on the exterior of the conductor or wire core which is formed from a rubber or plastic composition containing a rubber or plastic and an inorganic filler having high moisture resistance is provided. The inorganic filler is the one which has been surface treated with an alkoxy group-containing organopolysiloxane having an unsaturated aliphatic group-containing group and a monovalent hydrocarbon group of 3 to 10 carbon atoms containing no aliphatic unsaturated bond obtained by partially cohydrolytic condensation of an organic functional group-containing silane and/or its (partially) hydrolytic condensate, and an organic functional group-containing silane and/or its (partially) hydrolytic condensate. | 01-13-2011 |
20110021723 | ORGANOPOLYSILOXANE AND MAKING METHOD - An organopolysiloxane is prepared by hydrolysis and polycondensation of an organosilicon compound in the presence of a liquid hydrolytic condensation catalyst which is separable. The organopolysiloxane contains a high proportion of cyclic polysiloxanes and has a sharp molecular weight distribution due to minimized monomer and polymer contents. | 01-27-2011 |
20120292286 | METHOD FOR MANUFACTURING MICRO-STRUCTURE AND OPTICALLY PATTERNABLE SACRIFICIAL FILM-FORMING COMPOSITION - A micro-structure is manufactured by patterning a sacrificial film, forming an inorganic material film on the pattern, and etching away the sacrificial film pattern through an aperture to define a space having the contour of the pattern. The patterning stage includes the steps of (A) coating a substrate with a composition comprising a cresol novolac resin, a crosslinker, and a photoacid generator, (B) heating to form a sacrificial film, (C) patternwise exposure, (D) development to form a sacrificial film pattern, and (E) forming crosslinks within the cresol novolac resin. | 11-22-2012 |
20130101937 | MODIFIED NOVOLAK PHENOLIC RESIN, MAKING METHOD, AND RESIST COMPOSITION - A modified novolak phenolic resin is obtained by reacting a novolak phenolic resin containing at least 50 wt % of p-cresol with a crosslinker. This method increases the molecular weight of the existing novolak phenolic resin containing at least 50 wt % of p-cresol to such a level that the resulting modified novolak phenolic resin has heat resistance enough for the photoresist application. | 04-25-2013 |
20140072914 | METHODS FOR MANUFACTURING RESIN STRUCTURE AND MICRO-STRUCTURE - A resin structure for the formation of a micro-structure is manufactured by (A) applying a composition comprising a polymer, a photoacid generator, and an organic solvent onto a substrate, (B) heating the composition to form a sacrificial film, (C) exposing imagewise the film to first high-energy radiation, (D) developing the film in an alkaline developer to form a sacrificial film pattern, (E) exposing the sacrificial film pattern to UV as second high-energy radiation, and (F) heating the substrate at 100-250° C. The exposure dose of first high-energy radiation in step (C) is up to 250 mJ/cm | 03-13-2014 |
20140087294 | CHEMICALLY AMPLIFIED POSITIVE RESIST COMPOSITION AND PATTERN FORMING PROCESS - In a chemically amplified positive resist composition comprising (A) a base resin, (B) a photoacid generator, (C) a thermal crosslinker, and (D) an organic solvent, the base resin is a specific polymer and the crosslinker is a siloxane compound. A coating of the composition is readily developable in aqueous alkaline solution. On heat treatment, it forms a cured resist pattern film of satisfactory profile. | 03-27-2014 |
20140220497 | METHODS FOR MANUFACTURING RESIN STRUCTURE AND MICRO-STRUCTURE - A resin structure for the formation of a micro-structure is manufactured by (A) applying a composition comprising a polymer, a photoacid generator, an epoxy compound, and an organic solvent onto a substrate, (B) heating the composition to form a sacrificial film, (C) exposing imagewise the film to first high-energy radiation, (D) developing the film in an alkaline developer to form a sacrificial film pattern, (E) exposing the sacrificial film pattern to UV as second high-energy radiation, and (F) heating the substrate at 80-250° C. The exposure dose of first high-energy radiation in step (C) is up to 250 mJ/cm | 08-07-2014 |
20140356790 | METHOD FOR MANUFACTURING MICRO-STRUCTURE AND OPTICALLY PATTERNABLE SACRIFICIAL FILM-FORMING COMPOSITION - A micro-structure is manufactured by patterning a sacrificial film, forming an inorganic material film on the pattern, and etching away the sacrificial film pattern through an aperture to define a space having the contour of the pattern. The patterning stage includes the steps of (A) coating a substrate with a composition comprising a cresol novolac resin, a crosslinker, and a photoacid generator, (B) heating to form a sacrificial film, (C) patternwise exposure, (D) development to form a sacrificial film pattern, and (E) forming crosslinks within the cresol novolac resin. | 12-04-2014 |
20150057416 | ORGANOSILOXANE-MODIFIED NOVOLAK RESIN AND MAKING METHOD - An organosiloxane-modified novolak resin comprising structural units having formula (1) wherein R | 02-26-2015 |
20150087792 | MODIFIED NOVOLAK PHENOLIC RESIN, MAKING METHOD, AND RESIST COMPOSITION - A modified novolak phenolic resin is obtained by reacting a novolak phenolic resin containing at least 50 wt % of p-cresol with a crosslinker. This method increases the molecular weight of the existing novolak phenolic resin containing at least 50 wt % of p-cresol to such a level that the resulting modified novolak phenolic resin has heat resistance enough for the photoresist application. | 03-26-2015 |
Hideyoshi Yoshimura, Yamatokoriyama-Shi JP
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20080240492 | IMAGE PROCESSING APPARATUS, IMAGE FORMING APPARATUS, IMAGE PROCESSING SYSTEM, AND IMAGE PROCESSING METHOD - A storage process section stores, into an exceptional reference image list, discrimination information for discriminating a reference image which permits image processing and a reference image which forbids or restricts image processing. In case where a maximum value of a similarity calculated by a voting process section is not less than a threshold value, a control section determines whether a reference image having a maximum similarity is the reference image which permits image processing or a reference image which forbids or restricts image processing and determines whether or not it is necessary to forbid or restrict image processing with respect to input image data in accordance with a result of the determination. This makes it possible to prevent erroneous determination from forbidding execution of image processing based on input image data or to prevent erroneous determination from allowing execution of image processing based on input image data. | 10-02-2008 |
20090123085 | IMAGE PROCESSING APPARATUS, IMAGE FORMING APPARATUS AND IMAGE PROCESSING METHOD - A local density calculation section calculates a density of a pixel region with a predetermined size including a current point of an input image disposed at the center on the basis of a pixel value of the pixel region. A mixing ratio calculation section generates a coefficient set of coefficients α and β in accordance with a local density value calculated by the local density calculation section, and outputs the generated coefficients α and β to a weight process section. The weight process section multiplies an operation result obtained from the input image by a first filter operation section by the coefficient α, multiplies an operation result obtained from the input image by a second filter operation section by the coefficient β, adds the multiplied results to each other and outputs the result of addition as a process result of a spatial filter process section. | 05-14-2009 |
20090244632 | IMAGE PROCESSING APPARATUS, IMAGE FORMING APPARATUS, AND IMAGE PROCESSING METHOD - An image processing apparatus includes (i) a repulsive force generating section for setting repulsive force values RVa and RVu of a quantized pixel according to an output pixel value of the quantized pixel, (ii) a repulsive force calculating section for calculating a repulsive force value RVC to be used in quantizing a quantization-target pixel by attenuating, according to a distance between the quantized pixel and the quantization-target pixel, the repulsive force values RVa and RVu set for the quantized pixel; and (iii) a threshold value correcting section for correcting a threshold value T used in quantizing the quantization-target pixel according to the repulsive force value RVC. This makes it possible to prevent an increase in the number of processing steps and amount of processing when an image is processed with an error diffusion method. At the same time, it is possible to prevent decrease in image uniformity and formation of a pattern unique to the error diffusion method. | 10-01-2009 |
20090263031 | PIXEL INPUT-OUTPUT METHOD, IMAGE COMPRESSING METHOD, PIXEL INPUT-OUTPUT APPARATUS, IMAGE COMPRESSING APPARATUS, IMAGE PROCESSING APPARATUS, IMAGE FORMING APPARATUS, COMPUTER PROGRAM AND RECORDING MEDIUM - When inputted pixels from an input DMA unit, a packing unit outputs data package. One data package consists of a inputted pixels. A memory control unit writes, on a write line memory at a write interval, the data package that is outputted by the packing unit. The write interval is a times longer than an input interval at which the pixels are inputted into the packing unit. During the writing process, the memory control unit reads out another data package from a read line memory at a read interval that is the same as the input interval. In addition, the memory control unit treats the write line memory as the read line memory, after completing the writing process. Alternatively, the memory control unit treats the read line memory as the write line memory, after completing the reading process. | 10-22-2009 |
Hideyoshi Yoshimura, Osaka-Shi JP
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20100329548 | IMAGE COMPRESSING APPARATUS, IMAGE COMPRESSING METHOD, IMAGE DECOMPRESSING APPARATUS, IMAGE DECOMPRESSING METHOD, IMAGE FORMING APPARATUS AND RECORDING MEDUIM - When compressing continuous tone bit map image data, the image compression section of the image compressing apparatus segments the continuous tone bit map image data into bit map image data for lossy compression, index image data for lossless compression and bit map image data for lossless compression based on pixel identification information data. The lossy compression section of the image compression section performs lossy compression process according to the JPEG method for the bit map image data for lossy compression, and the first lossless compression section thereof performs lossless compression process according to the JBIG method for the index image data for lossless compression. Furthermore, the second lossless compression section thereof performs lossless compression process according to the JPEG-LS method for the bit map image data for lossless compression. | 12-30-2010 |
Hideyoshi Yoshimura, Nara JP
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20090041360 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - The present invention provides an image processing apparatus capable of preventing deterioration of judgment accuracy when performing document matching process. To be more specific, when selecting feature points in the neighborhood of a target feature point, a predetermined number of feature points are selected after excluding a prespecified number of feature points in turn from the feature point nearest to the target feature point. For example, when the plurality of feature points are selected, the plurality of feature points, after excluding at least a feature point existing at a position nearest to the target feature point, are selected. Thereby, without increasing the amount of feature points for calculation of features (feature vectors), it is possible to prevent the deterioration of judgment accuracy. | 02-12-2009 |