Patent application number | Description | Published |
20090246479 | Ink-jet recording water-based ink composition - An ink-jet recording water-based ink composition includes a polymer obtained by emulsion polymerization of a monomer having an ethylene-type unsaturated bond in the molecule and divinylbenzene in the presence of a reactive emulsifier, a polyethylene-based wax, a water-soluble resin, water, and a colorant. When ink coat is formed on a plastic film having a degree of gloss at 60° of 140 to 150 by discharging droplets of the ink composition onto the plastic film, the ink coat has a degree of gloss at 60° within a range of 50 to 120. | 10-01-2009 |
20090295847 | PRINTING METHOD USING INKJET RECORDING METHOD AND PRINTING APPARATUS - [Problems] There is provided a printing method using an inkjet recording method for printing on non-ink-absorptive and low-ink-absorption recording media that is excellent in terms of image quality, resistance to abrasion, and discharge stability no matter how ink-absorptive recording media used therewith are. | 12-03-2009 |
20100086691 | PRINTING METHOD EMPLOYING INK JET RECORDING TECHNIQUE - A printing method employing an ink jet recording technique includes: forming an image with an ink jet recording technique by ejecting droplets of a water-based ink composition onto a recording medium having no or low ink absorbency; and drying the water-based ink composition on the recording medium, the drying being conducted so as to at least overlap the forming. The water-based ink composition contains at least one selected from N-methyl-2-pyrrolidone, tetramethylurea, and dimethyl sulfoxide; a water-insoluble coloring agent; a water-soluble resin; thermoplastic resin particles; a silicone-based surfactant; an acetylene glycol-based surfactant; a penetrating agent; a moisture retaining agent; and water. The total content of the N-methyl-2-pyrrolidone, the tetramethylurea, and the dimethyl sulfoxide in the water-based ink composition is 3.0 to 10.0 mass %. The content of the penetrating agent in the water-based ink composition is 3.0 to 8.0 mass %. The content of the moisture retaining agent in the water-based ink composition is 5.0 to 10.0 mass %. | 04-08-2010 |
20100092674 | INK JET RECORDING METHOD, INK CARTRIDGE, AND RECORDING DEVICE - An ink jet recording method for forming an image by adhering water-based ink to a metallic foil medium, in which the method includes forming an image while heating the medium to 40° C. to 50° C., the amount of ink droplets to be adhered to the medium is 4 to 25 ng per dot, and the water-based ink contains a pigment, 3 to 11 mass of a water-soluble resin solvent, 0.5 to 1.1 mass of a water-soluble resin, 2.1 to 4.5 mass of a resin emulsion, and a surfactant. | 04-15-2010 |
20110183124 | AQUEOUS INK COMPOSITION, INK JET RECORDING METHOD AND RECORDED MATERIAL - An ink jet recording method includes ejecting droplets of an aqueous ink composition on an ink-non-absorbent or ink-low-absorbent recording medium from an ink jet recording apparatus, and drying the aqueous ink composition on the recording medium by heating the recording medium to 40° C. or more. The aqueous ink composition used in the method contains a pigment, a first solvent and a second solvent, but does not contain glycerol. The first solvent content W1 is in the range of 3% to 6% by mass, and the ratio W | 07-28-2011 |
20110183125 | AQUEOUS INK COMPOSITION, INK JET RECORDING METHOD, AND RECORDED MATTER - An ink jet recording method includes ejecting droplets of an aqueous ink composition from an ink jet recording apparatus onto a non-ink-absorbing or low-ink-absorbing recording medium, and heating the recording medium to 40° C. or more to dry the aqueous ink composition deposited on the recording medium, wherein the first solvent content (W1) is 3% by mass or more and 6% by mass or less of the mass of the aqueous ink composition, the ratio (W2/W1) of the second solvent content (W2) to the first solvent content (W1) is one or more, and the ratio [(W2+W3)/(W1)] of the total (W2+W3) of the second solvent content (W2) and the third solvent content (W3) to the first solvent content (W1) is three or more. | 07-28-2011 |
20110234726 | INK JET RECORDING METHOD - An ink jet recording method includes recording with an aqueous ink composition on a non-ink-absorbing or low-ink-absorbing recording medium. The aqueous ink composition contains a water-insoluble colorant, water-insoluble thermoplastic resin particles, a surfactant, a first solvent including at least one selected from 2-pyrrolidone and N,N′-dimethylpropylene urea, a second solvent including 1,2-hexanediol, and a third solvent including at least one selected from glycol diethers having a boiling point of 240° C. or more and 280° C. or less. | 09-29-2011 |
20110234727 | INK JET RECORDING PROCESS - Recording onto a non-ink-absorbing or low-ink-absorbing recording medium is performed using an aqueous ink composition containing a first solvent composed of a glycol diether having a boiling point of 150 to 220° C., a second solvent composed of at least one selected from 1,2-hexanediol and 1,2-pentanediol, and a third solvent composed of a glycol having a boiling point of 170 to 220° C. and conducting two drying steps at different heating conditions. | 09-29-2011 |
20110234728 | INK JET RECORDING PROCESS - Recording onto a non-ink-absorbing recording medium is performed using an aqueous ink composition containing a first solvent composed of at least one selected from 2-pyrrolidone, 1,3-dimethyl-imidazolidinone, and N,N′-dimethylpropylene urea, a second solvent composed of at least one selected from 1,2-hexanediol and 1,2-pentanediol, and a third solvent composed of at least one selected from glycol diethers and heating the non-ink-absorbing recording medium at 40 to 60° C. | 09-29-2011 |
20120249705 | INK JET RECORDING METHOD - An ink jet recording method includes heating an ink non-absorbent or low ink-absorbing recording medium to a temperature of 40° C. to 110° C. and performing recording using an aqueous ink composition containing a water-insoluble colorant, a paraffin wax, resin particles, and water. | 10-04-2012 |
20130293651 | INKJET RECORDING METHOD - An inkjet recording method for printing by ejecting droplets of a water-based ink composition onto a recording medium having a recording surface which is a plastic film and by causing the droplets to adhere to the recording surface, including: using, as the water-based ink composition, a water-based ink composition including at least colorant, between 0.1 wt % and 1.5 wt % of a silicon-based surfactant, alkanediol, pyrrolidone derivative, thermoplastic resin, and water; and heating the water-based ink composition that has adhered to the recording surface to a temperature of 40° C. or higher. | 11-07-2013 |
Patent application number | Description | Published |
20110200797 | TREATMENT LIQUID FOR PLASTIC FILM, PRIMER LIQUID FOR PRINTING, INK COMPOSITION, AND METHOD FOR INK JET RECORDING USING THEM - This invention provides a treatment liquid for an ink jet recording medium having a recording face of a plastic film, wherein the treatment liquid including at least a specific cyclic ester compound or a specific cyclic amide compound, a primer liquid for printing, and an ink composition. According to the present invention, a plastic recorded matter possessing excellent adhesion and waterfastness can be formed on a recording medium having a recording face of a plastic film. | 08-18-2011 |
20110200798 | TREATMENT LIQUID FOR PLASTIC FILM, PRIMER LIQUID FOR PRINTING, INK COMPOSITION, AND METHOD FOR INK JET RECORDING USING THEM - This invention provides a treatment liquid for an ink jet recording medium having a recording face of a plastic film, wherein the treatment liquid including at least a specific cyclic ester compound or a specific cyclic amide compound, a primer liquid for printing, and an ink composition. According to the present invention, a plastic recorded matter possessing excellent adhesion and waterfastness can be formed on a recording medium having a recording face of a plastic film. | 08-18-2011 |
20110200799 | TREATMENT LIQUID FOR PLASTIC FILM, PRIMER LIQUID FOR PRINTING, INK COMPOSITION, AND METHOD FOR INK JET RECORDING USING THEM - This invention provides a treatment liquid for an ink jet recording medium having a recording face of a plastic film, wherein the treatment liquid including at least a specific cyclic ester compound or a specific cyclic amide compound, a primer liquid for printing, and an ink composition. According to the present invention, a plastic recorded matter possessing excellent adhesion and waterfastness can be formed on a recording medium having a recording face of a plastic film. | 08-18-2011 |
20130101810 | TREATMENT LIQUID FOR PLASTIC FILM, PRIMER LIQUID FOR PRINTING, INK COMPOSITION, AND METHOD FOR INK JET - This invention provides a treatment liquid for an ink jet recording medium having a recording face of a plastic film, wherein the treatment liquid including at least a specific cyclic ester compound or a specific cyclic amide compound, a primer liquid for printing, and an ink composition. According to the present invention, a plastic recorded matter possessing excellent adhesion and waterfastness can be formed on a recording medium having a recording face of a plastic film. | 04-25-2013 |
20140098158 | TREATMENT LIQUID FOR PLASTIC FILM, PRIMER LIQUID FOR PRINTING, INK COMPOSITION, AND METHOD FOR INK JET RECORDING USING THEM - This invention provides a treatment liquid for an ink jet recording medium having a recording face of a plastic film, wherein the treatment liquid including at least a specific cyclic ester compound or a specific cyclic amide compound, a primer liquid for printing, and an ink composition. According to the present invention, a plastic recorded matter possessing excellent adhesion and waterfastness can be formed on a recording medium having a recording face of a plastic film. | 04-10-2014 |
Patent application number | Description | Published |
20080198512 | PERPENDICULAR MAGNETIC RECORDING MEDIUM AND MANUFACTURING METHOD THEREOF, MAGNETIC RECORDING APPARATUS - A perpendicular magnetic recording medium comprises a soft-magnetic backing layer formed on a substrate, an orientation control layer formed on the soft-magnetic backing layer, a first foundation layer of a continuous film of Ru or a Ru alloy formed on the orientation control layer, a second foundation layer including a plurality of crystal grains of Ru or a Ru alloy formed on the first foundation layer with a gap separating the plurality of crystal grains from each other, and a recording layer including a plurality of magnetic particles formed on the second foundation layer respectively in correspondence to the plurality of crystal grains, each of the magnetic particles having an easy axis of magnetization in a direction generally perpendicular to a substrate surface, and a non-magnetic grain boundary phase isolating said plurality of magnetic particles from each other, wherein the first foundation layer comprises a plurality of crystal grains formed in contact with each other at respective grain boundaries, one of the plurality of crystal grains constituting the second foundation layer being formed in correspondence to one of the plurality of crystal grains constituting the first foundation layer, and wherein there are provided a plurality of nuclei at an interface between the crystal grain of the second foundation layer corresponding to the one crystal grain of the plurality of crystal grains constituting the first foundation layer and the orientation control layer. | 08-21-2008 |
20080206601 | PERPENDICULAR MAGNETIC RECORDING MEDIUM AND METHOD OF MANUFACTURING THE SAME - A perpendicular magnetic recording medium includes a substrate, a first underlayer formed over the substrate and formed of ruthenium or a ruthenium alloy with crystal grains growing approximately perpendicular to the substrate and isolated from one another in an in-plane direction by a first air gap, a recording layer placed over the first underlayer and formed of magnetic crystal grains growing approximately perpendicular to the substrate and isolated one another in the in-plane direction by a second air gap, and a grain size dispersion preventing layer inserted between the recording layer and the first underlayer, the grain size dispersion preventing layer including crystal grains of a cobalt-based alloy growing approximately perpendicular to the substrate and an oxide isolating the crystal grains of the cobalt-based alloy from one another in the in-plane direction. | 08-28-2008 |
20080292908 | PERPENDICULAR MAGNETIC RECORDING MEDIUM, METHOD OF MANUFACTURING PERPENDICULAR MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING APPARATUS - A perpendicular magnetic recording medium having a substrate, a soft magnetic buffer layer formed on the substrate, an Ru/Ru alloy underlayer formed on the soft magnetic buffer layer, the Ru/Ru alloy underlayer including Ru or a Ru alloy, a recording layer formed on the Ru/Ru alloy underlayer, the recording layer including at least a layer including a plurality of magnetic particles having an easy axis oriented perpendicular to the substrate, and a non-magnetic material surrounding the plural magnetic particles, and a layered structure interposed between the soft magnetic buffer layer and the Ru/Ru alloy underlayer, the layered structure including at least an Ru/Ru alloy crystalline structure film including Ru or a Ru alloy, a first polycrystalline film including Ru or a Ru alloy, and a second polycrystalline film. | 11-27-2008 |
20090155626 | MAGNETIC RECORDING MEDIUM - According to an aspect of an embodiment, a magnetic recording medium includes: a soft magnetic underlayer disposed on a substrate; a foundation layer on the soft magnetic underlayer, the foundation layer including a plurality of Ru crystal grains isolated from each other at an upper portion of the foundation layer; a first magnetic layer including a plurality of magnetic crystal grains on the plurality of the Ru crystal grains of the foundation layer; and a second magnetic layer disposed on the plurality of magnetic crystal grains of the first magnetic layer, the second magnetic layer including a plurality of magnetic crystal grains having axes of easy magnetization in the direction perpendicular to the major surface of the substrate and nonmagnetic materials interposed between the crystal grains, the magnetic crystal grains of the first magnetic layer having a smaller grain size than those of the second magnetic layer. | 06-18-2009 |
Patent application number | Description | Published |
20090244655 | IMAGE READING DEVICES - The invention describes an image reading device having a housing, a transparent panel, an image sensor, a carriage, and an electric cable. The housing has a first, second, and third surface. The transparent panel defines a portion of the first surface. The image sensor extends in a first direction, and is mounted to the carriage and optically reads a document through the transparent panel while the carriage reciprocates in a second direction. The electric cable is electrically connected to the image sensor, and includes a band surface portion having a band surface and extending in a third direction intersecting the first and second direction. The electric cable also has a first end portion attached to the carriage; and a second end portion attached to the second surface. At least a portion of the electric cable is twisted such that the band surface and the third surface are not parallel. | 10-01-2009 |
20100078881 | AUTOMATIC SHEET TRANSPORTING APPARATUS, AND AUTOMATIC DOCUMENT SCANNING APPARATUS WITH THE AUTOMATIC SHEET TRANSPORTING APPARATUS - An automatic sheet transporting apparatus includes a transporting unit with a discharge roller, the transporting unit discharge a sheet onto a discharge tray configured that support discharged sheets in a stack. A discharge guide, positioned on an upstream side of the discharge tray in a sheet discharging direction, guides a subsequent sheet transported by the transporting unit to a position between the discharge tray and a bottom surface of a previously discharged sheet in the stack. The discharge tray includes at least one rotating member that rotates when the discharge guide guides the subsequent sheet between the discharge tray and the bottom surface of the previously discharged sheet in the stack. The frictional resistance applied to the subsequent sheet is reduced to increase the number of sheets that can be stacked in the discharge tray. | 04-01-2010 |
20110235082 | Multifunction Apparatus - A configuration for an image reading device, an image forming device or a multifunction apparatus may include systems and arrangements for routing electrical flexible flat cables to reduce potential damage and noise. The positioning and connection points between various other components including reading portions, hinge members, a control circuit board and the like may also be configured to reduce size, noise and potential for damage. | 09-29-2011 |
20140071503 | IMAGE READING APPARATUS - An image reading apparatus includes a housing, a tray, a conveyer, an image reader, a position detector, and a controller. The housing has a first introduction opening, a first discharge opening, a second introduction opening, and a second discharge opening. The tray is configured to connect to the housing movably between an open position and a close position relative to the housing. The tray is configured to cover the first introduction opening and to expose the second introduction opening and the second discharge opening at the close position. The conveyer is configured to convey the second medium from the second introduction opening to the second discharge opening. The conveyer is provided in the housing. The controller is configured to drive the conveyer when the tray is located at the close position. | 03-13-2014 |
20140293375 | Image Reading Apparatus - An image reading apparatus may include a conveyor. The conveyor may be configured to convey a first medium in a first conveyance direction along a first conveyance path and a second medium in a second conveyance direction along a second conveyance path. The image reading apparatus may include a reader. The reader may be configured to read image data from the first medium and the second medium. The image reading apparatus may include a movable guide. The movable guide may be disposed on a housing of the image reading apparatus. The movable guide may be configured to be moved to regulate a width of the second opening defined in a direction perpendicular to the second conveyance direction. | 10-02-2014 |
Patent application number | Description | Published |
20110122536 | POWER FEED CONTROL DEVICE - A branch wire L | 05-26-2011 |
20110122548 | ELECTRICITY FEEDING CONTROL DEVICE - An electricity feeding control device is provided with an air hole ( | 05-26-2011 |
20110148191 | POWER FEEDING CONTROL APPARATUS - A power feeding control apparatus includes a housing for accommodating at least a relay unit which opens and closes power feeding lines, a control circuit for controlling the relay unit, a leakage current detection circuit for detecting leakage current in the electric vehicle and a power supply circuit for generating a control electric power. The apparatus further includes a power source side connector and a vehicle side connector. The leakage current detection circuit includes a zero current transformer through which the power feeding lines extend and is configured to detect leakage current based on unbalanced currents flowing through the power feeding lines. Lead plates constitute a part of the power feeding lines and pass through a central opening of the zero current transformer, and the zero current transformer includes a positioning member molded within the central opening to fix the positions of the lead plates. | 06-23-2011 |
20110148355 | POWER FEEDING CONTROL APPARATUS - A power feeding control apparatus includes a housing for accommodating at least a relay unit arranged on power feeding lines to open and close the power feeding lines, a control circuit for controlling the relay unit, a leakage current detection circuit for detecting leakage current in an electric vehicle and a power supply circuit for generating a control electric power. The apparatus further includes a power source side connector removably connected to a socket of an external power source, a vehicle side connector removably connected to a power receiving connector of the electric vehicle and a first and a second board that the power supply circuit and the control circuit are mounted, respectively. A power feeding line block provided separately from the first and the second board and having metal plates constituting the power feeding lines. The metal plates are insertion-molded in the power feeding line block. | 06-23-2011 |
20110149455 | ELECTRIC VEHICLE CHARGING CORD SET - An electric vehicle charging cord set includes a housing containing an interrupting device therein and a first cord provided at one end with a plug connectable to an outlet installed on a wall surface of a building and at the other end connected to one of the terminal units of the interrupting device. An electric vehicle charging cord set further includes a second cord provided at one end with a connector connectable to an inlet of an electric vehicle and at the other end connected to the other of the terminal units of the interrupting device. The housing includes a storage unit for extendibly storing the second cord, a stand for placing the housing on a ground surface and a transportation handle. The storage unit includes a drum rotatably attached to the housing. The second cord is wound on the outer circumferential surface of the drum. | 06-23-2011 |
20110204849 | CHARGING CABLE, CHARGING CABLE UNIT, AND CHARGING SYSTEM FOR ELECTRIC VEHICLE - A charging cable for an electric vehicle includes a power plug adapted to be detachably connected to a power socket of a commercial power source; a temperature detecting unit for detecting a temperature of the power plug; a cable connector adapted to be detachably connected to an electric vehicle for supplying a charging current to a battery of the electric vehicle; and a switching unit for opening and closing a current path between the power plug and the cable connector. The charging cable further includes a leakage detecting unit for detecting an electric leakage based on a current flowing through the current path; and a power cutoff unit for opening the switching unit when the detected temperature of the temperature detection means exceeds a threshold value or when the leakage detection means detects the electric leakage. | 08-25-2011 |
Patent application number | Description | Published |
20100252159 | PNEUMATIC TIRE - A pneumatic tire has a unidirectional tread pattern comprising right-hand and left-hand crown circumferential grooves and a crown rib formed therebetween. The crown rib is provided with first and second V-shaped grooves arranged alternately in the tire circumferential direction. The first V-shaped grooves extend from the left-hand crown circumferential groove. The second V-shaped grooves extend from the right-hand crown circumferential groove. The first and second V-shaped grooves are terminated within the rib, and their V-shape configurations have bending points substantially positioned at the tire equator. | 10-07-2010 |
20100300594 | PNEUMATIC TIRE - A pneumatic tire comprises a tread portion, a pair of sidewall portions, a pair of bead portions, and a carcass extending between the bead portions through the tread portion and sidewall portions. The outer surface of the tire is provided in its region radially inside a maximum width position of the carcass with vent lines extending in a tire circumferential direction, wherein the vent lines include a radially inner first vent line and a radially outer second vent line. The area between the first vent line and second vent line is formed as a serrated area comprising a plurality of circumferentially spaced small ribs extending from the first vent line to the second vent line. The serrated area has deepest parts and shallowest parts. The shallowest parts are located inside the ridge of each of the vent lines, and the deepest parts are located at the same level as or outside a virtual tire outer surface. The virtual tire outer surface is defined as smoothly connecting a tire outer surface immediately radially inside the radially inner first vent line and a tire outer surface immediately radially outside the radially outer second vent line. | 12-02-2010 |
20130112325 | PNEUMATIC TIRE - A pneumatic tire has an asymmetric tread pattern. The width of an outboard shoulder main groove ( | 05-09-2013 |
20140174623 | PNEUMATIC TIRE - A pneumatic tire comprises at least one sidewall portion provided with a serration pattern on its outer surface, the serration pattern comprising a plurality of first groups being repeatedly arranged in the circumferential direction of the tire, each first group comprising a plurality of ridges which are arranged using gradually increasing pitches toward a first circumferential direction of the tire, wherein a region provided with the serration pattern on the outer surface of the sidewall portion has a radius of curvature in a range of not more than 70 mm in a cross section including a tire axis under a standard condition such that the tire is mounted on a standard rim and inflated to a standard pressure, but no tire load is loaded. | 06-26-2014 |
20150041037 | PNEUMATIC TIRE - A pneumatic tire comprises a sidewall portion provided in the outer surface with a serrated area defined by radially-extending circumferentially-arranged ridges. The serrated area has circumferentially-arranged groups each including: at least one first ridge being straight over the entire length; and a plurality of second ridges, circumferentially arranged side-by-side, and each provided with an irregular part and otherwise being straight. In each of the ridge groups, the irregular parts of the second ridges are gradually radially shifted so that the irregular parts are arranged along a line inclined with respect to a tire radial direction, and by the irregular parts, an oblique pattern is formed in the ridge group. | 02-12-2015 |
Patent application number | Description | Published |
20110102268 | ANTENNA - An antenna includes a base, a first radiating element, and second radiating element. The first radiating element is open at a first end thereof, is connected to a ground point at a second end thereof, and resonates in a substantially ¼ wavelength mode in a first communication frequency band. A feed line is connected between a first feed point and a predetermined position between the first end and the second end of the first radiating element. The second radiating element has a first end that is a second feed point, a second end that is connected to the ground point, and resonates in a substantially ½ wavelength mode in a second communication frequency band. A distance from the ground point to the second feed point is longer than a distance from the ground point to the first feed point. | 05-05-2011 |
20110187603 | DIELECTRIC ANTENNA AND WIRELESS COMMUNICATION DEVICE - A dielectric antenna and wireless communication device including the dielectric antenna includes a molded body formed of a composite material of dielectric ceramic and a resin, and a flexible substrate including a radiation electrode. The radiation electrode is excitable at frequencies of 500 MHz to 5 MHz. The composition ratio and the like of the molded body are determined so that the Q value (Qd) thereof due to dielectric loss falls within the range of about 500 to about 1500. | 08-04-2011 |
20120306703 | ANTENNA AND WIRELESS COMMUNICATION DEVICE - This disclosure provides an antenna and a wireless communication device that includes the antenna in which a high-order mode can be controlled while maintaining good radiation characteristics in both the fundamental mode and high-order mode. The antenna has a radiation electrode provided on a surface of a dielectric substrate and a branch electrode portion that branches from the radiation electrode portion at a branch point near the feeding port toward a vicinity of a position of the radiation electrode at which a maximum voltage of a high-order mode is generated. | 12-06-2012 |
20130021211 | ANTENNA AND MOBILE COMMUNICATION APPARATUS - This disclosure provides an antenna and mobile communication apparatus including an antenna, where the antenna includes a base member and a radiation electrode provided on the base member. The radiation electrode includes a feeding portion and an open end, and at least one phase control element provided between the feeding portion and the open end. With the length of the lengthwise direction of the base member taken as L, and with the wavelength on the base member of the usable frequency range taken as λ, L<λ/5. Through this configuration, it is possible to configure an antenna that can be disposed within a limited amount of space and that can obtain high radiation efficiency, and a mobile communication apparatus that includes the antenna and thus has high communication capabilities. | 01-24-2013 |
Patent application number | Description | Published |
20110134009 | MULTIBAND ANTENNA AND MOUNTING STRUCTURE FOR MULTIBAND ANTENNA - An antenna includes a first LC parallel circuit provided between a feeding element and a feeding circuit, and a second LC parallel circuit provided between a parasitic element and a ground. Multiple resonance frequencies of the feeding element including the feeding radiation electrode and the parasitic element including the parasitic radiation electrode are frequencies intermediate between a low operating frequency and a high operating frequency in a case where the impedances of the first and second LC parallel circuits are set to 0. The inductors of the LC parallel circuits cause the fundamental wave resonance frequencies of the feeding element and the parasitic element to shift to a an operating frequency band on the lower frequency side of the two operating frequency bands, and the capacitors of the LC parallel circuits cause the fundamental wave resonance frequencies of the feeding element and the parasitic element to shift to an operating frequency band on the higher frequency side of the two operating frequency bands. | 06-09-2011 |
20130176184 | WIRELESS COMMUNICATION DEVICE - A wireless communication device includes a flexible base material film, a flexible antenna conductor that is provided in substantially the entire region of one main surface of the flexible base material film and that includes a first radiation element and a second radiation element facing each other through a slit, an inductor substrate that is connected to the first radiation element and the second radiation element so as to extend across the slit, the inductor substrate including an inductance element, and a wireless IC element that is connected in parallel to the inductance element and that is mounted in the inductor substrate. The wireless IC element is connected to the first radiation element and the second radiation element so as to extend across the slit. | 07-11-2013 |
20130293356 | INSPECTION METHOD AND INSPECTION DEVICE FOR RFID TAG - An RFID tag inspection method includes the steps of transmitting a measurement signal from a reader/writer simultaneously to a plurality of RFID tags arrayed on a collective base member and configured to process radio signals, receiving response waves from the individual RFID tags in a batch by the reader/writer, and determining, based on strengths and a number of received signals read by the reader/writer, whether or not the individual RFID tags are acceptable. Thus, acceptance/rejection inspection can be performed on the plural RFID tags, which are arrayed on the collective base member, in a batch. | 11-07-2013 |
20130320098 | WIRELESS INTEGRATED CIRCUIT DEVICE AND METHOD OF MANUFACTURING THE SAME - A wireless IC device includes a base material sheet having a long-side direction and a short-side direction, an antenna element provided on a surface of the base material sheet and that includes two radiation portions extending in the long side direction with a predetermined gap therebetween and two connection portions located in a gap through which the two radiation portions oppose each other, a wireless IC element connected to the two connection portions via a conductive bonding material, and a resist layer that covers the two radiation portions and does not cover the two connection portions and at least areas adjacent to the connection portions in the short-side direction. | 12-05-2013 |
20140232532 | INSPECTION METHOD AND INSPECTION DEVICE FOR RFID TAG - An RFID tag inspection method includes the steps of transmitting a measurement signal from a reader/writer simultaneously to a plurality of RFID tags arrayed on a collective base member and configured to process radio signals, receiving response waves from the individual RFID tags in a batch by the reader/writer, and determining, based on strengths and a number of received signals read by the reader/writer, whether or not the individual RFID tags are acceptable. Thus, acceptance/rejection inspection can be performed on the plural RFID tags, which are arrayed on the collective base member, in a batch. | 08-21-2014 |
20140319230 | ANTENNA MODULE - An antenna module includes an antenna element including coil patterns and via conductors coupling together two adjacent two coil patterns. At least one of the coil patterns has a spiral shape, is wound three or more turns parallel or substantially parallel to an outer edge of a principal surface of a multilayer body, includes a first partial pattern including an outer end portion, a second partial pattern extending parallel or substantially parallel with the first partial pattern and being adjacent to the first partial pattern with a first gap provided therebetween, and a third partial pattern extending parallel or substantially parallel with the second partial pattern and being adjacent to the second partial pattern with a second gap provided therebetween, the second gap being smaller than the first gap. | 10-30-2014 |
20150060555 | ANTENNA MODULE - An antenna module includes a base including two opposing mounting surfaces, an antenna coil provided on or in the base so as to define an opening, the antenna coil having a shape that is symmetrical or substantially symmetrical with respect to a reference plane, and an IC chip and a plurality of electronic components mounted on one of the mounting surfaces and electrically coupled to the antenna coil, the IC chip and the electronic components being arranged inside the opening when viewed in plan from a normal direction of the mounting surface. At least two of the plurality of electronic components are arranged so as to be symmetrical or substantially symmetrical to each other with respect to the reference plane when viewed in plan from the normal direction. | 03-05-2015 |
20150087362 | COMMUNICATION TERMINAL DEVICE - A communication terminal device includes a UHF-band RFID system including a wireless IC element for UHF-band RFID and a loop-shaped conductor coupled to the wireless IC element for UHF-band RFID, and a UHF-band mobile communication system including a wireless IC element for UHF-band mobile communication and an antenna conductor coupled to the wireless IC element for UHF-band mobile communication. The loop-shaped conductor and the antenna conductor are closely adjacent to each other. The loop-shaped conductor is electromagnetically coupled to a portion of the antenna conductor. | 03-26-2015 |
Patent application number | Description | Published |
20110074323 | MULTI-PHASE ROTARY MACHINE CONTROL APPARATUS AND ELECTRIC POWER STEERING SYSTEM USING THE SAME - A failure identification part identifies a switching element pair having off-failure, in which a FET of the switching element pair in a first inverter part is disabled to turn on. A failure-time control part controls other switching element pairs and of the first inverter part based on failure-time phase current command values calculated as a function of a rotation position and a q-axis current command value. The failure-time control part controls a second inverter part normally. A motor is persistently driven with the minimum reduction in motor torque, even when the FET fails. | 03-31-2011 |
20110087456 | ROTATION ANGLE DETECTION DEVICE AND ELECTRIC POWER STEERING SYSTEM - Bridge circuits have half bridges formed of sensor elements, which vary respective impedances in accordance with a rotating magnetic field generated by a rotary object. A control unit acquires output signals produced from intermediate points of the half bridges, and calculates a rotation angle of the rotary object based on the output signals. The control unit determines that the output signal is abnormal, if a calculation value of the output signal calculated based on at least four output signals is outside a predetermined range. The control unit thus determines which one of the output signals has become abnormal due to failure or the like. | 04-14-2011 |
20110290580 | Motor drive apparatus and electric power steering system using the same - A motor drive apparatus includes a control circuit, which determines that a wire connecting a battery to a first power supply relay and a second power supply relay is broken, and not failure of the power supply relays, if power is not supplied to a motor from the power supply relays when the power supply relays are controlled to turn on. The location of failure can thus be specified accurately. It is only necessary in this case to replace the wire. The motor drive apparatus need not be disassembled or investigated in detail. Man-power for specifying the failure location can be reduced. | 12-01-2011 |
20110303479 | Steering control apparatus - A steering control apparatus acquires vibration torque, which is generated by vibration of a gear mechanism when a steering wheel is operated at a steering angle. By setting the acquired vibration torque as a torque difference, an EPS motor current command value is corrected based on the torque difference thereby to calculate a corrected EPS motor current command value. Rattling and vibration caused in the gear mechanism are suppressed from being transferred to the steering wheel through an input shaft so that a driver is released from uncomfortable feeling. | 12-15-2011 |
20110313620 | Steering control apparatus - A VGRS device checks whether assist control of an EPS device for assisting steering operation of a steering wheel is being stopped. If the assist control of the EPS device is being stopped, a speed increase ratio is determined so that the rotation angle of the output shaft is less than the rotation angle of the input shaft. A VGRS motor is controlled and driven based on a determined speed increase ratio. Thus, steering operation of the steering wheel can be controlled appropriately so that the steering operation of the steering wheel can be continued with relatively small torque. It is less likely that a driver will erroneously feel that the steering wheel is locked. | 12-22-2011 |
20120035810 | Steering control apparatus - In a steering control apparatus, a worm gear is configured to have a lead angle for a self-lock operation, by which a worm wheel is allowed to rotate by rotation of a worm but the worm is not allowed to rotate by rotation of the worm wheel. Thus, a lock mechanism need not be provided separately from a gear mechanism and the apparatus is reduced in entire size. A VGRS control part checks whether the worm gear has a self-lock failure, which disables the self-lock operation. If the worm gear has the self-lock failure, idling suppression processing is performed to suppress idling of a steering wheel. Thus, even when the self-lock failure arises, the steering wheel is suppressed from idling. | 02-09-2012 |
20120055730 | Steering control apparatus - A steering control apparatus has a variable gear ratio device and a power steering device. If abnormality arises in the VGRS device, an EPS motor is controlled based on a steering wheel angle and a speed increase ratio. Thus, vehicle wheels are controlled appropriately when abnormality arises in the VGRS device. Steered angle of the vehicle wheels relative to the steering wheel angle is not changed between before and after occurrence of abnormality in the VGRS device. As a result, movement of a vehicle does not deviate from the steering wheel angle and feeling of discomfort in steering a vehicle can be reduced. | 03-08-2012 |
20120111658 | VEHICULAR STEERING CONTROL APPARATUS - A vehicular steering control apparatus has a steering direction control device and a reaction force application device. The steering direction control device controls a steering angle of steered wheels by controlling a steering direction control motor based on a steering wheel angle. The reaction force application unit is provided more closer to a steering wheel than the steering direction control device is and has a differential reduction unit and a reaction force application motor. The differential reduction unit transfers rotation of an input shaft to an output shaft. The reaction force application motor drives the differential reduction unit. The steering wheel and the steered wheels are normally linked mechanically, so that no fail-safe device is needed. | 05-10-2012 |
20120330510 | STEERING CONTROL SYSTEM - In a steering control system, an ECU calculates a basic assist torque in accordance with a steering torque detected by a torque sensor, and a corrected assist torque by correcting the calculated basic assist torque in accordance with the position of a rack by making corrections so that the basic assist torque decreases when the rack moves from a predetermined first position, which is close to a first end of a movable range, to the first end or from a predetermined second position, which is close to a second end of the movable range, to the second end. The ECU determines either the basic assist torque or the corrected assist torque as the assist torque in accordance with the position of the rack. The ECU controls the drive of an actuator in accordance with the determined assist torque. | 12-27-2012 |
20120330511 | STEERING CONTROL SYSTEM - In a steering control system, an ECU calculates a basic transfer ratio in accordance with a steering angle detected by a steering angle sensor or a corrected transfer ratio by correcting the calculated basic transfer ratio in accordance with the position of a rack. The corrected transfer ratio decreases when the rack moves from a predetermined first position close to one end of a movable range, to the one end or from a predetermined second position close to the other end of the movable range, to the other end. The ECU determines either the basic transfer ratio or the corrected transfer ratio as the transfer ratio in accordance with the position of the rack. The ECU controls an actuator for a variable gear ratio system in accordance with the transfer ratio. | 12-27-2012 |
20130184937 | VEHICULAR POWER SUPPLY SYSTEM - In a vehicular power supply system, a main battery supplies electric power to both main machine drive circuit, which drives a main motor for driving a vehicle, and a steering assist drive circuit, which drives a steering assist motor of a power steering apparatus. A main machine switching circuit, which is capable of shutting off power supply to the main machine drive circuit, and an auxiliary machine switching circuit, which is capable of shutting off power supply to the steering assist drive circuit are provided in parallel. As long as the auxiliary machine switching circuit is turned on, power supply to the steering assist drive circuit is continued even when the main machine switching circuit is turned off. | 07-18-2013 |
20130257328 | MOTOR DRIVE APPARATUS - When a failure detection part detects a failure in an inverter circuit in a first power supply system, a drive control part stops the inverter circuit from driving a motor. An on/off control part turns off a first power supply relay of a power supply on/off part. Under a state that the inverter circuit stops a motor driving operation, a first coil set of the motor generates an induced voltage by rotation caused by an external force. The induced voltage is regenerated to a battery from the inverter circuit through a second power supply relay and a parasitic diode of the first power supply relay. Thus, circuit elements in the power supply system, which is failing, are protected from breaking down. | 10-03-2013 |
20140019505 | TRANSFER FUNCTION ESTIMATION APPARATUS, METHOD AND PROGRAM - An apparatus for estimating a transfer function of at target object having divided systems is disclosed. The apparatus acquires an estimation equation to estimate the transfer function of the target object, and determines, for each arithmetic operation in the estimation equation, whether the arithmetic operation is an addition or a multiplication. For the multiplication, the apparatus performs the multiplication of frequency response characteristics in the frequency domain. For addition, the apparatus converts the frequency response characteristics into time response characteristics, performs the addition of the time response characteristics in the time domain, and reconverts a result of the addition into the frequency domain. | 01-16-2014 |
20140035491 | CONTROL APPARATUS OF ROTATING DEVICE - In a control apparatus of a rotating device, a voltage command value setting section sets terminal command values on the basis of a command value of a control amount of the rotating device. Individual correcting sections calculate feedback operation amounts on the basis of history information of electric currents flowing in respective terminals of the rotating device and corrects the terminal voltage command values with the feedback operation amounts. A prohibiting section prohibits difference corresponding amounts, which correspond to differences of the feedback operation amounts and an average of the feedback operation amounts, from being reflected in correcting the terminal voltage command values with maintaining polarities when a determining section determines that it is a switching time from one of a power-running control and a regeneration control to the other. | 02-06-2014 |
20140046548 | CONTROL SYSTEM AND VEHICLE STEERING CONTROL SYSTEM - A control system calculates inputs to a control target that has m inputs and n outputs (m=n, each of m and n is a natural number that is more than one), while designating a plurality of combinations of the inputs and the outputs. A feedback controller calculates, with respect to each designated combination, a control input to a non-interference controller based on a difference between a target value and a current value of the control quantity to make the current value follow the target value. The non-interference controller executes, with respect to each designated combination, a non-interference control to reduce influence due to mutual interference between n control quantities. This reduces the number of combinations of the inputs and the outputs, the combinations whose mutual interference needs considering; thereby, the non-interference control may be easily achieved. | 02-13-2014 |
20140360803 | STEERING CONTROLLER - A control section of a steering controller calculates a steer angle which is a turning angle of a first column shaft based on a first detection value detected by a steer angle sensor, and calculates a second shaft turning angle which is a turning angle of a second column shaft based on a second detection value detected by a second shaft rotation angle sensor. A steering torque detection value is calculated based on a third detection value detected by a torque sensor. An abnormality determination part determines abnormalities of the steering torque detection value based on the steer angle and the second shaft turning angle. Thereby, abnormalities of the steering torque detection value are detected without multiplexing the steering torque detection value. Further, if the steering torque detection value is multiplexed, an abnormal steering torque detection value can be specifically identified. | 12-11-2014 |
Patent application number | Description | Published |
20110156623 | MOTOR DRIVE APPARATUS AND POWER STEERING APPARATUS USING THE SAME - In a motor drive apparatus having two power supply systems for a motor, output phase currents supplied from inverters and detected by current sensors are added. Sums of the phase currents are fed back to a 3-2 phase conversion section and converted into a d-axis current and a q-axis current. A 2-3 phase conversion section outputs the same three-phase voltage command values to the inverters. Thus, the 3-2 phase conversion section and the 2-3 phase conversion section are both reduced to 1 in number, which is less than 2 of the inverters. | 06-30-2011 |
20110156626 | MOTOR DRIVING DEVICE, ELECTRIC POWER STEERING DEVICE USING THE SAME AND METHOD FOR DETECTING FAILURE IN THE SAME - A voltage application unit applies voltage to windings of a motor without passing though an inverter unit. A first detection unit detects a short circuit failure in switching elements of the inverter unit based on a terminal voltage between each of the switching elements and a corresponding winding and a power voltage of a power supply. Before rotation of the motor, when no short circuit failure is detected and when a switching unit switches at least one of the high and low potential-side switching elements of the inverter unit on and subsequently switches all the switching elements off, a second failure detection unit determines whether the switching unit is incapable of rendering the switching element non-conductive based on the terminal voltage and the power voltage. | 06-30-2011 |
20110156627 | MOTOR DRIVE AND ELECTRIC POWER STEERING APPARATUS USING THE SAME - In a multi-system motor drive apparatus, a power supply relay is interrupted when a first power supply system fails at time t | 06-30-2011 |
20110156629 | ELECTRIC POWER STEERING DEVICE - An electric power steering device includes: an electric power source for supplying first current; a controller for setting a current instruction value; multiple electric power converters for converting the first current to second current corresponding to the current instruction value; multiple pairs of windings for generating a driving force of a motor; and a failure detection element for detecting failure of the electric power converters and the windings. The controller reduces the current instruction value to be equal to or smaller than a predetermined instruction value of a normal operation when the failure detection element detects the failure. The controller controls the electric power converter in a normal state to supply the second current to a corresponding winding. | 06-30-2011 |
20110163708 | MOTOR DRIVE APPARATUS AND ELECTRIC POWER STEERING APPARATUS USING THE SAME - A motor drive apparatus drives a motor by a first motor drive part and a second motor drive part. The first motor drive part includes a first inverter for supplying current to a first winding set. The second motor drive part includes a second inverter for supplying current to a second winding set. A control unit starts to supply currents to the first winding set and the second winding set at the same time after waiting for completion of all failure detection processing with respect to each of the first motor drive part and the second motor drive part. | 07-07-2011 |
20110204839 | MOTOR DRIVE APPARATUS AND ELECTRIC POWER STEERING APPARATUS USING THE SAME - A motor drive apparatus has a plurality of motor drive parts and a control unit. The control unit performs first and second failure detection processing for the motor drive parts before starting to drive the motor. If the first motor drive part is determined to have failure by the first failure detection processing, a first power supply relay for the first motor drive part is turned off and the second failure detection processing for the first motor drive part is inhibited. If the second motor drive part is determined to have no failure by the first failure detection processing and then by the second failure detection processing, the motor is started to operate. | 08-25-2011 |
Patent application number | Description | Published |
20080275623 | Air-fuel ratio controller for an internal combustion engine and diagnosis apparatus for intake sensors - A computer calculates an estimated cylinder-intake-air amount based on outputs from an airflow meter and a throttle position sensor, and then calculates a reference cylinder-intake-air amount based on an air-fuel ratio in an exhaust gas and fuel injection amount. An error of the estimated cylinder-intake-air amount is calculated by comparing the reference cylinder-intake-air amount with an estimated cylinder-intake-air amount base value. The error is low-pass filtered. The estimated cylinder-intake-air amount base value is corrected to obtain the final estimated cylinder-intake-air amount. | 11-06-2008 |
20090139213 | ABNORMALITY DIAGNOSIS DEVICE OF INTERNAL COMBUSTION ENGINE - A deviation amount of a downstream air-fuel ratio sensed with a downstream air-fuel ratio sensor, which senses an air-fuel ratio of exhaust gas downstream of a catalyst, from a target air-fuel ratio is integrated during a period in which the downstream air-fuel ratio continuously shows deviations from the target air-fuel ratio while main feedback control and sub feedback control are performed based on outputs of an upstream air-fuel ratio sensor and the downstream air-fuel ratio sensor respectively. The thus-calculated continuous deviation amount of the downstream air-fuel ratio (deterioration degree of exhaust gas purification rate) is compared with an abnormality determination value to determine existence/nonexistence of an abnormal state where the exhaust gas purification rate is deteriorated by an air-fuel ratio variation among cylinders (i.e., state where control center of main feedback control has shifted). | 06-04-2009 |
20090314071 | ABNORMALITY DIAGNOSIS APPARATUS FOR INTERNAL COMBUSTION ENGINE - An alcohol concentration sensor detecting alcohol concentration of fuel is provided in a fuel tank or a fuel passage. An alcohol concentration detected at a previous driving of an engine is stored in a backup RAM. When a current alcohol concentration is different from the previous alcohol concentration, a procedure of an abnormality diagnosis is prohibited or invalidated until all of the fuel remaining in the fuel passage is consumed. | 12-24-2009 |
20150068505 | CYLINDER-BY-CYLINDER AIR-FUEL-RATIO CONTROLLER FOR INTERNAL COMBUSTION ENGINE - An air-fuel-ratio of each cylinder is estimated based on a detection value of an air-fuel-ratio sensor. An air-fuel-ratio detection timing determination is executed to determine whether a deviation in air-fuel-ratio detection timing exists based on the estimated air-fuel-ratio while the cylinder-by-cylinder air-fuel-ratio control is performed. An observation residual is computed based on the detection value of the air-fuel-ratio sensor and the estimated air-fuel-ratio. When the observation residual is greater than or equal to a specified threshold value, the air-fuel-ratio detection timing determination is prohibited. Therefore, when the observation residual is still large before the estimated air-fuel-ratio of each cylinder is converged, or when the observation residual is still large due to a temporal deterioration in estimating accuracy of the estimated air-fuel-ratio, the air-fuel-ratio detection timing determination can be prohibited. | 03-12-2015 |
20150075507 | CYLINDER-BY-CYLINDER AIR-FUEL-RATIO CONTROLLER FOR INTERNAL COMBUSTION ENGINE - An ECU executes a cylinder-by-cylinder air-fuel-ratio control in which an air-fuel-ratio of each cylinder is estimated based on a detection value of an air-fuel-ratio sensor to adjust the air-fuel-ratio of each cylinder. Further, the ECU computes a learning value of a correction quantity for each cylinder, which is obtained by executing the cylinder-by-cylinder air-fuel-ratio control. Then, the ECU determines whether the estimated air-fuel-ratio has converged according to whether the estimated air-fuel-ratio of each cylinder has been closer to a target value than a specified value for not less than a specified time period. A computation of the learning value is prohibited until the estimated air-fuel-ratio has converged. Therefore, it can be avoided to compute the learning value based on the fuel correction quantity that is obtained when the estimated air-fuel-ratio has not converged yet. | 03-19-2015 |
Patent application number | Description | Published |
20090213130 | DISPLAY DEVICE - In a display device provided with a frame memory developing an auxiliary line image as a display image and a means of reading out and displaying the image data developed in the aforementioned frame memory, the aforementioned auxiliary line image is constituted by background pixels and dashed auxiliary lines constituted by pixels which have luminance or color that is different from that of the background color and pixels with have nearly identical luminance or color to that of the background color; and by carrying out the display of the dashes so as to move, at fixed time intervals or arbitrary time intervals, the dash display areas of the aforementioned auxiliary lines on the trajectory of the figure described by the aforementioned auxiliary lines, the system is devised to display the auxiliary lines while controlling that an identical pixel of the display device is not displayed continually. | 08-27-2009 |
20100245685 | PROJECTION TYPE TABLE DISPLAY - In the usage of table projection of a projection type display, depending upon a sitting position of a participant of a conference, the participant views an image projected upon a table as an inversion image turned upside down, resulting in poor visual recognition. In order to improve visual recognition, images are rotated, synthesized and displayed in accordance with the viewing direction of each participant. More specifically, the projection type display is provided with a two-image synthesizing unit for synthesizing two images obtained by processing an input image by two image rotation units for rotating the input image by a first angle and a second angle different from the first angle, into one image on a screen. The projection type display is also provided with an image rotation unit and an image inversion unit for two-image display on a screen. | 09-30-2010 |
20140307000 | DISPLAY DEVICE - In a display device provided with a frame memory developing an auxiliary line image as a display image and a means of reading out and displaying the image data developed in the aforementioned frame memory, the aforementioned auxiliary line image is constituted by background pixels and dashed auxiliary lines constituted by pixels which have luminance or color that is different from that of the background color and pixels with have nearly identical luminance or color to that of the background color; and by carrying out the display of the dashes so as to move, at fixed time intervals or arbitrary time intervals, the dash display areas of the aforementioned auxiliary lines on the trajectory of the figure described by the aforementioned auxiliary lines, the system is devised to display the auxiliary lines while controlling that an identical pixel of the display device is not displayed continually. | 10-16-2014 |