Patent application number | Description | Published |
20100149261 | INK JET RECORDING HEAD AND METHOD FOR MANUFACTURING SAME - An ink jet recording head includes a recording element substrate and a supporting member. The recording element substrate has an energy generating element that generates energy used for discharging liquid. The supporting member has a plurality of supply paths that are through holes facilitating supplying liquid to the recording element substrate, and supports the recording element substrate. A first protrusion is provided on a surface of the supporting member in contact with adhesive for bonding the recording element substrate, and at each end in the longitudinal direction of each of partition walls formed between the plurality of supply paths. | 06-17-2010 |
20110209335 | METHOD FOR MANUFACTURING INK JET CARTRIDGE - A predetermined amount of an ink absorber, which is a fiber assembly in which intersections between fibers are not fused together, is charged into a compression and insertion apparatus. A rectangular parallelepiped-shaped insertion block is moved to an upper surface portion of the absorber, and one face of the ink absorber is pushed by a side plate. As such, a part excluding the part of the ink absorber which faces the side plate is compressed and surrounded. In this state, the ink absorber is compressed by the side plate. The ink absorber is inserted into a tank case by making a bottom plate slide, thereby opening the bottom face of the ink absorber and by moving down the insertion block. | 09-01-2011 |
20110211028 | INK JET CARTRIDGE AND MANUFACTURING METHOD OF INK JET CARTRIDGE - The ink jet cartridge includes a tank case that has a space having a opening, a lid that closes the opening, an ink accommodating section that is formed with the space of the tank case and the lid, and an ink absorber that is accommodated in the ink accommodating section. Also, an atmosphere communication port that passes through the lid and a projection section that projects to the space of the tank case are provided in the lid. The ink absorber consists of a fiber aggregate, and a welding section in which the fibers are combined to each other and an unwelded section in which the fibers are not combined to each other are provided on a surface that faces the lid. | 09-01-2011 |
Patent application number | Description | Published |
20100212933 | COAXIAL CABLE AND METHOD OF MAKING THE SAME - The present invention provides a small-diameter coaxial cable in which the same electrical and mechanical characteristics as in the prior art can be maintained and costs do not increase. The coaxial cable comprises a central conductor including three twisted wires and having a cross-sectional area of 0.005 mm | 08-26-2010 |
20110036613 | ELECTRONIC WIRE AND METHOD OF MANUFACTURING THE SAME - To provide an electronic wire having a diameter reduced while ensuring an excellent abrasion resistance and a method of manufacturing the electronic wire. | 02-17-2011 |
20140069683 | MULTI-CORE CABLE - One embodiment is related to a multi-core cable. The multi-core cable includes: plural electric wire units in each of which plural coaxial electric wires or insulated electric wires are bundled; and a sheath collectively covering the electric wire units. The electric wire units are arranged so as to form plural layers around a center of the multi-core cable. And, each of the layers is stranded in the same direction at an equal pitch. | 03-13-2014 |
20140238722 | MULTI-CORE CABLE AND ITS MANUFACTURING METHOD - One embodiment provides a multi-core cable including: first insulated wires; second insulated wires; coaxial wire pairs; and a sheath. The second insulated wires are smaller in diameter than the first insulated wires. The coaxial wire pairs are provided in an even number of pairs. The first insulated wires and the coaxial wire pairs are arranged close to each other on a single circle in a cross section, and the second insulated wires are disposed thereinside. The first insulated wires, the second insulated wires and the coaxial wire pairs are wholly twisted, and then, wholly covered by the sheath. | 08-28-2014 |
20140338969 | OPTICAL-ELECTRICAL COMPOSITE CABLE - An optical-electrical composite cable | 11-20-2014 |
20150083457 | COAXIAL CABLE - A coaxial cable includes a central conductor, a fluororesin insulation, and outer conductor and a jacket covering the outer conductor. The central conductor has three single element twisted wires. The central conductor has an outer diameter and the three single element twisted wires having a predetermined twist pitch. The fluororesin insulation covers the central conductor such that all of the twisted single element wires of the central conductor contact the fluororesin insulation. The fluororesin insulation is a non-foam insulation material. A series of voids are defined between portions of the central conductor and an inner surface of the fluororesin insulation. The outer conductor is disposed on the external periphery of the insulation. The adhesive force between the central conductor and the insulation, and a breaking strength of the central conductor have the following relationship: adhesive force ≦⅓ breaking strength. | 03-26-2015 |
20150083458 | MULTI-CORE CABLE - In a multi-core cable | 03-26-2015 |
20150096785 | MULTICORE CABLE - One embodiment provides a multicore cable in which plural coaxial cable pairs are collected. Each coaxial cable pair is formed by twisting together or arranging in parallel two coaxial cables. Each coaxial cable includes a center conductor and an insulator covering the center conductor. The center conductor is a strand of nineteen or more wires or a single wire. | 04-09-2015 |
20160035459 | MULTI-CORE CABLE AND METHOD OF MANUFACTURING THE SAME - In a multi-core cable in which a plurality of small-diameter cables are gathered and a periphery of these small-diameter cables is covered with a shield layer and a periphery of the shield layer is covered with a sheath, the shield layer is formed by braiding a plurality of twisted wires formed by twisting two or three wires, and a twist pitch of the wires is values from 20 to 50 times (both inclusive) an outside diameter of the twisted wire. | 02-04-2016 |
Patent application number | Description | Published |
20100051454 | MAGNETRON SPUTTERING ELECTRODE, AND SPUTTERING APPARATUS PROIDED WITH MAGNETRON SPUTTERING ELECTRODE - In a magnetron sputtering apparatus an arrangement is made such that the peripheral portion of a target is uniformly eroded to attain a high efficiency in target utilization and, in addition, that an abnormal discharging hardly occurs to thereby enable satisfactory thin film forming. A magnet assembly is provided behind a target that is disposed opposite to the process substrate. This magnet assembly has a central magnet that is disposed linearly along the longitudinal direction, and a peripheral magnet that is disposed so as to enclose the periphery of the central magnet, while changing the polarity on the side of the target. At this time, among the respective magnetic fluxes generated between the central magnet and the peripheral magnet at the longitudinally end portions of the magnet assembly, the position at which the vertical component of the magnetic field becomes zero is locally shifted to the central magnet within a certain range. | 03-04-2010 |
20110180394 | SPUTTERING METHOD AND SPUTTERING APPARATUS - There is provided a sputtering method in which abnormal discharging due to charge-up of a to-be-processed substrate is restrained and in which a good transparent conductive film can be formed on a to-be-processed large-area substrate. Out of a plurality of targets disposed side by side with, and at a predetermined distance from, one another so as to lie opposite to the to-be-processed substrate inside a sputtering chamber, electric power is applied, by alternately changing polarity at a predetermined frequency, to the targets that form respective pairs. Each target is thus alternately switched to anode electrode and cathode electrode. Glow discharge is thus generated between the anode electrode and the cathode electrode to thereby form plasma atmosphere, whereby each target is sputtered. During sputtering, electric power application to each of the targets is intermittently stopped. | 07-28-2011 |
Patent application number | Description | Published |
20090162122 | Image forming apparatus - An image forming apparatus capable of performing a double-side printing process is described. The transportation efficiency and the productivity can be improved by narrowing the distance between adjacent print sheets for use in absorbing the disparity in the transportation of print sheets. The image forming apparatus includes a switchback route which is connected to a circulating transportation route CR as a branch, receives a print sheet from the circulating transportation route CR, moves the print sheet backwards and forwards, and return the print sheet to the circulating transportation route CR in order to reverse the print sheet; a scheduling unit | 06-25-2009 |
20090278304 | Printing apparatus capable of handling paper size error - In a printing apparatus, even when the measured paper size differs from the scheduled size, it is possible to reduce the frequency of requiring a recovery procedure, and prevent the productivity from decreasing by continuing the operation of the printing apparatus as much as possible. The printing apparatus includes a paper feeding unit for feeding a print sheet from a paper feed tray | 11-12-2009 |
20100237557 | Printing machine and feeding method for printing machines - Configuration with paired register rollers cooperative with a downstream head unit on a circulation route to register a print sheet, a feed route extending up to the register rollers, and feeder elements controllable for a downstream feed of print sheet along part of the feed route to the register rollers, the feeder elements being controllable for a change of feed speed or acceleration in accordance with information on a back tension of a print sheet on the circulation route. | 09-23-2010 |
Patent application number | Description | Published |
20100200930 | MANUFACTURING METHOD OF SEMICONDUCTOR DEVICE AND SEMICONDUCTOR DEVICE - An improvement is provided in a manufacturing yield of a semiconductor device including transistors in which gate insulating films have different thicknesses. After a high-breakdown-voltage insulating film is formed over a silicon substrate, a surface of the high-breakdown-voltage insulating film is abraded for a reduction in the thickness thereof so that a middle-breakdown-voltage insulating film is formed to be adjacent to the high-breakdown-voltage insulating film. The high-breakdown-voltage insulating film is formed by a thermal oxidation method so as to extend from an inside of the main surface of the silicon substrate to an outside thereof. The middle-breakdown-voltage insulating film is formed so as to be thinner than the high-breakdown-voltage insulating film. The high-breakdown-voltage insulating film is formed as the gate insulating film of a high-breakdown-voltage MIS transistor, while the middle-breakdown-voltage insulating film is formed as the gate insulating film of a middle-breakdown-voltage MIS transistor. | 08-12-2010 |
20100283108 | SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME - To provide a semiconductor device provided with an element isolation structure capable of hindering an adverse effect on electric characteristics of a semiconductor element, and a method of manufacturing the same. The thickness of a first silicon oxide film left in a shallow trench isolation having a relatively narrow width is thinner than the first silicon oxide film left in a shallow trench isolation having a relatively wide width. A second silicon oxide film (an upper layer) having a relatively high compressive stress by an HDP-CVD method is more thickly laminated over the first silicon oxide film in a lower layer by a thinned thickness of the first silicon oxide film. The compressive stress of an element isolation oxide film finally formed in a shallow trench isolation having a relatively narrow width is more enhanced. | 11-11-2010 |
20120329240 | MANUFACTURING METHOD OF SEMICONDUCTOR DEVICE AND SEMICONDUCTOR DEVICE - An improvement is provided in a manufacturing yield of a semiconductor device including transistors in which gate insulating films have different thicknesses. After a high-breakdown-voltage insulating film is formed over a silicon substrate, a surface of the high-breakdown-voltage insulating film is abraded for a reduction in the thickness thereof so that a middle-breakdown-voltage insulating film is formed to be adjacent to the high-breakdown-voltage insulating film. The high-breakdown-voltage insulating film is formed by a thermal oxidation method so as to extend from an inside of the main surface of the silicon substrate to an outside thereof. The middle-breakdown-voltage insulating film is formed so as to be thinner than the high-breakdown-voltage insulating film. The high-breakdown-voltage insulating film is formed as the gate insulating film of a high-breakdown-voltage MIS transistor, while the middle-breakdown-voltage insulating film is formed as the gate insulating film of a middle-breakdown-voltage MIS transistor. | 12-27-2012 |
20150221722 | SEMICONDUCTOR DEVICE WITH SHALLOW TRENCH ISOLATION - To provide a semiconductor device provided with an element isolation structure capable of hindering an adverse effect on electric characteristics of a semiconductor element, and a method of manufacturing the same. The thickness of a first silicon oxide film left in a shallow trench isolation having a relatively narrow width is thinner than the first silicon oxide film left in a shallow trench isolation having a relatively wide width. A second silicon oxide film (an upper layer) having a relatively high compressive stress by an HDP-CVD method is more thickly laminated over the first silicon oxide film in a lower layer by a thinned thickness of the first silicon oxide film. The compressive stress of an element isolation oxide film finally formed in a shallow trench isolation having a relatively narrow width is more enhanced. | 08-06-2015 |
Patent application number | Description | Published |
20140168698 | REMOTELY-OPERATED APPARATUS REMOTELY OPERATED BY EXTERNAL TERMINAL, REMOTE OPERATION SYSTEM INCLUDING THE SAME, AND RECORDING MEDIUM - A remotely-operated apparatus remotely operated by an external terminal notifies the external terminal of a first transition command when a server cooperation process which is a cooperation process with a server is performed. The first transition command is a command indicating that a display mode of the external terminal, in which a remote operation screen used for remotely operating the remotely-operated apparatus is displayed on a display part of the external terminal, should be changed from a transmitted image use mode in which a transmitted image screen is displayed to a browser use mode in which a browser screen is displayed. Further, the remotely-operated apparatus notifies the external terminal of a second transition command indicating that the display mode should be changed from the browser use mode to the transmitted image use mode when occurrence of a specific event inside or outside the remotely-operated apparatus is detected. | 06-19-2014 |
20150029551 | IMAGE FORMING APPARATUS, PRINT SYSTEM, AND RECORDING MEDIUM - An image forming apparatus constituting a print system includes a reception unit configured to receive a job, a determination unit configured to analyze job data of the job, and determine whether or not the job involves a storage job for performing data storage processing to a non-volatile storage unit of the image forming apparatus, an analysis unit, and a communication unit. In a case where the job is determined to involve the storage job, the analysis unit performs simplified analysis processing for obtaining list display information for displaying storage target data stored by the storage job prior to the data storage processing. When the communication unit receives a display request for displaying a list of jobs including the storage job from a second image forming apparatus, the communication unit transmits, to the second image forming apparatus, list information including information about the storage target data. | 01-29-2015 |
20160077774 | IMAGE PROCESSING SYSTEM AND IMAGE FORMATION APPARATUS - When an image formation apparatus included in an image processing system including a plurality of apparatus groups each consisting of a plurality of image formation apparatuses accepts a request for an inquiry about an image formation apparatus which has stored a print job associated with a designated user from another image formation apparatus belonging to an apparatus group to which the image formation apparatus belongs, the image formation apparatus requests, in response to the request, of an image formation apparatus which belongs to another apparatus group and is saved in advance, for the inquiry. When the request originates from another image formation apparatus belonging to another apparatus group, the image formation apparatus inquires of a management image formation apparatus within that apparatus group. | 03-17-2016 |
Patent application number | Description | Published |
20120176730 | ELECTRIC STORAGE DEVICE - An electric storage device includes an electric storage device body impregnated with an electrolyte solution, a sheath for hermetically sealing the electric storage device body, and a pressure regulator provided at the sheath. The pressure regulator includes a plurality of gas release mechanism portions. Further, the pressure regulator allows release of gases from an inside space of the sheath in which the electric storage device body exists to an outside space by causing the gases from the inside space to pass through the gas release mechanism portions in succession, and blocks entry of gases from the outside space to the inside space by the respective gas release mechanism portions. A buffer space is formed between the gas release mechanism portions by being partitioned by the gas release mechanism portions. | 07-12-2012 |
20120189890 | FLAT-WOUND ELECTRICITY STORAGE DEVICE CELL AND FLAT-WOUND ELECTRICITY STORAGE DEVICE MODULE - A cathode terminal includes a cathode collector foil connector connected to the blank of a cathode collector foil, a cathode terminal external lead-out portion, and an intra-cell cathode terminal radiator located between the cathode collector foil connector and the cathode terminal external lead-out portion and covering approximately half of one of the wide side surfaces of a flat-wound electrode portion. An anode terminal includes an anode collector foil connector connected to the blank of an anode collector foil, an anode terminal external lead-out portion, and an in-cell anode terminal radiator located between the anode collector foil connector and the anode terminal external lead-out portion and substantially covering a remaining portion of the one of the wider side surfaces of the flat-wound electrode portion. | 07-26-2012 |
20130208405 | ELECTRIC STORAGE DEVICE PRESSURE REGULATING APPARATUS AND ELECTRIC STORAGE DEVICE - An electric storage device pressure regulating apparatus includes: a case in an internal portion of which is disposed a regulating chamber that communicates with a space in a vessel by an opening portion; a semipermeable membrane that seals the opening portion; a check valve that stops discharging of the gas out of the vessel from inside the regulating chamber when the internal pressure of the regulating chamber is less than or equal to a predetermined value, and that discharges the gas out of the vessel from inside the regulating chamber when the internal pressure of the regulating chamber exceeds the value; and a communicating pipe that communicates between a space inside the regulating chamber and a space inside the vessel and extends from the case to an electric storage device main body. | 08-15-2013 |
20130241466 | REGENERATIVE POWER SUPPLY SYSTEM - A control device controls, with regard to a regenerative current exceeding a current value set at a power migration start point, a first power storage device to be assigned with a current value set at the power migration start point and a second power storage device to be assigned with the regenerative current exceeding the current value set at the power migration start point. The control device increases a sharing ratio of the first power storage device along a curve with a lapse of time, and performs discharge from the second power storage device to the first power storage device when a charge current is equal to or smaller than the current value set at the power migration start point in a period during which the regenerative current exceeding the current value set at the power migration start point is being charged in the first power storage device. | 09-19-2013 |
Patent application number | Description | Published |
20110080222 | Voltage controlled oscillator - There is provided a voltage controlled oscillator using a Colpitts circuit capable of suppressing deterioration (decrease) in variable range (adjustable range) of an output frequency due to the influence of an inductance component on a conductive line, which connects a connection point between two capacitors of a feedback part and an emitter of a transistor. In a VCO using a Colpitts circuit, with respect to capacitors | 04-07-2011 |
20110080223 | Voltage controlled oscillator - There is provided a voltage controlled oscillator that is compact and can be manufactured at low cost. The voltage controlled oscillator is structured to include: a resonance part including a variable capacitance element and an inductance element, the variable capacitance element having a capacitance that varies according to a control voltage for frequency control input from an external part, and a series resonant frequency of the resonance part being adjusted according to the capacitance; an amplifying part amplifying a frequency signal from the resonance part; and a feedback part including a capacitance element for feedback and feeding the frequency signal amplified by the amplifying part back to the resonance part to form an oscillation loop together with the amplifying part and the resonance part, wherein the amplifying part is provided in an integrated circuit chip, and the resonance part and the capacitance element for feedback are formed as circuit components separate from the integrated circuit chip. The circuit components are selected according to an oscillation frequency. | 04-07-2011 |
20110080226 | Voltage controlled oscillator and electronic component - To provide a voltage controlled oscillator having small size and capable of obtaining a low phase noise characteristic over a large span of adjustable range of frequency. A quartz crystal having a characteristic (dielectric loss tangent: tan δ) better than that of fluorocarbon resin, LTCC or the like conventionally used as a substrate of a resonance part | 04-07-2011 |
20110080228 | Voltage controlled oscillator - To provide a voltage controlled oscillator capable of being treated as a lumped constant circuit, having small size and capable of obtaining an oscillation frequency in a high frequency band. A resonance part | 04-07-2011 |
Patent application number | Description | Published |
20080225942 | Contents reproducing apparatus - A contents reproducing apparatus includes a receiving unit configured to receive a first packet having an ES in which encoded video or audio data is stored, and a second packet having the ES and a PCR, a counter configured to count a STC and output the counted STC as a STC value, a buffer configured to store the first and second packets in an order of reception in a time shift reproduction mode and a time shift storage mode, a correcting unit configured to correct the PCR included in the second packet received by the receiving unit by using the STC value and output the corrected PCR, in the time shift reproduction mode, and a control unit configured to control the STC in accordance with the corrected PCR and the STC value, in the time shift reproduction mode. | 09-18-2008 |
20080259962 | Contents reproducing apparatus - A contents reproducing apparatus includes a receiving unit configured to receive a plurality of packets that convey an elementary stream containing encoded video or audio data and time information, a detecting unit configured to detect a discontinuity of timebase if the difference between first time information contained in a first packet and second time information contained in a second packet received before the first packet is larger than a first threshold value, a timer configured to output the current time after a second threshold value smaller than the first threshold value elapses from a time to receive the first packet, and a generating unit configured to generate a third packet including a third time information calculated based on the first time information and transfer the third packet to the receiving unit, when receiving the current time from the timer. | 10-23-2008 |
20080279272 | Contents reproducing apparatus - A contents reproducing apparatus includes a clock unit configured to count a STC, and output a counter value, a receiving unit configured to receive a packet having an ES containing encoded video data or the encoded audio data, an transport error indicator to be used for detecting an error, and a PTS, and add a counter value as a receipt time at the time of reception, a correcting unit configured to correct the PTS by using the receipt time and an interval from reception of a packet to reproduce of a packet, if the error is detected in the packet, a buffer configured to store the ES and PTS, and a decoder configured to decode the encoded video data or the encoded audio data from the ES and obtain video data or audio data, if the counter value reaches the PTS. | 11-13-2008 |
20090141792 | IMAGE PROCESSING APPARATUS, MOBILE WIRELESS TERMINAL APPARATUS, AND IMAGE DISPLAY METHOD - An image decoding unit decodes an encoded stream and determines whether an error has occurred in the frame obtained by decoding. An image estimation unit estimates the image quality of the frame on the basis of the occurrence state of an error in the frame, a quantization step QP, a display timing PTS, and the like, and outputs the frame to a simple enlargement processing unit which performs simple image enlargement processing, an enlargement processing unit which performs normal image enlargement processing, or a frame interpolation unit which performs frame interpolation, in accordance with the estimation result, thereby selectively executing image processing. | 06-04-2009 |
20090279799 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - An edge map generator/edge weighting coefficient generator performs edge detection for respective blocks that compose a moving image frame Ft, and calculates correlations between the edges of the respective blocks and those of neighboring blocks as edge weighting coefficients. A predictive vector candidate determination unit calculates a plurality of motion vector candidates for each block based on this edge weighting coefficient. Of these candidates, a motion vector detector obtains a candidate with a small evaluation value based on prediction errors and motion vector cost as a motion vector, thereby generating an interpolation frame Ft-0.5. | 11-12-2009 |
20100309980 | APPARATUS AND METHOD FOR PROCESSING IMAGE - A motion detection unit detects a motion vector of each of blocks constituting interpolation frame F | 12-09-2010 |
20140026198 | INFORMATION PROCESSING APPARATUS AND CONTROL METHOD - According to one embodiment, a control module detects each of a plurality of events. A management module transmits a determination result indicative of one of permission and prohibition of execution of a specific process to the control module when a second event of requesting execution of the specific process is detected before detection of a first event of requesting a connection to a specific external communication device. When the second event is detected after the detection of the first event, the management module transmits the other of permission and prohibition of the execution of the specific process to the control module. | 01-23-2014 |
20150016726 | METHOD AND ELECTRONIC DEVICE FOR PROCESSING HANDWRITTEN OBJECT - According to one embodiment, a handwriting process method includes displaying a handwritten object on a touch-screen display of an electronic device, the handwritten object includes a plurality of strokes, the plurality of strokes being input by handwriting, detecting a touch operation at a location on at least part of the handwritten object on the touch-screen display, and executing a first process determined according to a shape of the handwritten object, if the touch operation is detected. | 01-15-2015 |
Patent application number | Description | Published |
20110052349 | VACUUM PROCESSING APPARATUS AND SUBSTRATE TRANSFER METHOD - A robot according to this invention includes a driving mechanism, a first arm rotatably connected to the driving mechanism, a second arm rotatably connected to the first arm, and an X-shaped end effector rotatably disposed at the distal end of the second arm. Of the four distal ends of the end effector, two distal ends include holding units which can hold substrates in one direction, and the remaining two distal ends include holding units which can hold substrates in the opposite direction. | 03-03-2011 |
20150213949 | Amorphous Core Transformer - During the assembly process of an amorphous core transformer, when an offset has arisen between a coil and the amorphous core, and when an offset has arisen between the coil and the core due to a shock resulting from unloading or vibrations during transport, there has been the risk of breakage of an insulating member between an amorphous core and a coil, causing amorphous fragments to be scattered. The object of the present invention is to prevent scattering of amorphous fragments. The amorphous core transformer, which results from assembling a coil and an amorphous core having a joint section, is characterized by folding an insulating member having a rectangular cylinder and flanges, inserting the folded insulating member into the hole of the coil, expanding the cylinder and the flanges of the insulating member, disconnecting the joint section of the amorphous core, inserting the open-ended amorphous core into the cylinder of the insulating member placed within the coil, lapping the disconnected joint section of the amorphous core, and covering/wrapping yokes of the amorphous core with the flanges of the insulating member. | 07-30-2015 |
20150348693 | Amorphous Core Transformer - An amorphous core transformer is provided which is capable of effectively suppressing influences, fluctuation, displacement or the like of a coil caused by an electromagnetic mechanical force or the like. In an amorphous core transformer | 12-03-2015 |
Patent application number | Description | Published |
20130167789 | PLASMA IGNITION DEVICE AND PLASMA IGNITION METHOD - A plasma ignition device | 07-04-2013 |
20130214689 | PLASMA IGNITION DEVICE AND PLASMA IGNITION METHOD - A technique of improving the life of a spark plug which generates spark discharge and AC plasma. A plasma ignition device includes a power control section which reduces AC power P after generation of AC plasma in an AC power supply period Sa during which the AC power P is continuously supplied to a spark plug within a maintainable power range Rp within which the AC plasma can be maintained. | 08-22-2013 |
20130233291 | IGNITION DEVICE AND STRUCTURE FOR MOUNTING SAME - An ignition device ( | 09-12-2013 |
20130328477 | HIGH-FREQUENCY PLASMA SPARK PLUG - An ignition plug includes an insulator having an axial bore extending in the direction of an axis and an electrode inserted into the axial bore, and generates plasma discharge through supply, to the electrode, of high-frequency power generated by a predetermined high-frequency power supply. The electrode includes a center electrode inserted into the forward side of the axial bore and a terminal electrode inserted into the rear side of the axial bore. In the axial bore, the terminal electrode and the center electrode are fixed to the insulator by means of a glass seal which contains a glass component, and are in direct contact with each other. Thus, ignition performance can be further improved. | 12-12-2013 |
20140145624 | IGNITION SYSTEM - An ignition system includes an ignition plug, a discharge power supply for applying a high voltage to the gap of the ignition plug, a high-frequency power supply for supplying a high-frequency current to the gap, a matching unit provided between the ignition plug and the high-frequency power supply, and a mixer through which currents output from the two power supplies flow. An oscillation frequency fs (Hz) which maximizes the current flowing between the matching unit and the mixer when spark discharge is generated and an oscillation frequency fo (Hz) which maximizes the current flowing between the matching unit and the mixer when spark discharge is not generated satisfy a relation fs/fo≧0.85. Thus, a current whose oscillation frequency is equal to the oscillation frequency fs flows between the matching unit and the mixer when spark discharge is not generated. | 05-29-2014 |
20140175967 | SPARK PLUG - A spark plug has a center electrode having an electrode base member and a core material which is disposed in the electrode base member and which predominantly contains copper, and a noble metal tip disposed at a forward end of the center electrode, and a fusion portion formed between the noble metal tip, and the electrode base member and the core material. The fusion portion is in contact with the core material in a cross section which is parallel to the center axis of the center electrode and which passes through the center axis and the fusion portion. The fusion portion contains a component of the noble metal tip, a component of the electrode base member, and a copper component forming the core material. | 06-26-2014 |
20150162725 | SPARK PLUG - A spark plug includes: an insulator having an axial hole; a conductive member disposed around the insulator; a center electrode disposed inside the axial hole, having a bar shape extending in the axial direction, and located on a rear end side with respect to a front end of the conductive member; a ground electrode forming a spark gap between the ground electrode and the center electrode; and a connection part including a plurality of spokes extending in a radial direction whose inner ends are connected to the ground electrode, and connecting the conductive member to the ground electrode. The connection part includes a joint part that is jointed to an inner surface of the conductive member, and the ground electrode has at least one of a notch and a groove at a position that is different from a position connected to the spokes in a circumferential direction. | 06-11-2015 |
Patent application number | Description | Published |
20120260899 | IGNITION SYSTEM - An ignition system wherein creation of misfires is suppressed and excellent ignition ability is realized. The ignition system includes a spark plug; a discharge power source applying a voltage in order to generate a spark discharge at the spark plug; an AC power source supplying AC power to a spark generated by the spark discharge; and an ignition cable electrically connecting the spark plug, the discharge power source and the AC power source. The ignition cable includes a discharge electrode connecting the discharge power source and the spark plug, an AC electrode transmitting AC power from the AC power source to the spark plug, and an insulator interposed between the discharge and AC electrodes. | 10-18-2012 |
20140361676 | SPARK PLUG - A ground electrode includes a main body portion and a projecting portion having a width smaller than a width of the main body portion. A spark discharge gap is formed between a discharging surface of the projecting portion and a front end surface of a center electrode. When the front end surface and the ground electrode are projected on a first plane, at least a part of the projection region of the projecting portion overlaps the projection region of the front end surface. A width Le (mm), a width Lc (mm), a cross-sectional area Sg (mm | 12-11-2014 |
20150222096 | SPARK PLUG - A spark plug having a metal shell, center electrode and a ground electrode. The ground electrode includes an electrode base portion extending from a front end portion of the metal shell toward the front, a bent portion connected at one end thereof to a front end of the electrode base portion and an electrode distal end portion extending from the other end of the bent portion and forming a spark discharge gap with a center electrode. The ground electrode has a base material and a coating layer applied to the base material. The coating layer is formed on at least a front end face and an outer circumferential surface other than a center-electrode-side surface of the electrode distal end portion of the ground electrode. The base material of the ground electrode is exposed at least at a part of the electrode base portion. | 08-06-2015 |