Patent application number | Description | Published |
20130344376 | BATTERY BLOCK - The present invention provides a battery block that accommodates unit cells having higher capacities, and, even in case of abnormal heat generation in the unit cell, does not cause abnormal heat generation in the neighboring unit cells, thereby preventing a chain reaction of degradations and abnormalities of the accommodated unit cells. The battery block of the present invention includes a battery case having a minimum thickness section satisfying the relationship “K2/K1≧K3−1”. K1 is the thermal conductance between the battery case and the unit cell. K2 is the thermal conductance of the minimum thickness section of the battery case between two neighboring holes for accommodating the respective unit cells. K3 is a ratio between the abnormal heat temperature of a reference cell and the ambient temperature causing abnormal heat generation in this cell. | 12-26-2013 |
20150155529 | BATTERY BLOCK AND MANUFACTURING METHOD THEREFOR - The purpose of the present invention is to provide a battery block that serves as a member that contains a plurality of battery cells, wherein if abnormal heat generation occurs, the resulting heat is evenly, rapidly, and efficiently distributed throughout the entire block, and the portions in which the battery cells are accommodated have high dimensional precision. The present invention provides a battery block that contains the following: a metal case that contains a plurality of pipe-shaped members; and battery cells accommodated, respectively, in said plurality of pipe-shaped members. The pipe-shaped members are joined to each other, forming a single unit, and join parts that join adjacent pipe-shaped members to each other are at least 70% as long as the pipe-shaped members themselves. | 06-04-2015 |
Patent application number | Description | Published |
20080316899 | VERY SMALL SPOT-SIZE LIGHT BEAM FORMING APPARATUS - A very small spot-size light beam forming apparatus of the present invention comprises: a conductive film for generating a surface plasmon when an inputted light is applied thereto: a plurality of nano projections, each connected to the conductive film at one end, for receiving a portion of the surface plasmon, and outputting a plurality of input surface plasmons, respectively, from the other end of each of the plurality of nano projections, the other end of each of the plurality of nano projections having a diameter smaller than a wavelength of the inputted light; a coupling unit, connected to the other end of each of the plurality of nano projections, for receiving and coupling the plurality of input surface plasmons, so as to generate a coupled surface plasmon; and a negative-refractive-index lens, connected to the coupling unit and having a negative refractive index, for receiving a near-field light generated due to the coupled surface plasmon, and collecting the near-field light on a recording surface of the optical information storage disk, and a near-field light obtained through collection on the recording surface has a diameter smaller the wavelength of the inputted light. | 12-25-2008 |
20090022464 | Optical device, and production method for photonic crystal slab - An optical device which includes a GI-type photonic crystal slab which includes: a first member which has a distribution of refractive indexes reduced in both directions from an optical axis of incident light as to a first direction vertical to the optical axis; and a second member periodically placed in substance among the first members as to a second direction different from the first direction, wherein the distribution of refractive indexes of the first member which relates to the first direction, a thickness which relates to the first direction of the GI-type photonic crystal slab, a wavelength of the incident light and an incident end beam spot radius ω | 01-22-2009 |
20090052048 | DISTRIBUTED REFRACTIVE INDEX LENS AND METHOD FOR MANUFACTURING THE SAME - A distributed refractive index lens and method of producing the lens are disclosed. The lens has a plurality of areas having refractive index distributions, and includes a plate-like member containing polysilane. The refractive index distribution of these areas is a distribution that includes a change in a refractive index in a direction parallel to a plane of the plate-like member, and includes a substantial uniform refractive index in a direction perpendicular to the plane. | 02-26-2009 |
20090162007 | OPTICAL DEVICE, OPTICAL COUPLER AND INTEGRATED CIRCUIT - The present invention provides an MMI optical device that can prevent a possible decrease in transmission rate in spite of miniaturization and integration. The optical device includes a rectangular multimode waveguide and an electromagnetic wave absorber of a light source wavelength. The electromagnetic wave absorber is located on at least one side surface of the rectangular multimode waveguide and is located at a predetermined gap from a core of the rectangular multimode waveguide. | 06-25-2009 |
20100074575 | OPTICAL MODULE AND METHOD FOR MANUFACTURING THE SAME - An optical waveguide includes three cores formed within a single cladding, and each of the cores embed therein a light source and a light-receiving section, whose respective optical axes are aligned to each other. The light-receiving section includes a tapered reflective side surface, a light blocking section, and a light-receiving body. The tapered reflective side surface guides, among lights that propagate through the cores, only a light having an incidence angle within a range whose upper limit of is an angle θ | 03-25-2010 |
Patent application number | Description | Published |
20100207922 | PLASMA DISPLAY PANEL AND METHOD FOR MANUFACTURING THE SAME - Having a low-cost transparent electrode, the plasma display panel suppresses variations in discharge characteristics between discharge cells and provides high quality image. To attain above, a scan electrode has a scan transparent electrode formed by applying a dispersion liquid containing particles of metal or metal oxide onto a front substrate, and a scan bus electrode on the front substrate. A sustain electrode has a sustain transparent electrode formed by applying a dispersion liquid containing particles of metal or particles of metal oxide onto the front substrate, and a sustain bus electrode on the front substrate. Besides, a discharge gap is formed by a scan bus electrode and a sustain bus electrode. An outer periphery section on a discharge-gap side of a scan transparent electrode overlaps with a scan bus electrode, and an outer periphery section on a discharge-gap side of a sustain transparent electrode overlaps with a sustain bus electrode. | 08-19-2010 |
20110018927 | METHOD FOR MANUFACTURING PLASMA DISPLAY PANEL - The present invention provides a method for manufacturing a panel. According to the method, employing an ink containing particles of metal or particles of metal oxide allows transparent electrodes to be formed with high dimensional accuracy and little loss of productivity. Specifically, the transparent electrodes are formed in a manner that an ink containing particles of metal or particles of metal oxide is printed by inkjet printing as a plurality of ink dots with different diameters onto the front substrate. | 01-27-2011 |
20110102399 | PLASMA DISPLAY PANEL AND METHOD FOR MANUFACTURING THE SAME - The present invention provides a plasma display panel having a low-cost transparent electrode, without decrease in yield. To achieve above, the panel has a first bus electrode, a second bus electrode, a first transparent electrode, and a second transparent electrode on the front substrate. The first transparent electrode covers at least a part of the first bus electrode, and similarly, the second transparent electrode covers at least a part of the second bus electrode. | 05-05-2011 |
20110221728 | PLASMA DISPLAY PANEL AND METHOD FOR MANUFACTURING THE SAME - Having a low-cost transparent electrode, the plasma display panel suppresses variations in discharge characteristics between discharge cells and provides high quality image. To attain above, a scan bus electrode is formed so as to constitute an outer periphery in the lengthwise direction of a scan electrode and have a clearance inside, similarly, a sustain bus electrode is formed so as to constitute an outer periphery in the lengthwise direction of a sustain electrode and have a clearance inside. Besides, a scan transparent electrode is formed in the clearance of the scan bus electrode with use of a dispersion liquid containing particles of metal or particles of metal oxide, similarly, a sustain transparent electrode is formed in the clearance of the sustain bus electrode with use of a dispersion liquid containing particles of metal or particles of metal oxide. | 09-15-2011 |
Patent application number | Description | Published |
20130249456 | MOTOR CONTROL CIRCUIT - To provide a motor control circuit that variably controls the speed of a motor, in which an appropriate advance angle value corresponding to the speed of the motor that is set can be automatically set. The motor control circuit according to the present invention includes an advance angle setting means that adds a reference advance angle value to an advance angle correction value obtained by multiplying a proportional coefficient by a correction amount and outputs an advance angle setting signal, and an advance angle setting correction means that uses a ratio of a correction reference period relative to a period of a reference signal input from the outside as a correction amount and corrects the reference advance angle value by an advance angle correction value obtained by multiplying the correction amount by a predetermined proportional coefficient of the advance angle setting means. | 09-26-2013 |
20130257338 | MOTOR CONTROL CIRCUIT - To provide a motor control circuit that variably controls the speed of a motor, in which an appropriate control gain corresponding to the speed of the motor that is set can be automatically set. The motor control circuit includes a period error signal output means, a speed error signal output means and a gain correction means. | 10-03-2013 |
20150180382 | MOTOR CONTROL DEVICE - A motor control device of the present invention includes an inverter having one side coupled to a dc power supply, and another side coupled to a motor provided with drive windings of multiple phases, a current detector disposed between the dc power supply and the inverter, and a control circuit for detecting an electric current that flows through the drive windings by converting an inverter bus current detected by the current detector, and outputting PWM signals of multiple phases to a plurality of switching element pairs provided in the inverter. The control circuit generates the PWM signals by applying a current-detection PWM signal for detecting the inverter bus current to a motor-drive PWM signal for driving the motor. | 06-25-2015 |