Patent application number | Description | Published |
20090310279 | DIELECTRIC CERAMIC AND MONOLITHIC CERAMIC CAPACITOR - A dielectric ceramic represented by a general formula: 100Ba | 12-17-2009 |
20100014210 | DIELECTRIC CERAMIC MATERIAL AND MONOLITHIC CERAMIC CAPACITOR - A dielectric ceramic material is composed of a perovskite compound represented by ABO | 01-21-2010 |
20100053843 | DIELECTRIC CERAMIC, METHOD FOR PRODUCING DIELECTRIC CERAMIC, AND MONOLITHIC CERAMIC CAPACITOR - A dielectric ceramic contains a barium titanate and Li. In the dielectric ceramic, the following inequalities are satisfied: 0.5≦e≦6.0, 0.0603-04-2010 | |
20100165541 | DIELECTRIC CERAMICS, AND LAMINATED CERAMIC CAPACITOR - A dielectric ceramic contains a BaTiO | 07-01-2010 |
20100214717 | LAMINATED CERAMIC CAPACITOR - A laminated ceramic capacitor capable of achieving both a high dielectric constant and high electrical insulation property even when the thickness of the dielectric ceramic layer is less than 1 μm, contains a plurality of laminated dielectric ceramic layers and a plurality of internal electrodes at interfaces between the dielectric ceramic layers, where dielectric ceramic layers are made of dielectric ceramic containing a perovskite-type compound represented by ABO | 08-26-2010 |
20110038097 | LAMINATED CERAMIC CAPACITOR - Better high-temperature load characteristics are obtained in a laminated ceramic capacitor including a dielectric ceramic layer with a thickness of 1 μm or less. The laminated ceramic capacitor includes a plurality of stacked dielectric ceramic layers, a plurality of internal electrode layers, each disposed between dielectric ceramic layers, and external electrodes that are electrically connected to internal electrode layers. In this laminated ceramic capacitor, when the thickness of each dielectric ceramic layer is denoted by tc and the thickness of each internal electrode layer is denoted by te, tc is 1 μm or less, and tc/te is equal to or less than 1. | 02-17-2011 |
20110069424 | LAMINATED CERAMIC ELECTRONIC COMPONENT - It is harder to realize structural defects when the thickness of an internal electrode is reduced in a laminated ceramic electronic component, such as a laminated ceramic capacitor, when the internal electrodes contain a base metal as their conductive constituent, and the dielectric ceramic layers are formed from a dielectric barium titanate ceramic, and as an accessory constituent, at least one alkali metal element selected from Li, K, and Na, each of the internal electrodes has a thickness of 0.5 μm or less, and the content of the alkali metal element in the dielectric ceramic is 0.2 parts by mol or more with respect to 100 parts by mol of the main constituent. | 03-24-2011 |
Patent application number | Description | Published |
20080240709 | INTERCHANGEABLE LENS AND IMAGE PICKUP APPARATUS - An interchangeable lens mountable/detachable on/from a camera body is provided with a receiving unit that receives information on photography surroundings and a transmission unit that transmits data for correction of aberration based on the information received by the receiving unit, to the camera body. | 10-02-2008 |
20090046375 | ZOOM LENS AND IMAGE PICKUP APPARATUS - A zoom lens has, in order from the object side to the image side, a first lens unit that does not move during zooming and has positive refractive power, a second lens unit that performs zooming and has negative refractive power, a third lens unit that corrects image plane variation caused by zooming and has negative refractive power, and a fourth lens unit that does not move during zooming and has positive refractive power. The first lens unit has, in order from the object side to the image side, a first lens subunit that does not move during focusing and has negative refractive power, a second lens subunit that is configured to move along the optical axis during focusing and has positive refractive power, a third lens subunit that does not move during focusing and has positive refractive power. The second lens subunit has at least one aspherical lens surface AS | 02-19-2009 |
20110038056 | ZOOM LENS SYSTEM AND IMAGE PICKUP APPARATUS INCLUDING THE SAME - A zoom lens system includes, in order of from an object side to an image side: a first lens unit which does not move for zooming; a second lens unit moving during zooming; a third lens unit moving during zooming; and a fourth lens unit which does not move for zooming. The first lens unit includes a negative lens, a positive lens, a positive lens, and a positive lens, and when an Abbe number ν and a partial dispersion ratio θ of a material of the negative lens are denoted respectively by νn and θn, an average value of Abbe numbers ν and an average value of partial dispersion ratios θ of materials of the positive lenses are denoted respectively by νpa and θpa, and a refractive power of the negative lens is denoted by φn, the following expressions are satisfied: −1.75×10 | 02-17-2011 |
20110243539 | AUTOFOCUSING ZOOM LENS - In an autofocusing zoom lens, a depth of focus ε is obtained based on an aperture value Fno of a variable diaphragm and a diameter of a permissible circle of confusion δ. A focal position variation amount Δsk for a predetermined positional displacement amount ΔFp | 10-06-2011 |
20120262608 | ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME - A zoom lens includes a first lens unit having a positive refractive power which does not move for zooming; a second lens unit having a negative refractive power which moves during zooming; a third lens unit having a negative refractive power which moves during zooming; a fourth lens unit having a positive refractive power which moves during zooming; and a fifth lens unit having a positive refractive power which does not move for zooming. Air intervals (L | 10-18-2012 |
20120262798 | ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME - A zoom lens includes a first lens unit, a second lens unit, a third lens unit, a fourth lens unit and a fifth lens unit. In the zoom lens, air intervals L | 10-18-2012 |
20120262801 | ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME - A zoom lens includes, in order from an object side: a first lens unit having a positive refractive power which does not move for varying magnification; a second lens unit having a negative refractive power which moves for varying magnification; a third lens unit having a positive refractive power which moves for varying magnification; and a fourth lens unit having a positive refractive power which does not move for varying magnification, in which: the first lens unit includes a first sub lens unit which does not move for focusing and a second sub lens unit having a positive refractive power which moves for focusing; the first sub lens unit includes three lenses having negative, positive, and positive refractive powers; and each of the elements is appropriately set. | 10-18-2012 |
20120269500 | AUTOFOCUSING ZOOM LENS - In an autofocusing zoom lens, a depth of focus ε is obtained based on an aperture value Fno of a variable diaphragm and a diameter of a permissible circle of confusion δ. A focal position variation amount Δsk for a predetermined positional displacement amount ΔFp | 10-25-2012 |
20130113980 | ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME - A zoom lens including, in order from object side to image side: a first positive lens unit which does not move for zooming; a second negative lens unit which moves during zooming; a third positive lens unit which moves during zooming; a fourth lens unit which moves during zooming; and a fifth positive lens unit which does not move for zooming. The second unit passes through a point at which magnification of the second unit becomes −1 during zooming from wide-angle end to telephoto end, and −1<β34<−0.3, and 4.0<|m2/m3|<15 are satisfied where β34 represents a magnification of a combined unit including the third and fourth units at a zoom position fz at which the magnification of the second unit becomes −1, and m2 and m3 respectively represent displacements of the second and third units on optical axis at the zoom position fz with reference to the wide-angle end. | 05-09-2013 |
20130271630 | ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME - In a zoom lens including a positive first lens unit, negative second lens unit, positive third lens unit, and positive fourth lens unit, the fourth lens unit includes a 41 lens group, a 42 lens group, and a 43 lens group. the lateral magnification of the third lens unit at a wide-angle end when an infinite object is focused, the focal length of the fourth lens unit, the lens configuration length of the fourth lens unit, the air interval between the 41 and 42 lens groups, the air interval between the 42 and 43 lens groups, the focal length of the 42 lens group, the average values of the Abbe constants and partial dispersion ratios of positive lens of the 42 lens group, the average values of the Abbe constants and partial dispersion ratios of negative lenses of the 42 lens group, and the like are appropriately set. | 10-17-2013 |
20140049673 | ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME - A zoom lens includes, in order from an object side: a first positive lens unit not moving for zooming; a second negative lens unit moving during zooming; a third positive lens unit moving during zooming; a fourth positive lens unit moving during zooming; and a fifth positive lens unit not moving for zooming. Each of the lens units includes positive and negative lenses, and satisfies 10<νp−νn<54, −1<β2w<−0.05, −5<β2t<−1, and −1<β34z2<−0.3, where νp is average Abbe constant of the positive lens of the fourth unit, νn an average Abbe constant of the negative lens of the fourth unit, β2w a magnification of the second unit at wide angle end, β2t a magnification of the second unit at telephoto end, and β34z2 a magnification of a combined lens unit including the third and fourth unit at a zoom position where the magnification of the second unit is −1. | 02-20-2014 |
20140104467 | ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME - A zoom lens, including, in order from object side: a positive first unit which is fixed during zooming; a negative second unit which moves for zooming; a positive third unit which moves for zooming; a positive fourth unit which moves for zooming; and a positive fifth unit which is fixed during zooming, in which 1.5004-17-2014 | |
20150130968 | ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME - Provided is a zoom lens including, in order from an object side to an image side: a first lens unit having a positive refractive power which does not move for zooming; a second lens unit having a negative refractive power which moves during zooming; and an N-th lens unit having a positive refractive power which does not move for zooming and is arranged closest to the image side. In the zoom lens, the N-th lens unit includes in order from an object side: a first sub-lens unit; and a second sub-lens unit which is movable, and a lateral magnification at a wide angle end of the N-th lens unit and a lateral magnification at a wide angle end of the second sub-lens unit of the N-th lens unit when an axial ray enters from infinity in a state in which focus is at the infinity are appropriately set. | 05-14-2015 |
20150130969 | ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME - A zoom lens includes in order from object side to image side: a positive first lens unit that does not move for zooming; a negative second lens unit that moves during zooming; and a positive N-th lens unit that does not move for zooming, the N-th lens unit being arranged closest to the image side. The first lens unit includes, in order from object side to image side: a negative first sub-lens unit that does not move for focusing; a positive second sub-lens unit that moves along an optical axis during focusing; and a positive third sub-lens unit that does not move for focusing. Focal length of the first lens unit, focal length at wide angle end of the zoom lens, and lateral magnification at wide angle end satisfy predetermined conditions. | 05-14-2015 |
20150131164 | ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME - A zoom lens includes, in order from an object side: a positive first lens unit that does not move for zooming and comprises a negative first sub-lens unit, a positive second sub-lens unit that moves during adjustment of a focal point, and a positive third sub-lens unit composed of at least one negative lens, and at least two positive lenses; a lens group including at least two lens units that move during zooming; an aperture stop; and a positive last lens unit that does not move for zooming. Focal lengths of the first lens unit, the first sub-lens unit, and the zoom lens at a wide angle end, imaging magnification of the last lens unit, average values of an Abbe constant for d-line of the at least one negative lens and of the at least two positive lenses are appropriately set. | 05-14-2015 |
20150131165 | ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME - Provided is a zoom lens, including, in order from an object side to an image side: a positive first lens unit that does not move for zooming; a negative second lens unit that moves during zooming; and a positive N-th lens unit that does not move for zooming and is arranged closest to the image side. Among lenses constructing the second lens unit, two lenses closest to the image side are a positive lens and a negative lens, and partial dispersion ratios for g-line and F-line and Abbe numbers for a d-line of the positive and negative lenses, and an average value of refractive indices of all the lenses of the second lens unit are appropriately set. | 05-14-2015 |
Patent application number | Description | Published |
20090053593 | BATTERY - A battery capable of suppressing the swollenness and improving the capacity and the like is provided. The battery includes a spirally wound electrode body ( | 02-26-2009 |
20090202918 | POLYMER ELECTROLYTE AND BATTERY - A polymer electrolyte capable of obtaining superior discharge characteristics and a battery using it are provided. A cathode ( | 08-13-2009 |
20120121965 | SECONDARY BATTERY, BATTERY UNIT, AND BATTERY MODULE - There is provided a secondary battery including a battery device that has a thickness of 3 to 20 mm, and a battery discharge capacity of 3 to 50 Ah, and an exterior material that packages the battery device. The battery device includes a positive electrode that has a positive electrode current collector and a positive electrode active material layer, a negative electrode that has a negative electrode current collector and a negative electrode active material layer, a separator that is interposed between the positive electrode and the negative electrode that are alternately laminated, a positive electrode tab that is electrically connected to a positive electrode current collector exposed portion and is led-out to the outside of the exterior material, and a negative electrode tab that is electrically connected to a negative electrode current collector exposed portion and is led-out to the outside of the exterior material. | 05-17-2012 |
20120121967 | Non-Aqueous Electrolyte Battery - A non-aqueous electrolyte battery includes a battery device in which a positive electrode is faced to negative electrode through a separator; a non-aqueous electrolyte; a laminate film which is formed by laminating a metal layer, an outside resin layer formed in outer face of the metal layer, and an inside resin layer formed in the metal layer, and in which the battery device and the non-aqueous electrolyte is packaged by heat welding and housed; a positive electrode lead which is electrically connected to the positive electrode, and drawn from portion heat-welded of the laminate film to an exterior thereof; a negative electrode lead which is electrically connected to the negative electrode, and drawn from portion heat-welded of the laminate film to an exterior thereof; and a porous polymer layer containing, as a component, vinylidene fluoride formed between the laminate film and the battery device. | 05-17-2012 |
20150079459 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - Non-aqueous electrolyte secondary batteries are provided. In one embodiment, the non-aqueous electrolyte secondary battery includes a positive electrode, a negative electrode, a separator disposed between the positive and negative electrodes, a polymeric layer disposed between the separator and at least one of the positive electrode and the negative electrode, and an exterior member housing the positive electrode, the negative electrode, the separator, and the polymeric layer. The separator has a thickness of 5 μm to 20 μm and includes at least 90% by mass of polyethylene. The polymeric layer holds therein a non-aqueous electrolytic solution including 13% by mass to 25% by mass of an electrolyte salt. The battery has a maximum attained temperature not higher than 100° C. using a nail piercing safety test at the time of conducting the safety test. | 03-19-2015 |
Patent application number | Description | Published |
20110216472 | LAMINATED CERAMIC CAPACITOR - A laminated ceramic capacitor which provides favorable properties and characteristics such as dielectric characteristics, insulation properties, temperature characteristics, and high temperature load characteristics and provides favorable thermal shock resistance, even when dielectric ceramic layers are reduced in layer thickness to increase the number of layers has dielectric ceramic layers containing, as their main constituent, a barium titanate based compound represented by the general formula ABO | 09-08-2011 |
20110222205 | DIELECTRIC CERAMIC AND LAMINATED CERAMIC CAPACITOR - A dielectric ceramic (and capacitor containing it) balancing high temperature load characteristics and temperature characteristics of capacitance even when layer thickness is less than 1 μmhas a mixture of different crystal grains containing a barium titanate compound as the main constituent. The first crystal grains can contain rare earth element solid solution region lat the surface layer section. The second crystal grains have a core-shell structure including a shell section having a rare earth element solid solution present. The first and second crystal grains are 12% to 84% f and 16% to 88%, respectively, of the total number of crystal grains. | 09-15-2011 |
20120033344 | DIELECTRIC CERAMIC AND LAMINATED CERAMIC CAPACITOR - A dielectric ceramic and a laminated ceramic capacitor using the dielectric ceramic are achieved which provide favorable thermal shock resistance without damaging properties or characteristics such as dielectric properties, insulation properties, temperature characteristics, and characteristics in high temperature loading, even when the dielectric layers are reduced in thickness and the number of stacked layers increased. The dielectric ceramic contains, as its main constituent, a barium titanate based compound represented by the general formula ABO | 02-09-2012 |
20120147518 | Manufacturing Method for Laminated Ceramic Capacitor, and Laminated Ceramic Capacitor - A method for manufacturing a laminated ceramic capacitor by firing a laminated body which includes dielectric ceramic layers containing a dielectric ceramic raw material powder and internal electrodes. The firing is carried out in accordance with a temperature profile in which the average rate of temperature rise is 40° C./second or more from room temperature to a maximum temperature. The dielectric ceramic raw material powder contains a BaTiO | 06-14-2012 |
20140043725 | MANUFACTURING METHOD FOR LAMINATED CERAMIC CAPACITOR, AND LAMINATED CERAMIC CAPACITOR - A method for manufacturing a laminated ceramic capacitor by firing a laminated body which includes dielectric ceramic layers containing a dielectric ceramic raw material powder and internal electrodes. The firing is carried out in accordance with a temperature profile in which the average rate of temperature rise is 40° C./second or more from room temperature to a maximum temperature. The dielectric ceramic raw material powder contains a BaTiO | 02-13-2014 |