Canon Kabushiki Kaisha

Kyodo Yushi Co., Ltd.

Fujifilm Corporation

Other

Nsk Corporation

Ntn Corporation

Kabushiki Kaisha Tokai Rika Denki Seisakusho

Toshiaki Endo

Osamu Iwasaki

Yutaka Imai

Eiichiro Ikeda

Michiharu Naka

Takaaki Fukui

Hideki Koizumi

Takamitsu Okumura

Seiji Hashimoto

Osamu Yuki

Atsushi Yokouchi

Hidetoshi Hayashi

Kenichi Iso

Yoichi Suzuki

Yuji Onuki

Toru Koizumi

Shigetoshi Sugawa

Hiroki Hiyama

Tetsunobu Kochi

Katsuhito Sakurai

Isamu Ueno

Katsuhisa Ogawa

Hidenobu Mikami

Takayuki Kawamura

Junichi Imai

Akihiko Takeda

Mitsunari Asao

Atsushi Shibayama

Masayuki Kuramitsu

Mitsuhiro Kakizaki

Sugako Otake

Hiroaki Takahashi

Yuzo Takahashi

Da Ming Dong

Koici Goto

Yuji Oonuki

Yuji Ohnuki

A grease is provided which has an improved inflow property of the grease into a lubrication unit and has a long life when used for bearings even under a high temperature environment. A grease composition comprising a base oil and a thickener, characterized in that the base oil contains an ester synthetic oil, the content of the ester synthetic oil is not less than 20% by mass of the total mass of the base oil and the thickener contains a diurea compound represented by the Formula (I):R&#x2014;NHCONH&#x2014;R&#x2014;NHCONH&#x2014;R,&#x2003;&#x2003;(I) wherein Ris a Cdivalent aromatic hydrocarbon group, Rand Rare the same or different, and represent cyclohexyl or Clinear or branched alkyl, and the molar ratio of cyclohexyl to the total of cyclohexyl and Clinear or branched alkyl is 60 to 95%.

Grease composition and bearing

Provided is an imaging apparatus, including: a first and a second A/D conversion units converting signals output from a first and a second groups of columns of pixels, respectively; a first reference signal supply unit supplying, to the first A/D conversion unit, at least one of reference signals having a first and a second change rates per time; a second reference signal supply unit supplying, to the first A/D conversion unit, at least one of reference signals having a third and a fourth change rate per time; and an adjusting unit adjusting at least one of the first to fourth change rates so that at least one of a difference in change rate per time between the first and the third change rate, and a difference in change rate per time between the second and the fourth change rate is reduced.

Imaging apparatus and imaging system

The invention provides a lubricant composition capable of favorably preventing the members from causing hydrogen embrittlement-induced flaking when the members are operated under the conditions where the oil film is thin (namely, the metal surfaces considerably come in contact with each other). The lubricant composition used for lubricating the steel mechanical members operated by a rolling motion or rolling-sliding motion is characterized by containing a base oil and additives, the additives including an organic sulfonate rust inhibitor and a load carrying additive.

Lubricant composition and mechanical member

The lubricant composition of this invention comprises a base oil and an additive, which is at least one selected from the group consisting of an organic sulfonate, a carboxylate, a thiocarbamate and a thiophosphoric acid ester salt. The lubricant composition can effectively suppress hydrogen embrittlement-caused flaking of an element, such as a rolling bearing, a sliding bearing, a gear, a ball thread, a linear guide, a linear bearing, a cam and various joints in a high concentration hydrogen environment. The invention provides also a rolling bearing, a sliding bearing, a gear, a ball thread, a linear guide, a linear bearing, a cam and various joints using the lubricant composition.

Lubricant composition

A grease is provided which has an improved inflow property of the grease into a lubrication unit and has a long life when used for bearings even under a high temperature environment. A grease composition comprising a base oil and a thickener, characterized in that the base oil contains an ester synthetic oil, the content of the ester synthetic oil is not less than 20% by mass of the total mass of the base oil and the thickener contains a diurea compound represented by the Formula (I):R&#x2014;NHCONH&#x2014;R&#x2014;NHCONH&#x2014;R,&#x2003;&#x2003;(I)

A planar lighting device includes: a light source that emits light; and a light guide plate disposed opposite the light source in which light emitted from the light source enters and is emitted therefrom as planar light. The light guide plate includes a flat light exit plane that emits the planar light, a light entrance plane that is formed opposite the light source and includes one side of the light exit plane, an end plane that includes the opposite side to the one side of the light exit plane, and a rear plane formed on the side opposite the light exit plane. The rear plane includes a first rear plane that is joined with the end plane and is smoothly inclined to said light exit plane so that the distance from the light exit plane increases as the distance from the end plane increases, and a second rear plane.

Planar lighting device

A unitary light guide plate includes a light exit plane, a thick portion located substantially on a center portion of the light exit plane, thin end portions formed on both sides of the thick portion, a half portion of a parallel groove formed on a backside of the light exit plane to accommodate linearly arranged light sources, inclined back portions arranged so as to become thinner from the thick portion to the thin end portions, and scattering means for scattering light entering from the light sources accommodated in the parallel groove into the thin end portions and propagated through the inclined back portions toward the thick portion. A light guide plate unit has two or more of the unitary light guide plates coupled together in such a way that respective light exit planes are arranged to form a same plane.

Unitary light guide plate, light guide plate unit, planar lighting device and liquid crystal display device

A light guide plate includes a light exit plane and a light entrance end, is formed into a shape having a thickness in a direction orthogonal to the light exit plane, the thickness being gradually larger as being farther from the light entrance end, and contains scattering particles dispersed therein, and a light guide plate assembly includes the light guide plate and a prism sheet which includes a plurality of prisms arrayed in parallel with each other, and is arranged so that vertex angles of the prisms face the light exit plane. The scattering particles scatter light entering from the light entrance end and propagating in the light guide plate, which satisfy Expressions (1) and (2) below, and vertex angles of the prisms of the prism satisfy Expression (3) and (4) below.1.1&#x2266;&#x3a6;NLK&#x2266;8.2&#x2003;&#x2003;(1)0.005&#x2266;K&#x2266;0.1&#x2003;&#x2003;(2)55&#xb0;&#x2266;&#x3b8;&#x2266;80&#xb0;&#x2003;&#x2003;(3)0&#xb0;&#x2266;&#x3b8;&#x2266;15&#xb0; and 30&#xb0;&#x2266;&#x3b8;&#x2266;45&#xb0;&#x2003;&#x2003;(4)

Light guide plate, light guide plate assembly, and planar lighting device and liquid crystal display device using these

In a signal processing apparatus for processing an image signal, a hue difference between adjoining pixels is detected by a color image edge detector, and an aperture control main gain circuit amplifies a luminance signal using a gain determined on the basis of the hue difference detected by the color image edge detector to enhance an edge pixel of an image.

Signal processing apparatus and method for reducing jaggedness on color image edge and image sensing apparatus having same

A transparent support and plural types of particle groups having different particle size distributions each other that are to be contained in a light diffusing layer are provided. a blending ratio of the plural types of particle groups is computed such that a space packing ratio of respective particles in the light diffusing layer becomes a specified space packing ratio and the plural types of particle groups having been blended in the computed blending ratio are dispersed on the transparent support, whereby the light diffusing layer is formed on the transparent support. Thus, a diffusion film can be produced simply and at low cost.

Method of designing a diffusion film, a process for producing the same, and a diffusion film obtained thereby

The liquid crystal display device with a simple configuration is capable of emitting light with a desired color temperature, achieving high light use efficiency, and displaying high quality images. The liquid crystal display device includes a planar lighting device and a liquid crystal display panel. The planar lighting device includes a light source having LED chips for emitting blue light, a transparent light guide plate having a light entrance plane admitting light emitted by the light source and a light exit plane emitting planar light, and a fluorescent member disposed between the light emission plane and the light entrance plane and having one or more fluorescent substance coated areas for emitting white light by converting blue light from the light source into white light and one or more blue light passing areas passing blue light as blue light. The liquid crystal display panel essentially includes red, green and blue filters.

Liquid crystal display device

The planar lighting device includes a light source having at least one LED chip for emitting blue light through a light emission face, a transparent light guide plate having at least one light entrance plane through which light emitted by the light source is admitted and a light exit plane through which the light admitted through the at least one light entrance plane is emitted as planar light, and a fluorescent member disposed between the light emission face and each of the at least one light entrance plane and having a fluorescent substance coated area for emitting white light by converting the blue light from the light source into the white light and blue light passing areas through which the blue light from the light source is allowed to pass as the blue light.

An image pickup apparatus is provided which performs correction of shading without performing correction of an image signal with a complicated algorithm or a large-scale correction circuit. The image pickup apparatus includes light irradiation unit that irradiates light on an object of image pickup and an image pickup element that receives reflected light or transmitted light from the object of image pickup to generate an electric signal corresponding to an amount of received light, in which a light receiving condition of a pixel of the image pickup element is changed such that shading of a signal from the image pickup element is corrected. The light receiving condition is changed by changing areas of opening portions of pixels-to-of the image pickup element, a shape of a lens provided on the opening parts, or an impurity concentration in a photoelectric conversion region of the image pickup element, or changing storage time, storing being performed through driving of the image pickup element.

Image pickup apparatus and fingerprint recognition apparatus

An electric light for work comprises an electric light body having a grip part formed in the shape of a stick; an engagement member formed in the shape of a C letter, one of fixing and engaging fixedly and detachably with a back end of the grip part of the electric light body; and a support stand attached via a rotatable member which can rotate more than 120 degrees with adding the power more than predetermined quantity to a back end portion of a approximately center part of the engagement member, capable of adhering fixedly to the metal surface by magnetism so that the grip part of the electric light body adheres rotatably to the metal face at 90 degrees or more, and the electric light for work an be used under such condition.

Electric light for work and support device for electric light for work

Growing community of inventors

Kanagawa, Japan

Toshiaki Endo