Sony Corporation

Konica Minolta, Inc.

Nippon Steel Corporation

Konica Minolta Opto, Inc.

Renesas Electronics Corporation

Mitsubishi Gas Chemical Company, Inc.

Naoki Kaneko

Tetsujiro Kondo

Toshiyuki Sekiya

Masaaki Hattori

Ken Hayakawa

Seiji Wada

Junichi Nakagawa

Yasuhiro Tanaka

Atsushi Naito

Toshio Sarugaku

Hidehiko Sekizawa

Tomonori Kato

Takafumi Oda

Kazuo Haraoka

Shinichiro Hara

Nozomu Ozaki

Hiroshi Takagi

Katsuhiko Kato

Shinji Sangawa

Seiko Imai

Mikio Futaka

Norifumi Asahara

Hidehiko Ogasawara

Masaharu Tokuhara

Hajime Mori

Yuuki Sato

Takaya Hoshino

Kanji Sekihara

Ryouta Ishikawa

Atsushi Sakai

Hideyuki Fujii

Akihiko Matsumoto

Toshiyuki Majima

Daisuke Sawanobori

Takao Arakawa

Yoshinori Ide

Yoshifumi Tamura

Horoshi Takagi

A charged material containing alloy iron of at least one of ferrochrome containing metallic Si or ferrosilicon, and unreduced slag containing Cr oxide generated by oxidative refining, is charged into an electric furnace as a mixture in which a mass ratio of a metallic Si amount to a Cr oxide amount is from 0.30 to 0.40, and a C concentration is in a range of from 2.0% by mass to a saturation concentration, and molten iron containing Cr obtained due to the Cr oxide undergoing reduction processing is produced, such that, when the charged material is heated and melted in the electric furnace, an attainment temperature is set to from 1400° C. to 1700° C., a maximum average heating rate in any 80° C. interval from 1300° C. to the attainment temperature is set to 15.0° C./min or less, and a minimum average heating rate in any 80° C. interval from 1300° C. to the attainment temperature is set to 3.0° C./min or greater.

Method for producing chromium-containing molten iron

A flame-retardant polyimide molding material and a molded article including the flame-retardant polyimide molding material, where the flame-retardant polyimide molding material includes a semi-aromatic polyimide resin (A) and carbon fiber (B), and the flame-retardant polyimide molding material includes 15 to 80 mass % of the carbon fiber (B).

Flame-retardant polyimide molding material and molded object

A charged material containing a metal raw material of at least one of ferrochromium containing metal Si or ferrosilicon and unreduced slag containing Cr oxide generated by oxidation refining is charged into an AC electric furnace including three electrodes, a mass ratio of a metal Si amount to a Cr oxide amount being from 0.30 to 0.40, and a C concentration being from 2.0% by mass to a saturation concentration.

An optical unit contains an optical element made of resin obtained by integrally forming a reflector in which a reflecting surface which reflects a light flux is formed on an outer peripheral side surface, and a flange extending in a direction orthogonal to the reflector to support the reflector; a rotary driving body which rotates the optical element; and a connecting device which connects the flange of the optical element to the rotary driving body, the optical element being capable of rotating around a rotational axis of the rotary driving body.

Mirror unit and optical-scanning-type object detection device

A mirror unit, a distance measurement device and a laser radar, and a mobile body and a fixed object having the mirror unit and the distance measurement device or the laser radar. The mirror unit includes a plurality of pairs of first reflecting surfaces and second reflecting surfaces inclined relative to a rotation axis, and extending in directions crossing each other. The mirror unit rotates about the rotation axis. In the mirror unit, a beam emitted from a light source is reflected on a first reflecting surface, and then reflected on a second reflecting surface paired with the first reflecting surface. The beam is scanned over an object with the rotation of the mirror unit. In the mirror unit, the first and second reflecting surfaces are formed, respectively, on first and second reflecting members which are combined to select an emission angle of a beam emitted from the mirror unit.

Mirror unit, distance measurement device and laser radar, and mobile body and fixed object having the mirror unit and the distance measurement device or the laser radar

The optical element is a long optical element obtained by detaching a long main body part connected to a runner part via a gate part including an optical part from the gate part and chipping the detached main body, the optical part including at least a first optical surface to allow light to pass there through or to reflect light. The first optical surface has a curved surface that is curved on the short direction at least at the longitudinal end, while the first edge of the first optical surface side on the end surface of gate part side in the main body part is curved according to the curved surface example of the first optical surface. The boundary surface between the main body part and the gate part is formed so as to be narrower than the end surface of the gate part side of the main body part. At least the distance between the site corresponding to the effective region on the first optical surface at the first edge and the site corresponding to the effective region on the first optical surface at the second edge of the first optical surface side on the boundary surface is uniformly formed.

Optical element, an optical scanning device, a manufacturing method of the optical element, and a molding die

A die having a plurality of cavities and a temperature sensor for acquiring a temperature value in which the number of the cavities is larger than that of electrothermal conversion elements. When viewed from a direction perpendicular to the surface of a parting line, all cavities and a temperature sensor are arranged in a region occupied by the electrothermal conversion elements. Interval between the outlines of the cavities is smaller than the minimum interval between the outline of the cavity and the electrothermal conversion element, and the shortest distance between the electrothermal conversion element and the temperature measuring portion of a temperature measuring element is shorter than the minimum interval between the outline of the cavity and the electrothermal conversion element.

Optical-parts molding die and optical-parts manufacturing method

Provided are a resinous reflecting optical element that achieves high mirror surface precision by mitigating the warping effects associated with contraction during resin hardening and suppressing the distortion of a mirror surface that results from resistance to mold release, and a scanning optical device that uses said reflecting optical element. The reflecting optical element is characterized by having a long, tabular substrate (), a mirror surface section () positioned on one surface of the substrate (), and a hollow portion () positioned within the interior of the substrate (), and is also characterized in that, as a result of configuring so that the hollow portion () is longer than the mirror surface section (), warping and sink marks which form due to contraction during resin hardening are mitigated across the entire mirror surface section (), and in that the entire mirror surface section () protrudes above the surface of the substrate (), thereby suppressing the increase in resistance to mold release that occurs when a metallic mold is gripped by the molding during resin contraction, and preventing distortion of the mirror surface section () that is caused by resistance to mold release.

Hollow reflecting optical element and scanning optical device

An optical selector includes: an optical waveguide which includes a first light guide section having a first refractive index, a second light guide section having a second refractive index provided to the side of and along the entire circumference of the first light guide section, and a reflector provided at opposing positions on both surfaces of each of the first and second light guide sections while exposing the outer circumferential surface of the second light guide section; a single or plurality of LDs that are placed on the outer circumference of the optical waveguide, and emit light toward the first light guide section; and a single or plurality of photodetectors that are placed on the outer circumference of the optical waveguide, and receive light emitted from the outer circumference of the optical waveguide.

Optical selector switch and signal-processing apparatus

In the sending and receiving of a signal through an optical waveguide, an unknown substrate connected to the optical waveguide can be recognized. A signal processing apparatusA is provided with an optical waveguideA in which the light input from an arbitrary position on an outer circumference is output in an entire circumference direction at a level in accordance with a positional relation with the input location, a master substrateM arranged on the outer circumference of the optical waveguideA, a single or a plurality of slave substratesS arranged at any of a plurality of mount locations at different positions along the outer circumference of the optical waveguideA, in which as the light is output from A laser diodesS of all the slave substratesS connected to the optical waveguideA, from a level of a light transmitted through the optical waveguideA and input to the photo detectorM of the master substrateM in accordance with the arrangement of the slave substrateS, the master substrateM recognizes the mount positions and number of the slave substratesS.

Signal processing apparatus

A semiconductor integrated circuit includes: a plurality of scan flip-flops configured to form a scan chain in a scan test; and a plurality of clock gating circuits connected between a clock input and corresponding portions of the plurality of scan flip-flops, respectively. The plurality of clock gating circuits are connected in serial to form a chain and gating setting data is inputted in serial through the chain connection. Each of the plurality of clock gating circuits controls a connection between the clock input and a corresponding portion of the plurality of scan flip-flops based on the gating setting data.

Semiconductor integrated circuit and method of testing the same

An optical selector switch contains an optical waveguide that includes a first optical waveguide portion having a first light-transmissivity, a second optical waveguide portion having a second light-transmissivity, reflecting members that reflect light, and a light-dividing device that reflects and transmits light; at least one light-emitting unit that emits the light toward the first optical waveguide portion of the optical waveguide; and at least one light-receiving unit that receives the light which is incident to the first optical waveguide portion of the optical waveguide from the light-emitting unit, based on a directivity due to an angle of the incident light to the first optical waveguide portion of the optical waveguide, wherein the incident light to the first optical waveguide portion is emitted radially toward the circumference of the second optical waveguide portion of the optical waveguide.

There is provided a video signal processing apparatus that makes it possible to realize a favorable display of pictures by increasing the detection accuracy of the video source of an input video signal and by using an appropriate scanning method for an output video signal in accordance with the determined type of video source. The video signal processing apparatus includes video source determining means for determining whether the video source of a video signal is a film source, calculating means for calculating a degree of difference between a picture of a field of the video signal and a picture of a field of a delayed video signal, threshold setting means, comparison means for comparing the degree of difference and a threshold and determining whether the pictures of each field match, and a signal pattern detecting means for detecting a signal pattern of a signal outputted by the comparison means and determining whether the video source is a film source, with the threshold setting means outputting respectively different thresholds in a state where the video source is determined to be a film source and a state where the video source is not determined to be a film source.

Video signal processing apparatus, video signal processing method and video source determining method

To enable a satisfactory suppression of overemphasized component after converting the number of scanning lines of video signal, when the video signal is converted in the number of scanning lines and a high-frequency component at least in a vertical direction of the converted video signal is emphasized, signals delayed by a plurality of stages of time equal to or more than a time required for converting the number of scanning lines are obtained by a delay circuit, and an appropriate delay signal is selected from among the plurality of delay signals by a selection circuit. The selected delay signal is compared with the emphasized video signal in emphasized-component detector circuitsand the overemphasized component is detected. Processing to suppress the emphasis is performed by suppressor circuitswith respect to a portion where the overemphasized signal component is detected.

Video signal processing method and device

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Kanagawa, Japan

Naoki Kaneko