Abstract: An optical scanning device includes a laser-beam-phase-modulatable liquid crystal device. The liquid crystal device has stripe-like electrode patterns arranged in one direction, with a provision of a part for changing an effective value of a driving voltage separately for each of stripe-like electrode patterns.

Abstract: An optical scanning device deflects a light beam emitted from a light source device by a vibrating mirror, scans a scanning surface with deflected light beam, and focuses the light beam onto the scanning surface by a scanning imaging optical system. The optical scanning device includes an offset detecting unit that detects an offset that is a deviation between a center of vibration amplitude of the vibrating mirror and a center of an optical scanning area and an adjusting unit that adjusts the center of the vibration amplitude when the offset detected by the offset detecting unit is larger than a predetermined value.

Abstract: A laser beam scanning device is disclosed. The laser beam scanning device includes a diffraction optical element which forms a pattern of a diffraction image including two images extending in a direction corresponding to the sub scanning direction and one image extending in a direction inclined by ? (0<?<90°) from the direction corresponding to the sub scanning direction by inputting a laser beam which is led to a surface of a photoconductor drum, and a light receiving element which receives the pattern of the diffraction image.

Abstract: An optical scanning device includes a deflecting unit that deflects a laser beam from a light source in a main-scanning direction; a scanning imaging unit that focuses the laser beam deflected by the deflecting unit on a scanning surface and scans the scanning surface with focused laser beam; and a light receiving unit that detects optical intensity of the laser beam and a synchronous timing in the main-scanning direction and that includes a plurality of photodetecting elements arranged on a substrate in the main-scanning direction.

Abstract: A phosphorus compound-complexed activated carbon capable of easily realizing an electric double layer capacitor having high capacitance per unit volume and excellent durability is provided. A phosphorus compound-complexed activated carbon for an electric double layer capacitor having a phosphorus atom content of 1,000 ppm or more, and 20,000 ppm or less, a BET specific surface area of 1,600 m2/g or more, and 2,200 m2/g or less, an average pore diameter of 1.7 nm or more, and 2.1 nm or less, and a pore volume of pores having pore diameters within the range of 1.4 nm to 2.0 nm calculated by a Cranston-Inkley method of 0.25 cm3/g or more. This phosphorus compound-complexed activated carbon is produced by kneading an activated carbon and phosphoric acid at 130° C. to 170° C., conducting molding, and after executing a first heating process in which heating is conducted at 100° C. to 230° C., a second heating process in which heating is conducted at 400° C. to 600° C.

Abstract: A disclosed optical scanning device includes a light source unit configured to emit a laser beam; an oscillating mirror configured to deflect the laser beam from the light source unit; a scanning/imaging optical system configured to focus the deflected laser beam on a target surface; and plural light-receiving elements configured to receive the laser beam in a scanning area of the laser beam, the position of the oscillating mirror being adjusted such that time intervals between output pulses in output signals of the respective light-receiving elements become substantially the same between the light-receiving elements and/or widths of the output pulses become substantially the same between the light-receiving elements.

Abstract: An optical scanner is disclosed that has an optical source unit that emits a laser beam; a vibration mirror by which the laser beam from the optical source unit is deflected to scan; a driving circuit that vibrates the vibration mirror based on a driving signal generated from a reference clock; a light-receiving element that receives the laser beam within the scanning area of the laser beam; and a controlling unit that corrects the driving signal so as to make a phase deviation between the reference phase clock and the output signal of the light-receiving element constant.

Abstract: A metal material that is, without using expensive apparatus, carburized in a low temperature region where crystal grains do not grow so much, and a producing method of the metal material are provided. A metal material mainly containing iron, wherein a surface of the metal material is subjected to a carburization treatment by a treatment using fullerenes as a carbon source.

Abstract: There is provided a film-forming product used for forming a film containing fullerenes as a main component. The film containing fullerenes as a main component may be used as a mold release agent and a lubricant as well as a colorant, a writing utensil, cosmetics and a mending material. The present invention relates to a film-forming product constituted of a molded product containing fullerenes as a main component. In the preferred embodiment of the present invention, the film-forming product has a bar shape, and used for forming a mold releasing film or a lubricating film.

Abstract: Each light detecting sensor, which is installed corresponding to each photoconductor drum, and to which the plurality of light beams passing through the scanning optical system are incident while moving in a main scanning direction includes a light-receiving device having a first light-receiving unit and a second light-receiving unit, which have different intervals from each other in the main scanning direction depending on a position of a sub-scanning direction, all the sizes of the first and the second light-receiving units being sizes covering an overall virtual area in a quadrangular shape surrounding a plurality of light spots in the light-receiving surface.

Abstract: An optical scanning device includes a laser-beam-phase-modulatable liquid crystal device. The liquid crystal device has stripe-like electrode patterns arranged in one direction, with a provision of a part for changing an effective value of a driving voltage separately for each of stripe-like electrode patterns.

Abstract: A light scanning device includes a semiconductor laser which emits a laser beam in response to an image forming signal, an optical deflector which scans the laser beam emitted from the semiconductor laser in a main scanning direction, and a liquid crystal deflecting element which changes the scanning position of the laser beam emitted from the semiconductor laser while desynchronized with output of the image forming signal, thereby to correct the scanning position of the laser beam in a sub-scanning direction.

Abstract: A carbon black is provided which is useful as an electrocatalyst carrier. The carbon black has a DBP oil absorption of 170 to 300 cm3/100 g, a specific surface area as measured by a BET method of 250 to 400 m2/g, a primary particle diameter value of 10 to 17 nm, and a total volume of open pores at the surface which have a pore radius of 10 to 30 nm of 0.40 to 2.0 cm3/g. The electrocatalyst can be used in electrochemical devices such as solid polymer electrolyte fuel cells.

Abstract: A road-ice detecting sensor includes: a temperature sensing member of T shape made of a highly heat conductive metal, having a temperature sensor to be grounded onto a road and a fin part erected from this temperature sensor; an optical fiber having an FBG bonded onto the fin part of the temperature sensing member; and a case having a heat insulating member surrounding the fin part of the temperature sensing member and the optical fiber. A plurality of number of the read-ice detecting sensors are installed on a road, connected to one another via an optical cable. Pulsed light is launched into one of the ends of the optical cable, and beams of reflected light from the respective road-ice detecting sensors are received to measure the road temperature.

Abstract: An optical scanning apparatus which includes: a light source unit which emits a light beam; a deflection scanning device which deflects the light beam emitted from the light source unit; an optical scanning unit having a scanning imaging lens and which scans a surface to be scanned; and a light beam detector which detects a position in a sub-scanning direction of the light beam, and is disposed in a position maintaining a correlation, in a time-varying characteristic, between an amount of change of a position in the sub-scanning direction of the light beam on the surface to be scanned and an amount of change of a position in the sub-scanning direction of the light beam detected by the light beam detector, in which a difference between the amount of change of the position in the sub-scanning direction of the light beam on the surface to be scanned and the amount of change of the position in the sub-scanning direction of the light beam detected by the light beam detector is equal to or less than a set value.

Abstract: A laser beam scanning device is disclosed. The laser beam scanning device includes a diffraction optical element which forms a pattern of a diffraction image including two images extending in a direction corresponding to the sub scanning direction and one image extending in a direction inclined by ? (0<?<90°) from the direction corresponding to the sub scanning direction by inputting a laser beam which is led to a surface of a photoconductor drum, and a light receiving element which receives the pattern of the diffraction image.

Abstract: It is intended to provide a novel oligopeptide which can be relatively easily produced, has not only a hair growth-stimulating effect but also an effect of promoting the growth of epithelial cells (for example, skin regeneration) and can easily pass through the horny layer to thereby reach the desired target cells in which its effects are to be exerted. Namely, water-soluble oligopeptides containing a proryl isoleucyl glycyl unit or an isoleucyl glycyl serine unit and having from 3 to 7 amino acids and water-soluble salts thereof.

Abstract: A lubrication apparatus that lubricates mechanism of a molding machine. The lubrication apparatus includes a tank for collecting lubrication oil therein, and a lubrication oil supply route for supplying lubrication oil from the tank.

Abstract: An optical scanning unit includes an optical deflector, a plurality of scanning optical systems, and a pixel-clock generating unit. A photodetector is arranged in at least two locations on a writing-start side and a writing-end side outside the writing area. The optical scanning unit measures a scanning time, and corrects respective dot positions of image data in the writing area to arbitrary positions based on an amount of fluctuation of the scanning time measured.

Abstract: The present invention provides a carbonaceous fiber woven fabric suitable for use as a gas diffusion layer material for solid polymer electrolyte fuel cells. Namely, the conductive carbonaceous fiber woven fabric of the present invention contains carbonaceous fiber yarns having a metric count of 16 to 120, a carbonaceous fiber content of at least 60% by weight, a weight per unit area of 50 to 150 g/m2, a woven cloth thickness of 0.05 to 0.33 mm, and an in-plane volume resistivity of no more than 0.1 ?cm.