Patent application number | Description | Published |
20080218828 | Optical scanning unit and image forming apparatus incorporating same - An optical scanning unit used for scanning a photoconductor includes a light source, a rotatable deflector, a driver, a scan lens, an optical element, a first casing, a second casing, a first cover, and a second cover. The rotatable deflector deflects a light beam generated by the light source to scan a surface of the photoconductor. The driver rotates the rotatable deflector. The scan lens converts the light beam deflected by the rotatable deflector with equiangular motion speed to a light beam having constant speed motion. The optical element is disposed along an optical path from the scan lens to the photoconductor surface. The first casing houses the light source, the rotatable deflector, and the scan lens. The second casing houses the first casing and the optical element. The first cover covers at least the first casing. The second cover covers the optical element housed in the second casing. | 09-11-2008 |
20110199663 | Optical scanning device and image forming apparatus - An optical scanning device of opposed scanning type, includes: a plurality of light sources, being arranged substantially symmetrically about a rotating deflection unit; a group of pre-deflection optical elements including optical elements that make the light beams incident on the rotating deflection unit; and scanning optical systems which are distributed to right and left with the rotating deflection unit as an axis of symmetry, wherein optical elements of the respective scanning optical systems are arranged substantially symmetrically about the rotating deflection unit, wherein a plurality of rib structures are arranged on respective areas of an optical housing substrate, the areas extends from the respective light sources to a vicinity of the rotating deflection unit, and the plurality of rib structures are arranged asymmetrically in the right and left optical systems with the rotating deflection unit as the axis of symmetry. | 08-18-2011 |
20110310455 | CURVE CORRECTION MECHANISM, OPTICAL SCANNER, AND IMAGE FORMING APPARATUS - A curve correction mechanism for correcting a direction and degree of curvature of a reflecting mirror that reflects a light beam includes an adjuster to contact and move a pressing member between a first position, where a first pressing portion of the pressing member presses against an outboard portion of the reflecting mirror provided outboard from a support that supports the reflecting mirror in a longitudinal direction of the reflecting mirror while a second pressing portion of the pressing member is isolated from the reflecting mirror, and a second position, where the second pressing portion of the pressing member presses against an inboard portion of the reflecting mirror provided inboard from the support while the first pressing portion of the pressing member is isolated from the reflecting mirror. | 12-22-2011 |
20110316958 | OPTICAL SCANNER AND IMAGE FORMING APPARATUS INCLUDING SAME - An optical scanner includes a housing, a light source, a polygon mirror, an optical device, and a holder. The housing includes a mounting portion. The light source projects light. The polygon mirror is enclosed within the housing and rotates to deflect the light projected from the light source. The optical device is disposed substantially near the polygon mirror. The holder is disposed within the housing and attached to the housing at the mounting portion, and holds the optical device in place. A distance L | 12-29-2011 |
20120062685 | Optical scanner and image forming apparatus including same - An optical scanner includes a light source, an optical part, a housing, and a retainer. The light source projects light against a target. The optical part is disposed on a light path between the light source and the target. The housing houses the light source and the optical part. The retainer fixed to the housing holds the optical part and includes a plurality of flanges disposed along an outer circumference of the retainer. One of the plurality of flanges of the retainer is adhered to the housing an adhesive agent. An image forming apparatus includes the optical scanner. | 03-15-2012 |
20120200655 | Optical Scanner And Image Forming Apparatus Including Same - An optical scanner includes a light source, an optical part, an enclosure, and a retainer. The light source projects light against a target. The optical part is disposed on a light path between the light source and the target. The enclosure houses the light source and the optical part. The retainer is fixed to the enclosure and includes a plurality of optical part mounts of identical shape and different sizes. The optical part is adhered to one of the plurality of optical part mounts. | 08-09-2012 |
20120300008 | OPTICAL WRITER AND IMAGE FORMING APPARATUS INCLUDING SAME - An optical writer includes a light source, an optical part, a housing, and an elastically deformable retainer. The light source projects light against a target. The optical part is disposed on a light path between the light source and the target. The housing houses the light source and the optical part. The elastically deformable retainer is detachably fixed to the housing and includes a plurality of contact portions on an inner surface of the retainer to hold the optical part. The retainer elastically deforms to separate at least one of the contact portions from other contact portions to hold the optical part by the plurality of contact portions. | 11-29-2012 |
20130106971 | OPTICAL SCANNER AND IMAGE FORMING APPARATUS INCLUDING SAME | 05-02-2013 |
20140146121 | OPTICAL SCANNING APPARATUS, METHOD FOR PERFORMING THE SAME AND IMAGE FORMING APPARATUS - An optical scanning apparatus for optically scanning at least one scanning target surface, the optical scanning apparatus including: a light source; a light-flux dividing unit disposed on a main optical path of a main light flux emitted from the light source, and the light-flux dividing unit configured to spatially divide the main light flux; an optical deflector disposed on a divided optical path of the divided light flux, and the optical deflector configured to deflect the divided optical path; an optical path opening/closing switch unit disposed on the divided optical path between the light-flux dividing unit and the optical deflector, and the optical path opening/closing switch unit configured to interrupt or pass at least one of the divided optical path; and a controller configured to control operation of interrupting or passing the at least one of the divided optical path by the optical path opening/closing switch unit. | 05-29-2014 |
20140146332 | OPTICAL SCANNER AND IMAGE FORMING APPARATUS INCORPORATING SAME - An optical scanner, which is included in an image forming apparatus, includes a light source including a recessed portion provided on an outer circumference thereof, and a housing configured to support the light source. The housing includes a positioning unit configured to position the light source in a vertical optical axis of the light source, and a cutout provided on an inner circumference of the positioning unit. The light source is positioned to the positioning unit with the recessed portion being disposed at the cutout and then is fixed to the housing. The image forming apparatus includes an image carrier configured to form an image on a surface thereof, and the above-described optical scanner. | 05-29-2014 |
20140146375 | OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS - An optical scanning device includes an optical housing; an elongated optical element arranged in the optical housing and having a shape extending in a main-scanning direction; a retaining member provided at a side opposite to a surface of the optical housing on which the optical element is arranged to maintain an attachment attitude of the optical element in the optical housing; a curvature adjusting unit configured to adjust a curvature of the elongated optical element in a scanning line via the retaining member; a tilt adjusting unit configured to adjust a tilt of the optical element in the scanning line by making the optical element rotate on an optical axis via the retaining member; and a positioning unit configured to position the optical element in the optical axis direction, and provided in the optical housing and having such a shape that the optical element fits the positioning unit. | 05-29-2014 |
Patent application number | Description | Published |
20100055191 | POWDER COMPOSITION, METHOD FOR PRODUCING THE SAME, AND FOOD COMPOSITION, COSMETIC COMPOSITION AND PHARMACEUTICAL COMPOSITION CONTAINING THE SAME - A powder composition of a functional oil material is obtained by drying an emulsion composition comprising at least one functional oil component and (i) at least one water-soluble encapsulating agent selected from saccharide containing at least two sugar units including a fructose unit or (ii) at least one water-soluble encapsulating agent selected from saccharides containing at least one galactose unit and one fructose unit. Food compositions, cosmetic compositions and pharmaceutical compositions are provided which contain the powder composition described above. | 03-04-2010 |
20110076311 | CERAMIDE DISPERSION - A ceramide dispersion, which includes at least: natural-ceramide-containing particles that are dispersed in an aqueous phase as an oil-phase component; and at least one surfactant, wherein the natural-ceramide-containing particles contain one or more natural ceramides in an amount of 50% by mass or higher with respect to the total mass of the oil components contained in an oil phase, and have a volume average particle diameter of from 0.5 nm to 100 nm; and the ceramide dispersion contains, in the at least one surfactant, at least one polyglycerin fatty acid ester having an HLB of from 10 to 16. | 03-31-2011 |
20110104340 | POWDERED COMPOSITION CONTAINING OIL-SOLUBLE COMPONENT, FUNCTIONAL FOOD USING THE SAME, AND PACKAGED PRODUCT THEREOF - To provide an powdered composition containing an oil-soluble component useful for functional foods, suppressing stickiness on the surface of powders, reducing powder-aggregation and being produced in high yield and upon dispersion in an aqueous medium, stably forming finely emulsified particles of 150 nm or less, as well as a packaged powdered composition storable for a long period without aggregating the powder or denaturing the component; | 05-05-2011 |
20110177144 | AQUEOUS COSMETIC PREPARATION AND METHOD FOR PRODUCING THE SAME - The present invention provides an a aqueous cosmetic preparation which includes at least a ceramide analog-containing particle that contains at least a ceramide analog and has a volume average particle diameter of from 2 nm to 150 nm, the particle is dispersed in an aqueous phase as an oil-phase component, and a fatty acid having 10 to 30 carbon atoms or salt thereof. The aqueous cosmetic preparation satisfies at least either a condition where the pH is 5.5 or more or a condition where the electric conductivity is 5.0 mS/cm or less. | 07-21-2011 |
20130172426 | FAT-REDUCING AGENT - A fat-reducing agent includes a carotenoid-containing composition as an active ingredient, the carotenoid-containing composition including: a carotenoid component including at least one crystalline carotenoid, wherein at least 90% by mass of the crystalline carotenoid is in the non-crystalline state; and a (poly)glycerin fatty acid ester containing from 1 to 6 glycerin units and from 1 to 6 fatty acid units, and having at least one hydroxyl group in the glycerin units. | 07-04-2013 |