Fuji Xerox Co., Ltd.

Fujifilm Business Innovation Corp.

Fuji Photo Film Company, Limited

Jiro Minabe

Katsunori Kawano

Shin Yasuda

Yasuhiro Ogasawara

Kazuhiro Hayashi

Hisae Yoshizawa

Koichi Haga

Makoto Furuki

Tatsuya Maruyama

Norie Matsui

Tsutomu Ishii

Kazuhiro Hama

Daisuke Nakayama

Taichi Yamada

Shigetoshi Nakamura

Yasunari Nishikata

Yasufumi Suwabe

Yuzuru Fukuda

Takeshi Mikami

Masaaki Shimizu

Kentaro Ageishi

Kazuo Baba

Akira Tateishi

Hiroo Takizawa

Keishi Shimizu

Michiaki Murata

Motohiko Sakamaki

Takashi Fujimoto

Wataru Suzuki

Takashi Kikuchi

Hiroaki Satoh

Nobuhiro Katsuta

Takehiro Niitsu

Masahiro Igusa

Motoki Taniguchi

Ichirou Asai

Masayuki Ookoshi

Mihoko Wakui

Matsui Norie

Takehiko Niitsu

Kenichi Ohno

Hisea Yoshizawa

A light emitting element array includes: a light emitting element group that includes plural light emitting elements; and plural lenses that are provided, corresponding to the plural light emitting elements, on a light emitting surface side of the plural light emitting elements, and that deflects light emitted from the plural light emitting elements according to a positional relation with the plural light emitting elements. Distances between central axes of light emission of the plural light emitting elements and central axes of the plural lenses corresponding to the plural light emitting elements increase from a center side of the light emitting element group toward an end side of the light emitting element group, and a degree of change in the distances decreases from the center side of the light emitting element group toward the end side of the light emitting element group.

Light emitting element array and optical measuring system

A filament for three-dimensional modeling includes two or more kinds of resins; a fiber; and a compatibilizing agent, and has a sea-island structure including a sea part and island parts, the sea part including at least one kind of the two or more kinds of resins and the island parts including at least one kind of the two kinds of resins.

Filament for three-dimensional modeling

Provided is a shaping apparatus including: a stage; and a delivery unit configured to: deliver and apply a shaping material in which continuous fibers is impregnated with a resin onto the stage; and, configured to change delivery amounts between an inner side and an outer side of a path of the shaping material according to a difference in path lengths between the inner side and the outer side, the difference being generated when an applying direction of the shaping material is changed.

Shaping apparatus

A filament for three-dimensional modeling includes a first resin; a second resin; a fiber; and a compatibilizing agent, wherein a fiber coated with the second resin is dispersed in a matrix formed of the first resin, the compatibilizing agent is interposed between the first resin and the second resin, a thickness of a coating layer formed of the second resin is 0.1 &#x3bc;m or more and 5 &#x3bc;m or less, and a content rate of the second resin with respect to a total weight of the first resin, the second resin, and the compatibilizing agent is 30% by weight or more and 50% by weight or less, or 5% by weight or more and 15% by weight or less.

Filament for three-dimensional modeling, three-dimensional modeled article, three-dimensional modeling method, and three-dimensional modeling apparatus

A light guide device includes a light guide plate that includes a first surface and a second surface facing the first surface in one of which plural light exit portions are provided, that guides light introduced into the light guide plate while reflecting the light between the first surface and the second surface, and that refracts or reflects the guided light so as to cause the light to exit by using the plural light exit portions. The light guide device has an introduction portion that is provided in the light guide plate and that introduces at least part of light incident upon the introduction portion in plural directions in a plane where the light is guided by the light guide plate.

Light guide device, illumination device, and display

A holographic-stereogram-forming apparatus includes a laser beam source that generates a laser beam to be split into an object beam and a reference beam; a display that displays an original image corresponding to a substantially strip-shaped holographic element constituting a holographic stereogram containing parallax information in a horizontal direction; a diffusing unit provided on a light-emission side of the display and including optical elements having different thicknesses in a direction of light transmission, the optical elements being arranged in a matrix and each having a substantially rectangular shape with a vertical length being shorter than a horizontal length, the diffusing unit diffusing object beam more widely in the vertical direction than in the horizontal direction, the object beam to be diffused by the diffusing unit being generated by the display; and a condensing unit that condenses the object beam diffused by the diffusing unit on a hologram recording medium.

Holographic-stereogram-forming apparatus, diffusing member, and holographic-stereogram-forming method

A hologram recording device includes a light outputting unit, which sequentially outputs laser beams having different wavelengths such that the laser beams are coaxial and includes an optical member and laser beam sources, and a recording unit, which sequentially irradiates the recording medium with the laser beams to record holograms in a multiwavelength superimposing manner. The optical member includes optical elements that reflect, in the optical direction, a laser beam incident thereon in a direction crossing the optical axis direction, and that allow a laser beam incident thereon in the optical axis direction to pass therethrough. The laser beam sources radiate laser beams to the optical member, and are arranged so that a laser beam emitted from a laser beam source among the laser beam sources that exposes a recording medium for a longer exposure period with the laser beam passes through a smaller number of optical elements.

Hologram recording device

An exposure device includes at least one light emitting element that emits light in a normal direction of the substrate; at least one hologram element that is recorded on a recording layer arranged on the substrate to diffract light emitted from the light emitting element and condense the diffracted light on a condensing point on a normal line of the light emitting element; and at least one light inhibiting part that is arranged on a straight line that connects the light emitting element and the condensing point such that the light diffracted by the hologram element passes through the outside of the light inhibiting part and condenses at the condensing point, to inhibit transmission of zeroth-order light that goes straight toward the condensing point from the light emitting element without being diffracted by the hologram element.

Exposure device and image forming apparatus

An exposing device including a light emitting element array of light emitting elements arrayed in a row along a predetermined first direction; a hologram recording layer in which hologram elements are multiplex recorded such that each of the hologram elements corresponds to one of the light emitting elements and diffracts an emission beam from the light emitting element and converges the light onto a light exposure plane, such that focused beam spots are formed on the light exposure plane in a row along the first direction; and a first transmission control section, disposed at the light incident side of the hologram recording layer, provided with a structure in which light blocking sections and light transmitting sections are alternately arrayed along a second direction intersecting with the first direction, and selectively transmitting in the second direction light passing along the optical path of the reference beam.

Exposure apparatus and image forming apparatus having hologram elements

There is provided an exposure device including: a light-emitting element array at which a plurality of light-emitting elements, that emit light that passes through an optical path of diffused light, are arrayed one-dimensionally or two-dimensionally on a substrate; and a hologram element array at which a plurality of hologram elements are formed at positions, that respectively correspond to the plurality of light-emitting elements, of a hologram recording layer disposed on the substrate, so as to diffract and collect, at an outer side of illumination regions of all of the plurality of light-emitting elements, respective lights that are emitted from the plurality of light-emitting elements respectively.

Exposure device and image forming device

An exposure apparatus includes a substrate in which plural light-emitting devices are arrayed one-dimensionally or two-dimensionally; and a hologram recording layer that is disposed on the substrate, plural holograms being recorded in the hologram recording layer by holographic interference between a first beam and a second beam such that a predetermined number of beam spots are disposed in the hologram recording layer in a predetermined array direction according to a portion of light-emitting devices, the portion of light-emitting devices being selected as emitters from the plural light-emitting devices, the beam spot being formed by a light beam of the second beam, the first beam passing through an optical path of diffusion light that passes through the emitter, the second beam passing through an optical path of convergent light that converges at a predetermined distance outside the optical path of the first beam.

Optical exposure apparatus and systems

An exposure device includes a plurality of light emitting elements provided on a substrate, a plurality of hologram elements multiplexing-recorded in correspondence with the plurality of light emitting elements, respectively, such that, when the plurality of light emitting elements are made to emit light in the recording layer arranged on the substrate, a plurality of condensing points having light components emitted from two or more light emitting elements and condensed on one point, is formed, and a condensing point row extending in a predetermined direction is formed on the face to be exposed, and a driving unit that drives the plurality of light emitting elements, respectively.

There is provided an exposure device including: a light-emitting element array having an elongated support and plural light-emitting elements, the light-emitting elements being arranged in at least one row along a length direction of the support such that a spacing between two adjacent light-emitting elements is a pre-specified first spacing; and a hologram element array having a hologram recording layer disposed on the support and plural hologram elements formed, the plural hologram elements corresponding with each of the light-emitting elements and being formed such that a spacing along the support length direction between two adjacent hologram elements is the first spacing, and a diameter in the support length direction of each of the plural hologram elements being larger than the first spacing, such that a respective light emitted from each of the light-emitting elements is diffracted and focused toward a pre-specified image-forming plane by the corresponding hologram element.

An optical recording apparatus comprises: a focusing section that focuses to a transmission type recording medium a recording light beam including a signal light beam and a reference light beam which are radiated from a same direction with a common optical axis; and a focused-position moving section that moves with respect to a direction of the optical axis a focused position where the recording light beam is focused to the transmission type recording medium by the focusing section, wherein an interference fringe formed by the recording light beam is recorded in the transmission type recording medium at each position which is moved by the focused-position moving section.

Optical recording apparatus, optical recording method, recording medium, and reproducing method

An optical apparatus includes: a focusing lens that focuses light which is one of recording light being irradiated to an optical recording medium with reference light for recording a hologram and reference light being irradiated to an optical recording medium for reading out a hologram; and a focal position-shifting unit that refracts the light while moving in accordance with a moving speed of the optical recording medium, so as to shift a focal position of the light in the optical recording medium a distance in a thickness direction of the optical recording medium.

Growing community of inventors

Kanagawa, Japan

Jiro Minabe