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Patent Agency Ranking
公开(公告)号：US20190250493A1
公开(公告)日：2019-08-15
申请号：US16243642
申请日：2019-01-09
Applicant: SHARP KABUSHIKI KAISHA
Inventor： NORIAKI FUJII
CPC classification number: G03B21/2033 , G02B26/12 , G03B21/2013
Abstract: A laser light source device includes a plurality of semiconductor laser elements, an optical coupling element that couples together a plurality of laser beams that are emitted from the plurality of semiconductor laser elements, and a plurality of apertures, each provided between a corresponding one of the semiconductor laser elements and the optical coupling element, that correspond to the plurality of semiconductor laser elements, respectively. The plurality of apertures are set so that aperture diameters of the plurality of apertures become smaller as wavelengths of laser beams that pass through the respective apertures become shorter.
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公开(公告)号：US20210239968A1
公开(公告)日：2021-08-05
申请号：US17054007
申请日：2018-05-14
Applicant: SHARP KABUSHIKI KAISHA
Inventor： PETER JOHN ROBERTS , NORIAKI FUJII , SHIN ITOH
Abstract: To provide (i) a two-lens optical system, (ii) a beam combining module, (iii) a projector, and (iv) a method for assembling a two-lens optical system each of which allows for an improved lens positioning sensitivity [Means to Attain the Object] A two-lens optical system (100) includes a first lens (1) for use in collimation adjustment, the first lens being configured to move along only an optical axis of light emitted from a light source; and a second lens (2) for use in beam steering, the second lens being configured to move along only two axes perpendicular to the optical axis.
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公开(公告)号：US20190064643A1
公开(公告)日：2019-02-28
申请号：US16113452
申请日：2018-08-27
Applicant: SHARP KABUSHIKI KAISHA
Inventor： TAKATOSHI MORITA , NORIAKI FUJII , TOSHIO KAGAWA
Abstract: A housing provided to a light source device has a sliding surface to which a first lens portion is fixed and an inclined support surface to which a second lens portion is fixed. The sliding surface is vertical to a direction of an optical axis of a semiconductor laser and wider than a first fixing surface of the first lens portion that is fixed to the sliding surface. The inclined support surface is parallel to the direction of the optical axis and wider than a second fixing surface of the second lens portion that is fixed to the inclined support surface.
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公开(公告)号：US20190170866A1
公开(公告)日：2019-06-06
申请号：US16208386
申请日：2018-12-03
Applicant: SHARP KABUSHIKI KAISHA
Inventor： KATSUJI IGUCHI , HIDENORI KAWANISHI , KOJI TAKAHASHI , NORIAKI FUJII
Abstract: A photodetector measures flight time by an imaging optical element imaging reflected light from an illuminated illumination region of an object illuminated by pulse light, and a light detection portion receiving the imaged light. The light detection portion is formed larger than a projection region reflected at the illumination region of the object and imaged on the light detection portion. In the light detection portion, a portion overlaying the projection region is activated as a light-detection region.
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公开(公告)号：US20190120943A1
公开(公告)日：2019-04-25
申请号：US16168581
申请日：2018-10-23
Applicant: SHARP KABUSHIKI KAISHA
Inventor： KATSUJI IGUCHI , NORIAKI FUJII , HIDENORI KAWANISHI , KOJI TAKAHASHI
Abstract: A pulsed light emitting element emits pulsed light that is linearly polarized in a first polarization direction, the pulsed light passes through a polarizing beam splitter and a lens in this order and is radated onto a target object, reflected light passes through the lens and the polarizing beam splitter in this order, is linearly polarized in a second polarization direction that is different from the first polarization direction, and is concentrated on a light receiving element, the pulsed light emitting element and the light receiving element are provided on a focal plane of the lens, and the optical axis of the pulsed light and the optical axis of the reflected light overlap.
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