公开(公告)号：US10578779B2

公开(公告)日：2020-03-03

申请号：US16267944

申请日：2019-02-05

Applicant: KONICA MINOLTA, INC.

Inventor： Makoto Ooki ,  Hideo Uemura ,  Kazuki Ikeda

IPC: G03G15/04 ,  G02B3/00 ,  G03G15/043

Abstract: A micro lens array includes: a glass substrate; and a plurality of resin lenses arranged on at least one main surface of the glass substrate, wherein, among the plurality of lenses, resin lenses arranged on one main surface of the glass substrate are such that a plurality of lines of lenses arranged in a first direction is arranged side by side in a second direction different from the first direction, a core thickness, a radius of curvature, and a surface shape of a resin lens in a certain lens line are different from a core thickness, a radius of curvature, and a surface shape of a resin lens of another lens line, and the resin lenses have the same resin volume.

公开(公告)号：US10534298B2

公开(公告)日：2020-01-14

申请号：US15641531

申请日：2017-07-05

Applicant: Konica Minolta, Inc.

Inventor： Masahiko Takahashi ,  Makoto Ooki ,  Wataru Senoo ,  Atsushi Nagaoka ,  Hidenari Tachibe ,  Hajime Taniguchi ,  Takafumi Yuasa ,  Yoshitaka Otani

IPC: H04N1/00 ,  G03G15/00 ,  G01D5/34

Abstract: In a displacement sensor, an illumination optical system, which converts laser light emitted from an emission unit into first converging light, and irradiates with the first converging light a detection space through which a target moves. An imaging optical system converts laser light reflected from the target into second converging light, and irradiates with the second converging light a light-receiving surface of a detection unit. The image of the emission unit into which the illumination optical system focuses the first converging light is displaced along the optical axis of the imaging optical system by a temperature change of the illumination optical system. The range in which the image is displaced is limited to be located either anterior to the front principal point of the imaging optical system, or posterior to the rear principal point of the imaging optical system.

公开(公告)号：US10281345B2

公开(公告)日：2019-05-07

申请号：US15793348

申请日：2017-10-25

Applicant: Konica Minolta, Inc.

Inventor： Hideo Uemura ,  Kazuki Ikeda ,  Makoto Ooki

IPC: G01L1/24 ,  G01B11/16

Abstract: A strain sensor includes a marker, detectors and a calculator. The marker is disposed on a surface of a measurement object and includes a strain body and surface plasmon generating particles. In the strain body, a strain is formed by a load. The surface plasmon generating particles are arranged in two directions which are parallel to two in-plane directions of a light receiving surface of the strain body. The first detector detects a spectral intensity of a light which has been reflected on the marker or has passed through the marker. The second detector detects absorption spectral peaks corresponding to the respective array directions of the particles from the spectral intensity. The calculator calculates the quantity of the strain of the marker based on a difference in wavelength of the two absorption spectral peaks.

公开(公告)号：US12216424B2

公开(公告)日：2025-02-04

申请号：US18227017

申请日：2023-07-27

Applicant: KONICA MINOLTA, INC.

Inventor： Daisuke Kobayashi ,  Shohei Dokiya ,  Makoto Ooki ,  Takafumi Yuasa ,  Takaki Uemura ,  Masahiko Takahashi

IPC: G03G15/00

Abstract: A sheet type discrimination device includes: a first light source unit that irradiates a sheet with light having a first wavelength and light having a second wavelength; a detection unit that detects light from the sheet and acquires a detection value based on the light; and a control unit that derives a determination result of a type of the sheet, wherein the first light source unit and the detection unit are located on a same side with respect to the sheet, the detection value includes: a first detection value; and a second detection value, and the control unit discriminates first-type recycled paper by first processing using the first detection value, and discriminates second-type recycled paper different from the first-type recycled paper by second processing using the second detection value.

公开(公告)号：US10698333B2

公开(公告)日：2020-06-30

申请号：US16656130

申请日：2019-10-17

Applicant: Konica Minolta, Inc.

Inventor： Yoshihiro Inagaki ,  Makoto Ooki ,  Daisuke Kobayashi ,  Kazuki Ikeda ,  Nurnabila Mohdmakhtar

IPC: G03G15/04

Abstract: An image forming apparatus includes: a light-emitting element that includes light-emitting point groups; and an optical system that includes imaging systems focusing light from light-emitting points of the light-emitting point groups, wherein the light-emitting point groups and the imaging systems are combined into sets, the light-receiving surface has a cylindrical shape, each imaging system has a negative imaging magnification, light-emitting point groups are arranged at different positions, the imaging systems adjacent to each other have optical axes non-parallel to each other, each optical axis has an angle being not zero relative to the central normal, and a plane including the optical axis and the central normal is perpendicular to a rotational symmetry axis, and an angle between the optical axis and a line normal to the light-receiving surface is smaller than an angle between the central normal and a line normal to the light-receiving surface.

公开(公告)号：US20200117110A1

公开(公告)日：2020-04-16

申请号：US16591789

申请日：2019-10-03

Applicant: Konica Minolta, Inc.

Inventor： Kazuki IKEDA ,  Makoto Ooki ,  Yoshihiro Inagaki ,  Daisuke Kobayashi ,  Mohdmakhtar Nurnabila

IPC: G03G15/041 ,  G02B3/00 ,  G03G15/04

Abstract: An image forming apparatus includes a photoconductor, a light emitting substrate, and imaging optical systems, wherein an optical axis of the imaging optical systems are parallel, imaging magnifications of the imaging optical systems are substantially equal for the light emitting point groups, the imaging optical systems includes a first lens array, a second lens array, and apertures, central points of the light emitting point group exist in a first plane, central points of the imaging lenses exist in a second plane, central points of the apertures exist in a third plane, central points of the imaging lenses exist in a fourth plane, the first plane forms a non-zero predetermined angle with respect to a plane perpendicular to an optical axis direction, and the angle formed with respect to the plane perpendicular to the optical axis direction is greater in the order of the first, second, third, and the fourth plane.

公开(公告)号：US10088674B2

公开(公告)日：2018-10-02

申请号：US13857784

申请日：2013-04-05

Applicant: KONICA MINOLTA, INC.

Inventor： Wataru Senoo ,  Hideo Uemura ,  Makoto Ooki

IPC: G02B26/10 ,  G02B5/08 ,  G02B26/12

Abstract: In a laser scanning optical system, at least one of one or more scanning optical elements is made of a material having a photoelastic coefficient equal to or greater than 20×10−12 [Pa−1]; wherein at least one of one or more reflectors comprises a basal plate, and a metal film and a single-layer optical thin film evaporated on the basal plate; wherein the single-layer optical thin film has a thickness greater than 0.15λ and less than 0.40λ, wherein λ is a wavelength of the light beam; and wherein the light beams heading to both ends of an effective scanning range of the imaging surface, of which image heights are maximum, enter the one or more reflectors at angles of incidence equal to or greater than 10 degrees and less than 55 degrees.

公开(公告)号：US20180066937A1

公开(公告)日：2018-03-08

申请号：US15696867

申请日：2017-09-06

Applicant: KONICA MINOLTA, INC.

Inventor： Kazuki IKEDA ,  Makoto Ooki ,  Hideo Uemura

IPC: G01B11/16 ,  G01N21/25

CPC classification number: G01B11/16 ,  G01B11/18 ,  G01L1/241 ,  G01L1/247 ,  G01N21/25 ,  G01N2021/258

Abstract: A structural color changeable material includes a strain body and surface plasmon generating particles. In the strain body, a strain is produced by an external pressure or an internal change. The surface plasmon generating particles generate surface plasmon and are contained in the strain body. The surface plasmon is generated by an incident light with a wavelength of 2400 nm or less. A mean particle size of the surface plasmon generating particles is equal to or less than the wavelength of the incident light. The surface plasmon generating particles are periodically arranged parallel to an in-plane direction of a reflection surface of the incident light.

公开(公告)号：US20170227934A1

公开(公告)日：2017-08-10

申请号：US15410824

申请日：2017-01-20

Applicant: Konica Minolta, Inc.

Inventor： Kazuki Ikeda ,  Takashi Kurosawa ,  Hideo Uemura ,  Makoto Ooki

IPC: G05B6/02 ,  G05B15/02

CPC classification number: F16K31/02 ,  G01B11/16

Abstract: A drive device includes a drive member, a light source, a marker, a detector, a signal processor and a strain controller. The drive member includes at least a material which generates a plasmon. The drive member generates strain in response to input energy. The marker is formed on a surface of the drive member. Strain occurs in the marker in accordance with a deformation of the drive member and the marker reflects or transmits light emitted from the light source. The detector detects a light intensity of light reflected from or transmitted through the marker. The signal processor calculates an amount of strain which occurs in the marker based on the light intensity. The strain controller controls an amount of strain of the drive member based on the amount of strain calculated by the signal processor.