公开(公告)号：US20240106194A1

公开(公告)日：2024-03-28

申请号：US18301994

申请日：2023-04-18

Applicant: FUJIFILM Business Innovation Corp. ,  FUJIFILM Corporation

Inventor： Daisuke IGUCHI ,  Kei Takeyama ,  Seiji Ono ,  Tomoaki Sakita ,  Takashi Kondo ,  Junichiro Hayakawa

IPC: H01S5/042 ,  G01B11/24 ,  G01S7/484 ,  G01S17/89 ,  H01S5/42

CPC classification number: H01S5/042 ,  G01B11/24 ,  G01S7/484 ,  G01S17/89 ,  H01S5/42

Abstract: A light-emitting array includes a light-emitting part having plural light-emitting block, a selection part that operates with a reference potential supplied from a reference part provided on an outside as a reference and selects the light-emitting block to be made to emit light, and a disconnection part that disconnects connection of the selection part and the reference part in a period during which a light emission current caused by low-side drive is flowing in the light-emitting block.

公开(公告)号：US20220337028A1

公开(公告)日：2022-10-20

申请号：US17405657

申请日：2021-08-18

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Takashi KONDO ,  Seiji ONO ,  Daisuke IGUCHI ,  Tomoaki SAKITA

IPC: H01S5/042 ,  H01S5/42 ,  G01B11/24

Abstract: A light-emitting device includes: plural light-emitting units; a driving unit that drives the light-emitting units by supplying a current to the light-emitting units; and a switching unit that is provided on a side opposite to a side where the driving unit is provided relative to the plural light-emitting units and switches light emission of the plural light-emitting units.

公开(公告)号：US20220308212A1

公开(公告)日：2022-09-29

申请号：US17380405

申请日：2021-07-20

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Daisuke IGUCHI ,  Takashi KONDO ,  Tomoaki SAKITA

IPC: G01S17/10 ,  G01S7/481 ,  G01S7/484 ,  G01B11/24 ,  G01S7/4915

Abstract: A detection apparatus includes: a light-emitting element array including plural light-emitting elements; a light-receiving element array including plural light-receiving elements configured to receive reflected light of light emitted from the light-emitting element array to an object to be detected; a drive unit configured to selectively drive the plural light-emitting elements; and a detection unit configured to cause the light-emitting elements to emit light and cause a first light-emitting element corresponding to a first light-receiving element having received light amounts less than a predetermined threshold among received light amounts of light received by all light-receiving elements to emit light to detect the object to be detected.

公开(公告)号：US20210265814A1

公开(公告)日：2021-08-26

申请号：US17109067

申请日：2020-12-01

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Daisuke IGUCHI ,  Kazuhiro SAKAI

IPC: H01S5/042 ,  G01S17/894 ,  G01S7/481

Abstract: A light-emitting device includes a laser unit; and a first capacitive element and a second capacitive element that supply a driving electric current to the laser unit; wherein the first capacitive element has a smaller capacity and smaller equivalent series inductance than the second capacitive element, and a length of a first electric current path along which the driving electric current output from the first capacitive element returns to the first capacitive element is shorter than a length of a second electric current path along which the driving electric current output from the second capacitive element returns to the second capacitive element.

公开(公告)号：US20210265809A1

公开(公告)日：2021-08-26

申请号：US17141183

申请日：2021-01-04

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Daisuke IGUCHI ,  Kazuhiro SAKAI

IPC: H01S5/026 ,  H01S5/183

Abstract: A light-emitting device includes a laser unit; and a first capacitive element and a second capacitive element that supply a driving electric current to the laser unit; wherein the first capacitive element has smaller equivalent series inductance than the second capacitive element, and the second capacitive element has a larger capacity and a smaller mount area than the first capacitive element.

公开(公告)号：US20230375681A1

公开(公告)日：2023-11-23

申请号：US18362353

申请日：2023-07-31

Applicant: FUJIFILM BUSINESS INNOVATION CORP.

Inventor： Daisuke IGUCHI ,  Takashi KONDO ,  Tomoaki SAKITA

IPC: G01S7/4865 ,  G01S17/04 ,  G01S7/484 ,  G01S7/486 ,  G06T7/521

CPC classification number: G01S7/4865 ,  G01S17/04 ,  G01S7/484 ,  G01S7/4868 ,  G06T7/521 ,  G06T2207/10028

Abstract: A detection device includes: a light emitting element array including a plurality of light emitting elements; a light receiving element array including a plurality of light receiving elements that receive reflected light of light emitted from the light emitting element array to an object to be detected; a driver that drives the light emitting elements; and a detector that detects the object to be detected while controlling at least one of a supply timing of a drive current to the light emitting elements to be caused to emit light and a light receiving timing of the light receiving elements so that a time from a start of light emission of the light emitting elements to be caused to emit light to the light receiving timing of the light receiving elements falls within a predetermined range even when a change occurs in an arrangement of the light emitting elements to be caused to emit light.

公开(公告)号：US20230333227A1

公开(公告)日：2023-10-19

申请号：US17978949

申请日：2022-11-01

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Daisuke IGUCHI

IPC: G01S7/4915 ,  G01S7/481 ,  G01S7/4911 ,  G01S17/32

CPC classification number: G01S7/4915 ,  G01S7/4815 ,  G01S7/4911 ,  G01S7/4816 ,  G01S17/32

Abstract: A distance measurement system including: a light emitting unit that includes a first light emission section and second light emission section including light emitting elements; a drive unit that causes light of a first frequency to be emitted from the first light emission section and causes light of a second frequency to be emitted from the second light emission section; a light receiving unit that includes light receiving element, a first light reception section, and a second light reception section, the first light reception section including a light receiving element that receives at least the light of the first frequency, and the second light reception section including a light receiving element that receives at least the light of the second frequency; and a distance measurement unit that measures a distance from a target object from a time from reflection of light radiated from the light emitting unit by the target object to reception of the light by the light receiving unit, by a time-of-flight phase difference method.

公开(公告)号：US20230305149A1

公开(公告)日：2023-09-28

申请号：US17985084

申请日：2022-11-10

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Daisuke IGUCHI

IPC: G01S17/10 ,  G01S7/481 ,  G01S7/4865

CPC classification number: G01S17/10 ,  G01S7/4815 ,  G01S7/4865

Abstract: A light emitting element array includes: plural light emitting elements that emit light having different wavelengths to a detection target object and are arranged to be adjacent to each other.

公开(公告)号：US20220006268A1

公开(公告)日：2022-01-06

申请号：US17478551

申请日：2021-09-17

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Takashi KONDO ,  Kenichi ONO ,  Daisuke IGUCHI ,  Yoshinori SHIRAKAWA ,  Tomoaki SAKITA ,  Tsutomu OTSUKA

IPC: H01S5/42 ,  G01B11/24 ,  G06K9/00 ,  G06K9/58

Abstract: A light-emitting device includes: a first light-emitting element array that includes plural first light-emitting elements arranged at a first interval; a second light-emitting element array that includes plural second light-emitting elements arranged at a second interval wider than the first interval, second light-emitting element array being configured to output a light output larger than a light output of the first light-emitting element array, and being configured to be driven independently from the first light-emitting element array; and a light diffusion member provided on an emission path of the second light-emitting element array.

公开(公告)号：US20210313762A1

公开(公告)日：2021-10-07

申请号：US17353480

申请日：2021-06-21

Applicant: FUJIFILM BUSINESS INNOVATION CORP.

Inventor： Takeshi MINAMIRU ,  Kazuhiro SAKAI ,  Daisuke IGUCHI

IPC: H01S5/042 ,  G01B11/24 ,  G01S7/484 ,  G01S17/894 ,  H01S5/0225 ,  H01S5/42 ,  G06K9/00

Abstract: A light-emitting device includes: a wiring substrate; a base member that is mounted on the wiring substrate; a light source that is mounted on the base member; a drive unit that is mounted on the wiring substrate and drives the light source; a wiring pattern that is on the wiring substrate, is connected to the light source and extends from a back surface side of the base member toward the drive unit; and a circuit element that is provided in a region on the base member between the light source and the drive unit, the region overlapping the wiring pattern in a plan view.