公开(公告)号：US11199439B2

公开(公告)日：2021-12-14

申请号：US16808647

申请日：2020-03-04

Applicant: CANON KABUSHIKI KAISHA

Inventor： Yasushi Nakata

IPC: G01J1/02 ,  G01J1/42 ,  G01J1/44

Abstract: A photodetector device and an optical encoder device that can suppress level variation of a detection signal are provided. A photodetector device of one embodiment includes: a light receiving unit including a plurality of photoelectric conversion elements; a selector circuit that selects a first photoelectric conversion element group and a second photoelectric conversion element group, in the light receiving unit; a differential amplifier that outputs a detection signal in accordance with a difference between a first output signal of the first photoelectric conversion element group and a second output signal of the second photoelectric conversion element group; and a correction unit that corrects the detection signal based on the first output signal and the second output signal.

公开(公告)号：US20210382301A1

公开(公告)日：2021-12-09

申请号：US17334023

申请日：2021-05-28

Applicant: YOUNG OPTICS INC.

Inventor： Wei-Ting CHIU ,  Chu-Tsung CHAN ,  Sandeep Kumar PARAL ,  Chia-Chang LEE

IPC: G02B27/00 ,  G02B7/02 ,  G01J1/02

Abstract: An optical measurement apparatus includes a thermal insulation housing, a first light-transmissive plate, a second light-transmissive plate, a heat-conductive layer, a cooling source and a photosensor. The thermal insulation housing, the first light-transmissive plate and the second light-transmissive plate define a chamber. The heat-conductive layer is disposed in the chamber, the cooling source is coupled to the heat-conductive layer, and the photosensor is disposed outside the chamber and on one side of the second light-transmissive plate facing away from the first light-transmissive plate.

公开(公告)号：US11193821B2

公开(公告)日：2021-12-07

申请号：US16213197

申请日：2018-12-07

Applicant: STMICROELECTRONICS PTE LTD

Inventor： Laurent Herard ,  David Gani

IPC: H01J40/14 ,  G01J1/02 ,  G01J1/42

Abstract: One or more embodiments are directed to ambient light sensor packages, and methods of making ambient light sensor packages. One embodiment is directed to an ambient light sensor package that includes an ambient light sensor die having opposing first and second surfaces, a light sensor on the first surface of the ambient light sensor die, one or more conductive bumps on the second surface of the ambient light sensor die, and a light shielding layer on at least the first surface and the second surface of the ambient light sensor die. The light shielding layer defines an opening over the light sensor. The ambient light sensor package may further include a transparent cover between the first surface of the ambient light sensor die and the light shielding layer, and an adhesive that secures the transparent cover to the ambient light sensor die.

公开(公告)号：US20210364350A1

公开(公告)日：2021-11-25

申请号：US17397418

申请日：2021-08-09

Applicant: ECLIPSE Rx, LLC

Inventor： Brian M. Matthys

IPC: G01J1/42 ,  G01J1/02 ,  H04B1/3827

Abstract: A system for monitoring ultraviolet (UV) exposure of a wearer. The system comprises a wearable device operable to sense UV radiation levels to which the wearer is exposed, and to transmit UV radiation information. The system further comprises an external computing device in remote communication with the wearable device, operable to receive the UV radiation information from the wearable device and configured to determine the wearer's real-time UV index value and the wearer's daily cumulative percentage of minimal erythema dose based upon the UV radiation information.

公开(公告)号：US20210345468A1

公开(公告)日：2021-11-04

申请号：US17373167

申请日：2021-07-12

Applicant: Apple Inc.

Inventor： Alfredo Bismuto ,  Yi-Kuei Ryan Wu ,  Thomas Schrans ,  Andrea Trita ,  Aaron Zilkie

IPC: H05B47/105 ,  G02B6/293 ,  G01J1/42 ,  G01J1/02 ,  G02B6/42

Abstract: Disclosed herein is an integrated photonics device including a frequency stabilization subsystem for monitoring and/or adjusting the wavelength of light emitted by one or more light sources. The device can include one or more selectors that can combine, select, and/or filter light along one or more light paths, which can include light emitted by a plurality of light sources. Example selectors may include, but are not limited to, an arrayed waveguide grating (AWG), a ring resonator, a plurality of distributed Bragg reflectors (DBRs), a plurality of filters, and the like. Output light paths from the selector(s) can be input into one or more detector(s). The detector(s) can receive the light along the light paths and can generate one or more signals as output signal(s) from the frequency stabilization subsystem. A controller can monitor the wavelength and can adjust or generate control signal(s) for the one or more light sources to lock the monitored wavelength to a target wavelength (or within a targeted range of wavelengths).

公开(公告)号：US11162838B2

公开(公告)日：2021-11-02

申请号：US16641684

申请日：2018-10-30

Applicant: OMRON Corporation

Inventor： Yasuchika Konishi ,  Keisaku Kikuchi ,  Yuya Yamada ,  Satoshi Nishiuchi

IPC: G01J1/44 ,  G01V8/20 ,  G01J1/02

Abstract: The present invention allows a user to easily grasp which light receiving section is in what light reception state. The multiple-optical-axis photoelectric sensor (10) includes: a plurality of light receiving sections (110); a display section (120) which is provided in the vicinity of a corresponding light receiving section among the plurality of light receiving sections (110), the display section (120) displaying a light reception state of the corresponding light receiving section; and a display control section (103) which causes the display section (220) and the display section (120) to simultaneously display the light reception state.

公开(公告)号：US11156753B2

公开(公告)日：2021-10-26

申请号：US15845607

申请日：2017-12-18

Applicant: Viavi Solutions Inc.

Inventor： Markus Bilger ,  Richard A. Bradley, Jr.

IPC: G02B5/20 ,  G01J1/04 ,  G01J3/02 ,  G02B5/28 ,  G01J1/02 ,  G02B1/11 ,  G03F7/00 ,  G02B5/00 ,  G01J3/12 ,  G02B13/14

Abstract: An optical filter may include a monolithic substrate. The optical filter may include a first component filter disposed onto a first region of the monolithic substrate. The first component filter may be a near infrared (NIR) bandpass filter. The optical filter may include a second component filter disposed onto a second region of the monolithic substrate. The second component filter may include a red-green-blue (RGB) bandpass filter. A separation between the first component filter and the second component filter may be less than approximately 50 micrometers (μm).

公开(公告)号：US11156497B2

公开(公告)日：2021-10-26

申请号：US16651901

申请日：2018-09-25

Applicant: Apple Inc.

Inventor： Alfredo Bismuto ,  David I. Simon ,  Jason Pelc

IPC: G01J1/42 ,  G01J1/02 ,  G01J1/04

Abstract: A device including a plurality of epitaxial chips is disclosed. An epitaxial chip can have one or more of a light source and a detector, where the detector can be configured to measure the optical properties of the light emitted by a light source. In some examples, one or more epitaxial chips can have one or more optical properties that differ from other epitaxial chips. The epitaxial chips can be dependently operable. For example, the detector located on one epitaxial chip can be configured for measuring the optical properties of light emitted by a light source located on another epitaxial chip by way of one or more optical signals. The collection of epitaxial chips can also allow detection of a plurality of laser outputs, where two or more epitaxial chips can have different material and/or optical properties.

公开(公告)号：US11154629B2

公开(公告)日：2021-10-26

申请号：US16164150

申请日：2018-10-18

Applicant: Samuel Richard Trapani

Inventor： Samuel Richard Trapani

IPC: A61L2/10 ,  A61L2/24 ,  A61L2/20 ,  A61L9/015 ,  A61L9/20 ,  G01J1/02 ,  G01J1/42

Abstract: A sterilization system consisting of a mobile emitter, a sensing subsystem and a data logging subsystem is described. The emitter has one or more UV emitting lamps or devices. The sensing system comprises at least one remote UV sensor and at least one door sensor. The door sensor comprises a safety shut off door detector and may contain an emergency stop detector and arming detector to protect people from being exposed to UV energy. The system has a remote control for starting, stopping and setting system parameters which include but are not limited to: treatment time, dosage, room size, room number, unit number, floor, facility name, operator name, operator identification number, password, default dosage values, dosage, and patient identification number. The number of treatments per unit of time can be maximized because of the use of incident light measurement.

公开(公告)号：US11150129B2

公开(公告)日：2021-10-19

申请号：US16405764

申请日：2019-05-07

Applicant: EMINENT ELECTRONIC TECHNOLOGY CORP. LTD.

Inventor： Yi-Yung Chen ,  Kao-Pin Wu ,  Tom Chang

IPC: G01J1/02 ,  G01J1/42 ,  G01J1/44

Abstract: An optical sensing module has a light source and an optical sensing integrated circuit device. The optical sensing integrated circuit device has an optical sensor and a grating. The optical sensor and the light source are arranged along a first direction. The grating is formed over the optical sensor and has multiple parallel wires. The multiple wires are perpendicular to the first direction.