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公开(公告)号：US20220326072A1
公开(公告)日：2022-10-13
申请号：US17716818
申请日：2022-04-08
Applicant: RAM Photonics, LLC
Inventor： Per Adamson , Mike Cinquino , Joseph Lawson , Jordan Leidner
Abstract: A system for determining the profile of a laser beam includes a detector having a thermochromic liquid crystal film (TLCF) in thermal communication with a heat spreader and a thermoelectric cooler. The liquid crystal film has a thermochromic response such that heating of the film by a received laser beam creates a detectable color response at the film. The system also includes an image sensor and a controller configured to output an operating current for the TEC and receive images from the sensor. The system can selectively vary the temperature set point of the TEC to change the steady state temperature of the TLCF to examine the full intensity profile of the received beam even when the temperature response bandwidth of the TLCF is too narrow to display the full beam profile in a single color spot.
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公开(公告)号：US11467029B2
公开(公告)日：2022-10-11
申请号：US17186168
申请日：2021-02-26
Applicant: BrainLit AB
Inventor： Tord Wingren
Abstract: The present disclosure relates to a light exposure monitoring system that includes a central control server; a plurality of indoor light exposure zones and a positioning system configured to communicate with the central control server to determine: a position (P) of an individual within the plurality of indoor light exposure zones, and a distance between a head of the individual and a floor within the plurality of indoor light exposure zones
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公开(公告)号：US20220316942A1
公开(公告)日：2022-10-06
申请号：US17807458
申请日：2022-06-17
Applicant: Solar Light Company, LLC
Inventor： Michael H. BONITATIBUS , Curtis COLE
IPC: G01J1/42 , A61K8/27 , A61K8/35 , A61K8/368 , A61K8/40 , A61K8/41 , A61Q17/04 , G01J1/02 , G01J1/04 , G01J1/08 , G01J1/18
Abstract: A system, apparatus and method of improved measurement of the SPF factor of sunscreen compositions. In one embodiment, a method of measuring the protection of a sunscreen composition includes exposing skin to a known intensity of light, measuring the amount of remitted light from the skin, applying sunscreen to the skin, exposing the skin to which the sunscreen has been applied the known intensity of emitted light of the spectrum of light from which the sunscreen is intended to protect the skin, measuring the amount of light remitted from the skin, and calculating a UltraViolet-A Protection Factor (UVA-PF) of the sunscreen by comparing the amount of light remitted from the skin with the sunscreen to the amount of light remitted from the skin without the sunscreen.
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公开(公告)号：US20220307899A1
公开(公告)日：2022-09-29
申请号：US17618447
申请日：2020-07-15
Applicant: AMS INTERNATIONAL AG
Inventor： Ravi Kumar Adusumalli
Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for a light-to-frequency sensor conversion. In some implementations, a first output waveform is generated from a light signal, a frequency of the first output waveform being based on an intensity of the light signal, including integrating the light signal across multiple clock cycles. In response to receiving a notification, a hold operation is performed to stop integrating the light signal for a period of time. In response to an end of the hold operation, a second output waveform is generated that includes integrating the intensity of the light signal starting from the end of the hold operation over a count of the multiple clock cycles that start after the end of the hold operation by a delay amount. The first output waveform and the second output waveform are summed to determine the intensity of the light signal.
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公开(公告)号：US11437720B2
公开(公告)日：2022-09-06
申请号：US16634659
申请日：2018-08-03
Applicant: Littelfuse, Inc.
Inventor： Juergen Scheele , Darius Belazaras , Mindaugas Ketlerius
Abstract: An automobile antenna assembly including a housing adapted for installation on a roof of an automobile, the housing having a base portion and a fin portion extending from the base portion, a radio antenna disposed within the fin portion, and a photo radiation intensity sensor disposed within the base portion, the photo radiation intensity sensor including a first light detecting element located on a first side of the fin portion and a second light detecting element located on a second side of the fin portion opposite the first side, wherein at least a portion of the base portion is translucent for allowing light to be received by the first and second light detecting elements, the fin portion providing a light barrier between the first light detecting element and the second light detecting element.
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Patent Agency Ranking
公开(公告)号：US11419504B2
公开(公告)日：2022-08-23
申请号：US16457363
申请日：2019-06-28
Applicant: Fitbit, Inc.
Inventor： Jens Mitchell Nielsen , Jaclyn Leverett Wasson , Kyung Nim Noh , Man-Chi Liu , Alan Luu , Peter Colin Dess , Lindsey Michelle Sunden , Lukas Bielskis , Thomas Consolazio , Steven Thomas Woodward , Dennis Jacob McCray
Abstract: Various embodiments provide a wellness tracking device with a base plate that may be utilized as a combination electrode by a variety of sensors. The base plate may be a multi-material electrode that includes a conductor and a transparent or semi-transparent material to enable optical sensing. In certain embodiments, the base plate supports a plurality of different sensors, which may selectively utilize the base plate as an electrode.
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公开(公告)号：US20220264083A1
公开(公告)日：2022-08-18
申请号：US17737597
申请日：2022-05-05
Applicant: Waymo LLC
Inventor： Chen David Lu , Erik Chubb
Abstract: Methods, systems, and apparatus for a stray-light testing apparatus. In one aspect, the apparatus includes an optical assembly including a spatially extended light source and one or more optical elements arranged to direct light from the spatially extended light source along an optical path, a moveable frame supporting the optical assembly including one or more adjustable alignment features for guiding positioning of the stray-light testing apparatus relative to an onboard camera on a vehicle, and a shrouding mechanism attached to the frame and positioned on the frame such that, when the stray-light testing apparatus is aligned relative to the onboard camera on the vehicle and the optical path of the optical assembly is within the field of view of the onboard camera, ambient light exposure for the onboard camera is below a threshold.
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公开(公告)号：US20220263241A1
公开(公告)日：2022-08-18
申请号：US17735232
申请日：2022-05-03
Applicant: Littelfuse, Inc.
Inventor： Juergen Scheele , Darius Belazaras , Mindaugas Ketlerius
Abstract: An automobile antenna assembly including a housing adapted for installation on a roof of an automobile, the housing having a base portion and a fin portion extending from the base portion, a radio antenna disposed within the fin portion, and a photo radiation intensity sensor disposed within the base portion, the photo radiation intensity sensor including a first light detecting element located on a first side of the fin portion and a second light detecting element located on a second side of the fin portion opposite the first side, wherein at least a portion of the base portion is translucent for allowing light to be received by the first and second light detecting elements, the fin portion providing a light barrier between the first light detecting element and the second light detecting element.
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公开(公告)号：US11416074B1
公开(公告)日：2022-08-16
申请号：US16680902
申请日：2019-11-12
Applicant: Apple Inc.
Inventor： Nicholas R. Trincia
Abstract: An electronic device such as a wearable device may have a light guide system. The light guide system may have one or more light guide members. The light guide members may be formed from transparent elastomeric material such as silicone or other flexible material. Light sources such as light-emitting diodes and/or lasers may be used to supply light to the light guide members. The light guide members may have light-scattering structures that are configured to scatter light out of the light guide members at one or more locations along the lengths of the light guide members. Optical isolation layers such as coatings of white polymer or other flexible structures may be used to help confine light within the light guide members. A detector may be coupled to a light guide to detect light guide deformation due to contact with an external object.
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公开(公告)号：US20220244558A1
公开(公告)日：2022-08-04
申请号：US17605643
申请日：2020-04-15
Applicant: DAI NIPPON PRINTING CO., LTD.
Inventor： Makio KURASHIGE , Kazutoshi ISHIDA , Shumpei NISHIO
Abstract: An optical measurement device includes an optical system that focuses emitted light that is emitted from a measurement surface of a light emitting electronic display or a light emitting surface of which a speckle contrast or a sparkle contrast is to be measured; a two-dimensional sensor array having a two-dimensional sensor array surface on which the emitted light is focused, the two-dimensional sensor array capturing an image of the emitted light; and a calculation unit that calculates the speckle contrast or the sparkle contrast based on the image of the emitted light captured under an imaging condition under which a size of a light-emitting region on the measurement surface is constant, the light-emitting region contributing to formation of a diffraction limited spot of the emitted light on the two-dimensional sensor array surface.
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