23results about "Optical radiation measurement" patented technology

A wearable device to measure a user's physiological parameters comprising one or more biosensors, as well as a light source comprising light emitting diodes, lenses for directing light towards tissue of the user comprising blood vessels, and a detection system receiving reflected tissue light. The physiological parameters, for example hypertension, are measured with a differential measurement. For example, the physiological parameters may be associated with pulse rate and blood flow. The output signal is associated with the physiological parameters, and artificial intelligence may be used in making decisions regarding the output signal. Signal-to-noise ratio of the output signal may be improved by synchronizing the detection system to the light source, increasing light intensity, and detecting a change. The wearable device is configured to determine that is being worn by the user and may be configured to communicate with a smartphone or tablet.

3D cameras may serve as an input to a multi-modal generative artificial intelligence (GAI) model operating on a processor coupled to a non-transitory computer readable medium. Examples of 3D cameras include direct or indirect time-of-flight sensors or structured light systems and may also be coupled to 2D cameras. The GAI comprises a vision transformer configured to analyze an item in an input video or image. The vision transformer comprises self-attention and positional encoding layers. The GAI may be trained using reinforcement learning or fine-tuning involving training images or videos, and it may perform data fusion by combining the 3D information with data from other sensors. The GAI may perform anomalous occurrence detection by training on images or videos corresponding to normal occurrences. The GAI detects differences in an image or video that fall outside of a threshold value. The GAI may also provide safeguards for privacy issues.

An optical sensing system comprises a human interface structure to be applied to a user. The system comprises a time-of-flight sensor with an array of laser diodes with Bragg reflectors operating in the near-infrared, a detection system, and a processor generating a time-of-flight measurement and a first image. The system also includes a first camera system capturing a second image, and a second camera system illuminated by light emitting diodes to monitor one or more eyes of the user. In communication with or operating on the processor is an artificial intelligence assistant, which comprises a multi-modal generative artificial intelligence model. The system may be part of wearable eyewear such as smart glasses or extended reality goggles. The system may perform gesture analysis, eye tracking and speed recognition, and video and verbal outputs can be provided to the user. An artificial intelligence agent may have awareness of the environment.

An enhanced shipping container apparatus that maintains packages is described having integrated fire suppression. The apparatus has a container base supporting the packages, multiple container walls coupled to the container base, and a container top coupled to each of the container walls. A fire suppression panel is integrated as part of one or more of the walls and top portion, and has a support sheet of fire resistant material; an interior exposed sheet of temperature sensitive material; a sealed boundary connecting the support sheet and interior exposed sheet on peripheral edges (where the sealed boundary, support sheet and interior exposed sheet define a holding cavity), and integrated fire suppression material in the holding cavity. The temperature sensitive material of the interior exposed sheet releases the integrated fire suppressant material from within the holding cavity when the temperature sensitive material of the interior exposed sheet is exposed to a threshold temperature.

A surgical visualization system (4000, 4006) is disclosed. The surgical visualization system is configured to identify one or more structure(s) (4001a, 4001b) and / or determine one or more distances with respect to obscuring tissue and / or the identified structure(s). The surgical visualization system can facilitate avoidance of the identified structure(s) by a surgical device. The surgical visualization system (4006) can comprise a first emitter configured to emit a plurality of tissue-penetrating light waves and a second emitter configured to emit structured light (4008) onto the surface (4005) of tissue (4003). The surgical visualization system can also include an image sensor configured to detect reflected visible light, tissue-penetrating light, and / or structured light. The surgical visualization system can convey information to one or more clinicians regarding the position of one or more hidden identified structures (4001a, 4001b) and / or provide one or more proximity indicators. In various instances, imaging data from different sources and / or obtained at different times can be integrated.

A measurement system with active illumination using pulsed semiconductor diodes and a detection system comprising a camera imager with lenses and spectral filters that is synchronized to the pulsed diodes. The light generated by the diodes may comprise visible or near-infrared wavelengths. The measurement system may also comprise a time-of-flight sensor or a beam splitter to separate the diode light into a plurality of spatially separated lights. The detection system may be configured to receive light reflected from tissue comprising skin and may be configured to perform a differential measurement between a hand and another region of tissue. The measurement system including a processor may be configured to identify veins in the hand or measure oxygen level in blood. The system may be used to identify an object or to measure physiological parameters. The system may also be coupled to a cloud service and use artificial intelligence in making decisions.

A low-cost and reconfigurable autonomous microscopy platform is provided capable of automated slide scanning and correlated brightfield and fluorescence imaging. Method of spectral imaging using the platform with applications including infectious disease diagnosis is also provided herein.

The invention discloses a dynamic self-regulation oxygen production and supply system for mining mechanical equipment in a high altitude area. The dynamic self-regulation oxygen production and supply system comprises a dirty air purification circulation system, an oxygen supply system, a fresh air mixing system and an environment detection and precise oxygen supply system, the dirty air purification circulation system performs two-stage purification treatment on operation dirty air through wet cyclone and dry filtration; the oxygen supply system is pressurized through an air compressor with air pressure compensation, and oxygen-enriched air is prepared by adopting a pressure swing adsorption principle; the fresh air mixing system is used for uniformly mixing the purified circulating air with the oxygen-enriched air; the environment detection and precise oxygen supply system drives a jet device to realize fixed-point oxygen supply by monitoring oxygen concentration in real time and positioning personnel. Through intelligent cooperation of multiple modules, the technical bottlenecks that oxygen carrying is difficult in the high-altitude low-pressure environment, traditional ventilation is high in energy consumption, and the oxygen utilization rate is low are overcome, efficient cyclic utilization of oxygen, accurate supply according to needs and system energy consumption optimization are achieved, and the safety of high-altitude mine excavation operation and the working efficiency of personnel are remarkably improved.

An apparatus, means and method for supporting and providing multi-sensory and kinesthetic stimulation to a user includes a plurality of base joint mechanisms, a seat cushion, an actuator, an acoustic speaker, a display illumination, a sensor, a Holter monitor, and a computing device. The Holter monitors and sensors provide a current set of signal information of the user's physical condition and environment to a computing device of the apparatus. A computing device of the apparatus then interprets the current set of signal information as well as the past set of information using an artificial intelligence algorithm to optimize and activate the actuation of the base joints, audio speakers and lighting and create coordinated and rhythmic multi-sensory and kinesthetic stimuli for the user.

A light emitter module (100, 210, 400, 500, 600, 700), comprising: an emitter component comprising a heater structure (110) arranged on a membrane structure (120), wherein the membrane structure (120) is arranged over a first cavity (130), the first cavity (130) being arranged between the membrane structure (120) and at least a section of a support substrate (140) of the emitter component, wherein the heater structure (110) is configured to emit light when a predefined current flows through the heater structure (110); a lid substrate (150) with a recess (160), wherein the lid substrate (150) is attached to the emitter component such that the recess (160) forms a second cavity (170) between the membrane structure (120) and the lid substrate (150), and wherein the pressure in the second cavity (170) is less than 100 mbar; and an optical filter structure (410) arranged vertically between the first cavity (130) and the support substrate (140) or between the second cavity (170) and the cover substrate (150), the second cavity (170) extends laterally outside the first cavity (130) closer to the supporting substrate (140) than the membrane structure (120).

An improved system detects an environmental anomaly in a shipping container and initiates a mediation response through a generated layered alert notification. The system includes sensor-based ID nodes associated with packages within the container, and a command node mounted to the container communicating with the ID nodes and an external transceiver on a vehicle transporting the container. The command node is programmed to detect sensor data from the ID nodes; compare the sensor data to package environmental thresholds in context data related to each ID node; detect the environmental anomaly when the comparison indicates an environmental condition for at least one package exceeds its environmental threshold; responsively generate a layered alert notification identifying a mediation recipient and mediation action, and establishing a mediation response priority based upon the comparison; and transmit the layered alert notification to the transceiver unit to initiate a mediation response related to the mediation action.

A method and device for monitoring a measurement object. A passive unit has a light source, which radiates radiated light modulated by at least one external measurement influence from the measurement object. An active unit has an optical detector, which receives the radiated and modulated light via an optical link. In addition, there is a transmitter unit emitting energy, such as optical energy, sound energy, electromagnetic energy etc. The emitted energy is coded by an energy signature and sent to the passive unit via an energy link. The passive unit receives the emitted energy by a receiver unit, which decodes the energy signature and moderates the radiated and modulated light in dependence of the energy signature. The received energy is also used to drive the light source. A processor unit may decode the signal for discriminating the signal from error sources.

A system for detecting and verifying an environmental anomaly within a shipping container (transported on a transit vehicle having an external transceiver) has wireless sensor-based ID nodes at different locations within the container and multiple command nodes mounted to the container. A first command node is programmatically configured to be operative to detect the sensor data broadcasted from the ID nodes; responsively identify the anomaly based upon the sensor data detected by that command node; and transmit a validation request to another command node. The other command node is configured to be operative to also detect the sensor data broadcasted from the ID nodes; receive the validation request from the first command node; verify the anomaly in response to the validation request and based upon the sensor data detected by the second command node; and broadcast a verification message based upon whether the anomaly for the shipping container is verified.

The cradle can be used to capture video of an object, such as hair. The video can then be used to extract and visualize color information associated with the material using a color cloud. The color cloud includes all colors present in one or more frames of the video. The cradle includes a video recording device that allows the material to be viewed through a window on the cradle. A smartphone can be used with the cradle to act as the video recording device as well as to provide lighting.

A light emitting device (100; 300; 400) comprising: a heater structure (140) configured to emit light when a predefined current flows through the heater structure (140), wherein the heater structure is arranged on a heater support structure (130); an upper portion (150) of a cavity disposed vertically between the heater support structure (130) and a cover structure (160); a lower portion (120) of the cavity disposed vertically between the heater support structure (130) and at least a portion of a support substrate (110); an optical filter structure configured such that light passing through the optical filter structure has a spectral maximum at a desired optical wavelength when the optical filter structure is implemented through the cover structure (160) or is arranged between the lower portion (120) of the cavity and a back surface of the light emitting device (100; 300; 400), wherein the optical filter structure comprises a plurality of semiconductor layers of a filter layer stack and a plurality of insulating layers or cavity layers of the filter layer stack arranged alternately; and Side walls of the upper section (150) and the lower section (120), wherein side walls of the upper section (150) or the lower section (120) on which the filter structure is arranged are formed by an oxide layer, wherein the heater support structure (130) comprises a plurality of holes connecting the upper portion (150) of the cavity and the lower portion (120) of the cavity, and wherein a pressure in the cavity is less than 100 mbar.

A bracket is provided for capturing video of an object such as hair. The video can then be used to extract and visualize color information associated with the material using a color cloud. The color cloud contains all colors present in one or more frames of the video. The bracket includes a video recording device capable of viewing the material through a window on the bracket. A smartphone can be used with the bracket to act as the video recording device and to provide illumination.

A surgical visualization system is disclosed. The surgical visualization system is configured to identify one or more structure(s) and / or determine one or more distances with respect to obscuring tissue and / or the identified structure(s). The surgical visualization system can facilitate avoidance of the identified structure(s) by a surgical device. The surgical visualization system can comprise a first emitter configured to emit a plurality of tissue-penetrating light waves and a second emitter configured to emit structured light onto the surface of tissue. The surgical visualization system can also include an image sensor configured to detect reflected visible light, tissue-penetrating light, and / or structured light. The surgical visualization system can convey information to one or more clinicians regarding the position of one or more hidden identified structures and / or provide one or more proximity indicators.

An improved system detects an environmental anomaly in a shipping container and initiates a mediation response through a generated layered alert notification. The system includes sensor-based ID nodes associated with packages within the container, and a command node mounted to the container communicating with the ID nodes and an external transceiver on a vehicle transporting the container. The command node is programmed to detect sensor data from the ID nodes; compare the sensor data to package environmental thresholds in context data related to each ID node; detect the environmental anomaly when the comparison indicates an environmental condition for at least one package exceeds its environmental threshold; responsively generate a layered alert notification identifying a mediation recipient and mediation action, and establishing a mediation response priority based upon the comparison; and transmit the layered alert notification to the transceiver unit to initiate a mediation response related to the mediation action.

A wearable device to measure a user's physiological parameters comprising one or more biosensors, as well as a light source comprising light emitting diodes, lenses for directing light towards tissue of the user comprising blood vessels, and a detection system receiving reflected tissue light. The physiological parameters, for example hypertension, are measured with a differential measurement. For example, the physiological parameters may be associated with pulse rate and blood flow. The output signal is associated with the physiological parameters, and artificial intelligence may be used in making decisions regarding the output signal. Signal-to-noise ratio of the output signal may be improved by synchronizing the detection system to the light source, increasing light intensity, and detecting a change. The wearable device is configured to determine that is being worn by the user and may be configured to communicate with a smartphone or tablet.

The present invention discloses a surgical visualization system. The surgical visualization system is configured to identify one or more structures and / or determine one or more distances relative to obscuring tissue and / or the identified structure. The surgical visualization system can facilitate a surgical device to avoid the identified structure. The surgical visualization system may include a first emitter configured to emit a plurality of tissue-penetrating light waves and a second emitter configured to emit structured light onto the surface of the tissue. The surgical visualization system may also include an image sensor configured to detect reflected visible light, tissue-penetrating light, and / or structured light. The surgical visualization system may convey information about the location of one or more hidden identified structures to one or more clinicians and / or provide one or more proximity indicators.

A handheld medical diagnostic device integrates at least seven sensor modules, including a high-magnification camera, otoscope camera, stethoscope, infrared thermometer, EKG, pulse oximeter, body composition monitor, glucometer, and / or hematology analyzer. The device features a system-on-chip (SoC) processor for intelligent data management, edge computing, and cloud-based AI processing, while applying privacy-preserving techniques. A wireless transceiver enables data transmission and reception between the sensors, edge compute nodes, and cloud platforms. The ergonomically designed housing includes a display with a force-sensitive layer for user input and navigation. The high-magnification camera module offers 300× magnification for visualizing blood cells and skin, with an annular LED array, encryption engine, and physically unclonable function (PUF) circuit. The otoscope camera module features a narrow profile for ear, nose, and throat imaging, with an annular LED array.

3D cameras may serve as an input to a multi-modal generative artificial intelligence (GAI) model operating on a processor coupled to a non-transitory computer readable medium. Examples of 3D cameras include direct or indirect time-of-flight sensors or structured light systems and may also be coupled to 2D cameras. The GAI comprises a vision transformer configured to analyze an item in an input video or image. The vision transformer comprises self-attention and positional encoding layers. The GAI may be trained using reinforcement learning or fine-tuning involving training images or videos, and it may perform data fusion by combining the 3D information with data from other sensors. The GAI may perform anomalous occurrence detection by training on images or videos corresponding to normal occurrences. The GAI detects differences in an image or video that fall outside of a threshold value. The GAI may also provide safeguards for privacy issues.

An active remote sensing system comprises near-infrared laser diodes including one or more Bragg reflectors and having a pulsed output with duration between 0.5 to 2 nanoseconds. A first lens receives and directs the laser diode light to an object or an atmosphere. A detection system receives light reflected from the object or atmosphere, which comprises a second lens and spectral filters in front of a photodiode array. The detection system is synchronized to the laser diodes and performs a time-of-flight measurement. The time-of-flight measurement is performed at least in part by measuring a temporal distribution of photons in the light reflected from the object or the atmosphere. The signal-to-noise ratio of the measurement or reflected signal may be improved using change detection or increasing light intensity or optical power density. In another embodiment, an object may be identified based on water absorption measured at two wavelengths.