Patents by Inventor Stefan Alexander

Stefan Alexander has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11377203
    Abstract: Systems, computer-implemented methods and/or computer program products that facilitate measuring weight and balance and optimizing center of gravity are provided. In one embodiment, a system 100 utilizes a processor 106 that executes computer implemented components stored in a memory 104. A compression component 108 calculates compression of landing gear struts based on height above ground of an aircraft. A gravity component 110 determines center of gravity based on differential compression of the landing gear struts. An optimization component 112 automatically optimizes the center of gravity to a rear limit of a center of gravity margin.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: July 5, 2022
    Assignee: GE Aviation Systems Limited
    Inventors: Edward Parker, Stefan Alexander Schwindt
  • Patent number: 11360472
    Abstract: A method of controlling an aircraft includes tracking, using at least one sensor, one of an input by a pilot or a biometric parameter of a first pilot during flight of the aircraft. The method also includes determining a lack of attention by the pilot or a depth of sleep of the pilot based on the biometric parameter.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: June 14, 2022
    Assignee: GE Aviation Systems Limited
    Inventor: Stefan Alexander Schwindt
  • Patent number: 11341352
    Abstract: A method 140 of assessing an operator emotional state 131 and sending an alert 144 based on the emotional state 131. The method 140 includes tracking 141 during a time period, using at least one sensor 103, 105, 106, 112, 117, one of an image sensor data, voice data or a biometric parameter of an operator. Determining 142, using a controller 120 that is operatively connected to at least one sensor 103, 105, 106, 112, 117, a probability of a likely emotional state 131 from a list of emotional states 131 of an operator based on one of the image sensor data, voice data or the biometric parameter. Comparing 143, using a processor, the probability of one of the likely emotional states 131 of the operator with a baseline emotional state 131 of the operator. Sending 144, using the controller 120, an alert if most likely emotional state deviates from the baseline emotional state by a predetermined threshold.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: May 24, 2022
    Assignee: GE AVIATION SYSTEMS LIMITED
    Inventors: Stefan Alexander Schwindt, Alexander S. Chen, Peter H. Tu
  • Patent number: 11328615
    Abstract: Route planning and movement of an aircraft on the ground based on a navigation model trained to improve aircraft operational efficiency is provided herein. A system comprises a memory that stores executable components and a processor, operatively coupled to the memory, that executes the executable components that comprise an assessment component, a sensor component, and a route planning component. The assessment component accesses runway data, taxiway data, and gate configuration data associated with an airport. The sensor component collects, from a plurality of sensors, sensor data related to performance data of an aircraft and respective conditions of the runway, the taxiway, and the gate configuration data. The route planning component employs a navigation model that is trained to analyze the sensor data, the runway data, the taxiway data, and the gate configuration data, and generate a taxiing protocol to navigate the aircraft to improve aircraft operational efficiency.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: May 10, 2022
    Assignee: GE Aviation Systems LLC
    Inventor: Stefan Alexander Schwindt
  • Publication number: 20220139233
    Abstract: A method for updating, for an aircraft, a first flight plan having a first set of flight parameters, includes receiving, via an avionics device, a change to the first flight plan, determining a second set of flight parameters based on the change to the first flight plan, receiving, by the avionics device, at least one of terrain data and special use airspace (SUA) data. The method includes performing, with the avionics device, a safety validation of the second set of flight parameters, wherein the safety validation comprises: comparing the second set of flight parameters with the received at least one of terrain data and SUA data, and determining, based on the comparison, whether the second set of flight parameters presents a risk to safe flight.
    Type: Application
    Filed: October 29, 2020
    Publication date: May 5, 2022
    Inventors: Stefan Alexander Schwindt, Joachim Karl Ulf Hochwarth
  • Patent number: 11300661
    Abstract: Systems, computer-implemented methods and/or computer program products that facilitate landing on emergency or unprepared landing strip in low visibility condition are provided. In one embodiment, a system 100 utilizes a processor 106 that executes computer implemented components stored in a memory 104. A selection component 108 selects candidate spaces from a navigation database or machine vision data for landing an aircraft. A guidance component 110 guides landing the aircraft on a landing strip from among the candidate spaces in low visibility condition.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: April 12, 2022
    Assignee: GE Aviation Systems Limited
    Inventors: Edward Parker, Stefan Alexander Schwindt
  • Patent number: 11299294
    Abstract: Systems, computer-implemented methods and/or computer program products that facilitate automating fault isolation of flight control surfaces and damage detection of aircraft are provided. In one embodiment, a system 100 utilizes a processor 102 that executes computer implemented components stored in memory 104. One or more sensors 106 monitor wing and flight control surface from one or more vantage points to obtain full coverage of the wing. A machine vision component 108 assesses condition of the wing and the flight control surface based on results of the one or more sensors 106. A spectrographic component 110 detects leaks by monitoring airflow for traces of fuel or hydraulic fluid.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: April 12, 2022
    Assignee: GE AVIATION SYSTEMS LIMITED
    Inventors: Edward Parker, Stefan Alexander Schwindt
  • Patent number: 11270621
    Abstract: A method and system for programming, calibrating and driving a light emitting device display, and for operating a display at a constant luminance even as some of the pixels in the display are degraded over time. The system may include extracting a time dependent parameter of a pixel for calibration. Each pixel in the display is configured to emit light when a voltage is supplied to the pixel's driving circuit, which causes a current to flow through a light emitting element. Degraded pixels are compensated by supplying their respective driving circuits with greater voltages. The display data is scaled by a compression factor less than one to reserve some voltage levels for compensating degraded pixels. As pixels become more degraded, and require additional compensation, the compression factor is decreased to reserve additional voltage levels for use in compensation.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: March 8, 2022
    Assignee: Ignis Innovation Inc.
    Inventors: Arokia Nathan, Gholamreza Chaji, Stefan Alexander, Peyman Servati, Richard I-Heng Huang, Corbin Church
  • Publication number: 20220057637
    Abstract: Systems, devices, and methods for eyebox expansion in wearable heads-up displays (“WHUDs”) are described. The WHUDs described herein each include a projector and an optical waveguide positioned in an optical path between the projector and an eye of the user. For any given light signal from the projector, the optical waveguide receives the light signal at an input coupler and outputs multiple instances or copies of the light signal from multiple discrete, spatially-separated output couplers. The multiple instances or copies of the light signal may be converged by the optical waveguide directly to respective exit pupils at the user's eye or may be routed by the optical waveguide to a holographic combiner in the user's field of view from which the light signals may be converged to respective exit pupils at the user's eye. The optical waveguide employs exit pupil replication to expand the eyebox of the WHUD.
    Type: Application
    Filed: November 2, 2021
    Publication date: February 24, 2022
    Inventors: Stuart James Myron Nicholson, Timothy Paul Bodiya, Stefan Alexander
  • Publication number: 20220046037
    Abstract: A system and method for compiling and monitoring a list of operational aircraft components to determine if a threshold is met. Utilizing the list and the threshold can provide for monitoring the network of aircraft components to monitor both health and security of the aircraft network and components thereof. The system can then indicate or alert when a threshold is met or exceeded. Such an alert can be on a display to a pilot, for example, or to a remote monitoring station.
    Type: Application
    Filed: August 4, 2020
    Publication date: February 10, 2022
    Inventors: Stefan Alexander Schwindt, Mustafa Hussain
  • Publication number: 20220013018
    Abstract: A method for updating a flight plan comprising, via an avionics device, at least a portion of a flight plan from an external source, authenticating or validating the update, generating a set of updated flight parameters, comparing the set of updated flight parameters with a current set of flight parameters, receiving a set of environmental conditions, performing a series of plausibility checks and automatically updating at least a portion of the flight plan or generating an indication.
    Type: Application
    Filed: July 10, 2020
    Publication date: January 13, 2022
    Inventor: Stefan Alexander Schwindt
  • Patent number: 11175506
    Abstract: Systems, devices, and methods for eyebox expansion in wearable heads-up displays (“WHUDs”) are described. The WHUDs described herein each include a projector and an optical waveguide positioned in an optical path between the projector and an eye of the user. For any given light signal from the projector, the optical waveguide receives the light signal at an input coupler and outputs multiple instances or copies of the light signal from multiple discrete, spatially-separated output couplers. The multiple instances or copies of the light signal may be converged by the optical waveguide directly to respective exit pupils at the user's eye or may be routed by the optical waveguide to a holographic combiner in the user's field of view from which the light signals may be converged to respective exit pupils at the user's eye. The optical waveguide employs exit pupil replication to expand the eyebox of the WHUD.
    Type: Grant
    Filed: September 26, 2018
    Date of Patent: November 16, 2021
    Assignee: Google LLC
    Inventors: Stuart James Myron Nicholson, Timothy Paul Bodiya, Stefan Alexander
  • Patent number: 11168283
    Abstract: The various aspects presented herein relate to the perfumery industry. More particularly, the various aspects presented herein relate to malodor counteracting compositions and/or ingredients, methods for counteracting malodors, as well as to the perfumed articles or perfuming compositions comprising as an active ingredient, at least one compound selected 5 from the group consisting of: 1-(2-methyl-4-tricyclo[5.2.1.01,5]decanyl)ethyl acetate, 1-(2,4-di-methyl-4-tricyclo[5.2.1.01,5]decanyl)ethyl acetate, 1-((1R,3S,3aS,6S)-1,2,3-trimethyloctahydro-3a,6-methanoinden-1-yl)ethan-1-one, 1-(2,4-dimethyl-4-tricyclo[5.2.1.0{circumflex over (?)}{1,5}]decanyl)ethanone, 2,3,4-trimethyltricyclo[5.2.1.0{circumflex over (?)}{1,5}]decane-4-carbaldehyde, (2,3,4-trimethyl-4-tricyclo[5.2.1.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: November 9, 2021
    Assignee: Firmenich SA
    Inventors: Huey-Ling Kao, Stefan Alexander Ruider, Steven Williams, Anthony Alexander Birkbeck
  • Publication number: 20210256915
    Abstract: A voltage-programmed display system allows measurement of effects on pixels in a panel that includes both active pixels and reference pixels coupled to a supply line and a programming line. The reference pixels are controlled so that they are not subject to substantial changes due to aging and operating conditions over time. A readout circuit is coupled to the active pixels and the reference pixels for reading at least one of current, voltage or charge from the pixels when they are supplied with known input signals. The readout circuit is subject to changes due to aging and operating conditions over time, but the readout values from the reference pixels are used to adjust the readout values from the active pixels to compensate for the unwanted effects.
    Type: Application
    Filed: April 27, 2021
    Publication date: August 19, 2021
    Inventors: Gholamreza Chaji, Joseph Marcel Dionne, Yaser Azizi, Javid Jaffari, Abbas Hormati, Tong Liu, Stefan Alexander
  • Patent number: 11080417
    Abstract: Systems, devices, and methods are disclosed for enabling private communication between head-mounted displays. A first user dons a first head-mounted display. The first head-mounted display authenticates that the first user is authorized to view information displayed by the first head-mounted display. In response to positive authentication, the first head-mounted display displays the information to the first user. The first user inputs a selection command via an input interface, such as, for example, gazing at particular information, to select some of the displayed information. The first head-mounted display generates a message based on the user selection, which may be encrypted by the first head-mounted display prior to transmission. The first head-mounted display transmits the message to a second head-mounted display, such that the second head-mounted display displays the message to an eye of a second user wearing the second head-mounted display.
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: August 3, 2021
    Assignee: Google LLC
    Inventors: Stephen Lake, Matthew Bailey, Aaron Grant, Stefan Alexander
  • Publication number: 20210179970
    Abstract: The various aspects presented herein relate to the perfumery industry. More particularly, the various aspects presented herein relate to malodor counteracting compositions and/or ingredients, methods for counteracting malodors, as well as to the perfumed articles or perfuming compositions comprising as an active ingredient, at least one compound selected 5 from the group consisting of: 1-(2-methyl-4-tricyclo[5.2.1.01,5]decanyl)ethyl acetate, 1-(2,4-di-methyl-4-tricyclo[5.2.1.01,5]decanyl)ethylacetate, 1-((1R,3S,3aS,6S)-1,2,3-trimethyloctahydro-3a,6-methanoinden-1-yl)ethan-1-one, 1-(2,4-dimethyl-4-tricyclo[5.2.1.0{circumflex over (?)}{1,5}]decanyl)ethanone, 2,3,4-trimethyltricyclo[5.2.1.0{circumflex over (?)}{1,5}]decane-4-carbaldehyde, (2,3,4-trimethyl-4-tricyclo[5.2.1.
    Type: Application
    Filed: November 21, 2018
    Publication date: June 17, 2021
    Applicant: Firmenich SA
    Inventors: Huey-Ling KAO, Stefan Alexander RUIDER, Steven WILLIAMS, Anthony Alexander BIRKBECK
  • Publication number: 20210158709
    Abstract: An apparatus and method for an aircraft flight management system configured to analyze a takeoff sequence for an aircraft, the aircraft slight management system comprising a memory storing runway information associated with the runway from which the aircraft will depart, one or more inputs configured to receive variables comprising real-time aircraft variables and real-time condition variables that influence an actual velocity of the aircraft, sensors for sensing the actual velocity of the aircraft; and a processor configured to compare a real-time takeoff value to a takeoff requirement value.
    Type: Application
    Filed: November 22, 2019
    Publication date: May 27, 2021
    Inventor: Stefan Alexander Schwindt
  • Patent number: 10997924
    Abstract: A voltage-programmed display system allows measurement of effects on pixels in a panel that includes both active pixels and reference pixels coupled to a supply line and a programming line. The reference pixels are controlled so that they are not subject to substantial changes due to aging and operating conditions over time. A readout circuit is coupled to the active pixels and the reference pixels for reading at least one of current, voltage or charge from the pixels when they are supplied with known input signals. The readout circuit is subject to changes due to aging and operating conditions over time, but the readout values from the reference pixels are used to adjust the readout values from the active pixels to compensate for the unwanted effects.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: May 4, 2021
    Assignee: Ignis Innovation Inc.
    Inventors: Gholamreza Chaji, Joseph Marcel Dionne, Yaser Azizi, Javid Jaffari, Abbas Hormati, Tong Liu, Stefan Alexander
  • Patent number: 10983356
    Abstract: Systems, devices, and methods for optical waveguides that are well-suited for use in wearable heads-up displays (WHUDs) are described. An optical waveguide includes a volume of optically transparent material, a first holographic optical element (HOE) and a second holographic optical element, wherein the first HOE and the second HOE are carried by the volume of optically transparent material, and the first HOE is positioned across a width of the volume of optically transparent material from the second HOE. Light enters the optical waveguide and is propagated down a length of the waveguide by reflection between the first HOE and the second HOE. Propagation of the light within the optical waveguide does not require total internal reflection. The optical waveguide may include means to in-couple the light into the waveguide and means to out-couple the light from the waveguide. WHUDs that employ such optical waveguides are also described.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: April 20, 2021
    Assignee: GOOGLE LLC
    Inventors: Stefan Alexander, Douglas Raymond Dykaar, John Otto Vieth, Timothy Paul Bodiya
  • Patent number: 10976557
    Abstract: Systems, devices, and methods for optical waveguides that are well-suited for use in wearable heads-up displays (WHUDs) are described. An optical waveguide includes a volume of optically transparent material, a first holographic optical element (HOE) and a second holographic optical element, wherein the first HOE and the second HOE are carried by the volume of optically transparent material, and the first HOE is positioned across a width of the volume of optically transparent material from the second HOE. Light enters the optical waveguide and is propagated down a length of the waveguide by reflection between the first HOE and the second HOE. Propagation of the light within the optical waveguide does not require total internal reflection. The optical waveguide may include means to in-couple the light into the waveguide and means to out-couple the light from the waveguide. WHUDs that employ such optical waveguides are also described.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: April 13, 2021
    Assignee: GOOGLE LLC
    Inventors: Stefan Alexander, Douglas Raymond Dykaar, John Otto Vieth, Timothy Paul Bodiya