Patents by Inventor Rajeev Ramanath

Rajeev Ramanath 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).

  • Publication number: 20240089417
    Abstract: An eyewear device is disclosed including an illumination device including illumination sources, each illumination source including a first illuminator, a second illuminator, and a third illuminator, and a spatial light modulator coupled to the illumination device to control when each of the first, second, and third illuminators are on during an illumination frame. The spatial light modulator is adapted to turn on the first illuminator while the second and third illuminators are off, turn on the second illuminator while the first and third illuminators are off, turn on the third illuminator while the first and second illuminators are off during a third time period of the illumination frame, and turn on the first, second and third illuminators during a fourth time period. An illumination method is also disclosed.
    Type: Application
    Filed: November 13, 2023
    Publication date: March 14, 2024
    Inventor: Rajeev RAMANATH
  • Patent number: 11892710
    Abstract: A system comprises an eyewear device that includes a frame, a temple connected to a lateral side of the frame, a fingerprint sensor, and a sensing circuit. The fingerprint sensor includes an input surface to receive input of a finger skin surface. The sensing circuit is configured to track a pattern of fingerprint ridges of the finger skin surface on the input surface. Execution of programming by a processor configures the system to perform functions to track, via the sensing circuit, the pattern of fingerprint ridges of the finger skin surface on the input surface; generate a fingerprint image having the tracked pattern of fingerprint ridges; extract fingerprint features from the fingerprint image; and authorize the user to utilize the eyewear device based on the extracted fingerprint features.
    Type: Grant
    Filed: August 23, 2022
    Date of Patent: February 6, 2024
    Assignee: Snap Inc.
    Inventors: Julio Cesar Castañeda, Rajeev Ramanath
  • Patent number: 11818512
    Abstract: An eyewear device is disclosed including an illumination device including illumination sources, each illumination source including a first illuminator, a second illuminator, and a third illuminator, and a spatial light modulator coupled to the illumination device to control when each of the first, second, and third illuminators are on during an illumination frame. The spatial light modulator is adapted to turn on the first illuminator while the second and third illuminators are off, turn on the second illuminator while the first and third illuminators are off, turn on the third illuminator while the first and second illuminators are off during a third time period of the illumination frame, and turn on the first, second and third illuminators during a fourth time period. An illumination method is also disclosed.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: November 14, 2023
    Assignee: Snap Inc.
    Inventor: Rajeev Ramanath
  • Patent number: 11782269
    Abstract: Eyewear including a support structure defining a region for receiving a head of a user. The support structure supports optical elements, electronic components, and a use detector. The use detector is coupled to the electronic components and is positioned to identify when the head of the user is within the region defined by the support structure. The electronic components monitor the use detector and transition from a first mode of operation to a second mode of operation when the use detector senses the head of the user in the region.
    Type: Grant
    Filed: January 18, 2023
    Date of Patent: October 10, 2023
    Assignee: Snap Inc.
    Inventors: Julio Cesar Castañeda, Rajeev Ramanath
  • Patent number: 11730646
    Abstract: The invention discloses a system for controlling the movement of a personal mobility vehicle including a processing unit that receives and processes a location data of one or more obstacles over a period of time, determines a change frequency of change of location of the obstacles during the period of time, and generates a movement state categorization of the obstacles categorizing them into either a dynamic obstacle or a static obstacle. The processing unit further determines a dynamic distance traveled by the dynamic obstacle during the period of time, the velocity of the dynamic obstacle, determines movement probability data that relates to the probability of movement of a static obstacle based on the change frequency of change of location, and, determines velocity prediction data of a dynamic obstacle based on the velocity of dynamic obstacles during various time intervals of the time period.
    Type: Grant
    Filed: September 25, 2021
    Date of Patent: August 22, 2023
    Inventor: Rajeev Ramanath
  • Publication number: 20230152579
    Abstract: Eyewear including a support structure defining a region for receiving a head of a user. The support structure supports optical elements, electronic components, and a use detector. The use detector is coupled to the electronic components and is positioned to identify when the head of the user is within the region defined by the support structure. The electronic components monitor the use detector and transition from a first mode of operation to a second mode of operation when the use detector senses the head of the user in the region.
    Type: Application
    Filed: January 18, 2023
    Publication date: May 18, 2023
    Inventors: Julio Cesar CASTAÑEDA, Rajeev RAMANATH
  • Publication number: 20230095624
    Abstract: The invention discloses a system for controlling the movement of a personal mobility vehicle. The system includes a processing unit that receives and processes a location data of one or more obstacles over a period of time and determines a change frequency of change of location of the obstacles during the period of time and further generates a movement state categorization of the obstacles categorizing them into either a dynamic obstacle or a static obstacle. The processing unit further determines a dynamic distance traveled by the dynamic obstacle during the period of time and also determines the velocity of the dynamic obstacle. Further, based on the change frequency of change of location, the processing unit determines the movement probability data that relates to the probability of movement of a static obstacle.
    Type: Application
    Filed: September 25, 2021
    Publication date: March 30, 2023
    Inventor: Rajeev Ramanath
  • Patent number: 11579443
    Abstract: Eyewear including a support structure defining a region for receiving a head of a user. The support structure supports optical elements, electronic components, and a use detector. The use detector is coupled to the electronic components and is positioned to identify when the head of the user is within the region defined by the support structure. The electronic components monitor the use detector and transition from a first mode of operation to a second mode of operation when the use detector senses the head of the user in the region.
    Type: Grant
    Filed: September 14, 2021
    Date of Patent: February 14, 2023
    Assignee: Snap Inc.
    Inventors: Julio Cesar Castañeda, Rajeev Ramanath
  • Publication number: 20220404863
    Abstract: A system comprises an eyewear device that includes a frame, a temple connected to a lateral side of the frame, a fingerprint sensor, and a sensing circuit. The fingerprint sensor includes an input surface to receive input of a finger skin surface. The sensing circuit is configured to track a pattern of fingerprint ridges of the finger skin surface on the input surface. Execution of programming by a processor configures the system to perform functions to track, via the sensing circuit, the pattern of fingerprint ridges of the finger skin surface on the input surface; generate a fingerprint image having the tracked pattern of fingerprint ridges; extract fingerprint features from the fingerprint image; and authorize the user to utilize the eyewear device based on the extracted fingerprint features.
    Type: Application
    Filed: August 23, 2022
    Publication date: December 22, 2022
    Inventors: Julio Cesar Castañeda, Rajeev Ramanath
  • Patent number: 11460885
    Abstract: A system comprises an eyewear device that includes a frame, a temple connected to a lateral side of the frame, a fingerprint sensor, and a sensing circuit. The fingerprint sensor includes an input surface to receive input of a finger skin surface. The sensing circuit is configured to track a pattern of fingerprint ridges of the finger skin surface on the input surface. Execution of programming by a processor configures the system to perform functions to track, via the sensing circuit, the pattern of fingerprint ridges of the finger skin surface on the input surface; generate a fingerprint image having the tracked pattern of fingerprint ridges; extract fingerprint features from the fingerprint image; and authorize the user to utilize the eyewear device based on the extracted fingerprint features.
    Type: Grant
    Filed: August 16, 2021
    Date of Patent: October 4, 2022
    Assignee: Snap Inc.
    Inventors: Julio Cesar Castañeda, Rajeev Ramanath
  • Publication number: 20220096290
    Abstract: A system 1 for controlling a powered personal mobility vehicle 8. The system includes an input module 2, a processing unit 4, and a motor controller 7. The input module 2 receives manual triggers 3 regarding the movement of the personal mobility vehicle 8. The processing unit 4 processes a location information 5 or a distance information 6 at a given point in time, and further, either generate an automatic trigger 19, and disable or curtail the functioning of the input module 2, or enable the functioning of the input module 2. The location information 5 is defined as a location of an obstacle co-located in an environment in which the personal mobility vehicle 8 is placed or being driven, and the distance information 6 is defined as the distance of the obstacle from the vehicle 8 at a given point in time. The motor controller 7 receives and processes manual triggers 3 or automatic triggers 19 and controls movement of the personal mobility vehicle 8.
    Type: Application
    Filed: September 24, 2021
    Publication date: March 31, 2022
    Inventor: Rajeev Ramanath
  • Publication number: 20220099831
    Abstract: The invention envisages a sensor system to be placed onto a personal mobility vehicle. The vehicle includes a structured light sensor that senses one or more obstacles and generates a first sensor data, and a first mechanical coupling that couples the structured light sensor to either a base frame onto which the wheels of the vehicle are attached or the skirt of the vehicle. The system also includes a processing unit that receives and processes the first sensor data and determines a depth of one or more obstacles, and further generates a location information of one or more obstacles.
    Type: Application
    Filed: September 24, 2021
    Publication date: March 31, 2022
    Inventor: Rajeev Ramanath
  • Publication number: 20220097532
    Abstract: A personal mobility vehicle 1 includes one or more automation components, a vault 2, and locking means 3 adapted to lock the vault 2. The automation components include at least one of a motor controller, computing processors, or a battery to power other automation components, or combination thereof. The functional components are the components that either display various information related to navigation of the vehicle, or receive inputs to be processed by the computing processor or microcontroller, or receives triggers from the motor controller or the computing processor regarding the functioning of the functional components, or combination thereof. Inside the vault 2, the automation components are placed, such that the automation components are functionally connected to other functional components of the vehicle 1. The embodiment helps to safeguard the automation components, and keep them protected, such that authorized personnel have access to the automation components inside the vault.
    Type: Application
    Filed: September 24, 2021
    Publication date: March 31, 2022
    Inventor: Rajeev Ramanath
  • Publication number: 20220094891
    Abstract: An eyewear device is disclosed including an illumination device including illumination sources, each illumination source including a first illuminator, a second illuminator, and a third illuminator, and a spatial light modulator coupled to the illumination device to control when each of the first, second, and third illuminators are on during an illumination frame. The spatial light modulator is adapted to turn on the first illuminator while the second and third illuminators are off, turn on the second illuminator while the first and third illuminators are off, turn on the third illuminator while the first and second illuminators are off during a third time period of the illumination frame, and turn on the first, second and third illuminators during a fourth time period. An illumination method is also disclosed.
    Type: Application
    Filed: December 6, 2021
    Publication date: March 24, 2022
    Inventor: Rajeev Ramanath
  • Publication number: 20210405361
    Abstract: Eyewear including a support structure defining a region for receiving a head of a user. The support structure supports optical elements, electronic components, and a use detector. The use detector is coupled to the electronic components and is positioned to identify when the head of the user is within the region defined by the support structure. The electronic components monitor the use detector and transition from a first mode of operation to a second mode of operation when the use detector senses the head of the user in the region.
    Type: Application
    Filed: September 14, 2021
    Publication date: December 30, 2021
    Inventors: Julio Cesar CASTAÑEDA, Rajeev RAMANATH
  • Publication number: 20210382322
    Abstract: In an example, the eyewear includes an optical element, electronic components, and a support structure configured to support the optical element and the electronic components. The support structure defines a region for receiving at least a portion of a head of a user. The eyewear also includes a biometric sensor coupled to the electronic components and supported by the support structure. The biometric sensor is attached to the support structure and positioned to detect, in the region, a biometric signal representative of a biometric of the user for processing by the electronic components.
    Type: Application
    Filed: August 23, 2021
    Publication date: December 9, 2021
    Inventors: Julio Cesar Castañeda, Rajeev Ramanath
  • Patent number: 11196970
    Abstract: An eyewear device is disclosed including an illumination device including illumination sources, each illumination source including a first illuminator, a second illuminator, and a third illuminator, and a spatial light modulator coupled to the illumination device to control when each of the first, second, and third illuminators are on during an illumination frame. The spatial light modulator is adapted to turn on the first illuminator while the second and third illuminators are off, turn on the second illuminator while the first and third illuminators are off, turn on the third illuminator while the first and second illuminators are off during a third time period of the illumination frame, and turn on the first, second and third illuminators during a fourth time period. An illumination method is also disclosed.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: December 7, 2021
    Assignee: Snap Inc.
    Inventor: Rajeev Ramanath
  • Publication number: 20210373595
    Abstract: A system comprises an eyewear device that includes a frame, a temple connected to a lateral side of the frame, a fingerprint sensor, and a sensing circuit. The fingerprint sensor includes an input surface to receive input of a finger skin surface. The sensing circuit is configured to track a pattern of fingerprint ridges of the finger skin surface on the input surface. Execution of programming by a processor configures the system to perform functions to track, via the sensing circuit, the pattern of fingerprint ridges of the finger skin surface on the input surface; generate a fingerprint image having the tracked pattern of fingerprint ridges; extract fingerprint features from the fingerprint image; and authorize the user to utilize the eyewear device based on the extracted fingerprint features.
    Type: Application
    Filed: August 16, 2021
    Publication date: December 2, 2021
    Inventors: Julio Cesar Castañeda, Rajeev Ramanath
  • Publication number: 20210365535
    Abstract: A system comprises an eyewear device that includes a frame, a temple connected to a lateral side of the frame, an infrared emitter, and an infrared camera. The infrared emitter and the infrared camera are connected to the frame or the temple to emit a pattern of infrared light. The system includes a processor coupled to the eyewear device, a memory accessible to the processor, and programming in the memory. Execution of the programming by the processor configures the system to perform functions, including functions to emit, via the infrared emitter, a pattern of infrared light on an eye of a user of the eyewear device; capture, via the camera, reflection variations in the pattern of infrared light on the eye of the user; and identify a user of the eyewear device based on the reflection variations of the emitted pattern of infrared light on the eye of the user.
    Type: Application
    Filed: August 9, 2021
    Publication date: November 25, 2021
    Inventors: Julio Cesar CASTAÑEDA, Rajeev RAMANATH
  • Patent number: D976163
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: January 24, 2023
    Inventor: Rajeev Ramanath