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: 20240089417Abstract: 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: ApplicationFiled: November 13, 2023Publication date: March 14, 2024Inventor: Rajeev RAMANATH
-
Patent number: 11892710Abstract: 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: GrantFiled: August 23, 2022Date of Patent: February 6, 2024Assignee: Snap Inc.Inventors: Julio Cesar Castañeda, Rajeev Ramanath
-
Patent number: 11818512Abstract: 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: GrantFiled: December 6, 2021Date of Patent: November 14, 2023Assignee: Snap Inc.Inventor: Rajeev Ramanath
-
Patent number: 11782269Abstract: 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: GrantFiled: January 18, 2023Date of Patent: October 10, 2023Assignee: Snap Inc.Inventors: Julio Cesar Castañeda, Rajeev Ramanath
-
Patent number: 11730646Abstract: 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: GrantFiled: September 25, 2021Date of Patent: August 22, 2023Inventor: Rajeev Ramanath
-
Publication number: 20230152579Abstract: 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: ApplicationFiled: January 18, 2023Publication date: May 18, 2023Inventors: Julio Cesar CASTAÑEDA, Rajeev RAMANATH
-
Publication number: 20230095624Abstract: 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: ApplicationFiled: September 25, 2021Publication date: March 30, 2023Inventor: Rajeev Ramanath
-
Patent number: 11579443Abstract: 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: GrantFiled: September 14, 2021Date of Patent: February 14, 2023Assignee: Snap Inc.Inventors: Julio Cesar Castañeda, Rajeev Ramanath
-
Publication number: 20220404863Abstract: 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: ApplicationFiled: August 23, 2022Publication date: December 22, 2022Inventors: Julio Cesar Castañeda, Rajeev Ramanath
-
Patent number: 11460885Abstract: 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: GrantFiled: August 16, 2021Date of Patent: October 4, 2022Assignee: Snap Inc.Inventors: Julio Cesar Castañeda, Rajeev Ramanath
-
Publication number: 20220096290Abstract: 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: ApplicationFiled: September 24, 2021Publication date: March 31, 2022Inventor: Rajeev Ramanath
-
Publication number: 20220099831Abstract: 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: ApplicationFiled: September 24, 2021Publication date: March 31, 2022Inventor: Rajeev Ramanath
-
Publication number: 20220097532Abstract: 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: ApplicationFiled: September 24, 2021Publication date: March 31, 2022Inventor: Rajeev Ramanath
-
Publication number: 20220094891Abstract: 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: ApplicationFiled: December 6, 2021Publication date: March 24, 2022Inventor: Rajeev Ramanath
-
Publication number: 20210405361Abstract: 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: ApplicationFiled: September 14, 2021Publication date: December 30, 2021Inventors: Julio Cesar CASTAÑEDA, Rajeev RAMANATH
-
Publication number: 20210382322Abstract: 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: ApplicationFiled: August 23, 2021Publication date: December 9, 2021Inventors: Julio Cesar Castañeda, Rajeev Ramanath
-
Patent number: 11196970Abstract: 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: GrantFiled: December 11, 2019Date of Patent: December 7, 2021Assignee: Snap Inc.Inventor: Rajeev Ramanath
-
Publication number: 20210373595Abstract: 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: ApplicationFiled: August 16, 2021Publication date: December 2, 2021Inventors: Julio Cesar Castañeda, Rajeev Ramanath
-
Publication number: 20210365535Abstract: 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: ApplicationFiled: August 9, 2021Publication date: November 25, 2021Inventors: Julio Cesar CASTAÑEDA, Rajeev RAMANATH
-
Patent number: D976163Type: GrantFiled: September 25, 2020Date of Patent: January 24, 2023Inventor: Rajeev Ramanath