Alexander SINGH ALVARADO

Person

Mountain View, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Detecting falls using a mobile device
- Patent number 12,154,420
- Issue date Nov 26, 2024
- Apple Inc.
- Xing Tan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Head tracking correlated motion detection for spatial audio applica...
- Patent number 12,108,237
- Issue date Oct 1, 2024
- Apple Inc.
- Xiaoyuan Tu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Head dimension estimation for spatial audio applications
- Patent number 12,069,469
- Issue date Aug 20, 2024
- Apple Inc.
- Ozhan Turgut
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Head tracking correlated motion detection for spatial audio applica...
- Patent number 11,950,083
- Issue date Apr 2, 2024
- Apple Inc.
- Xiaoyuan Tu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems and methods for determining swimming metrics
- Patent number 11,896,368
- Issue date Feb 13, 2024
- Apple Inc.
- Bharath Narasimha Rao
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Detecting falls using a mobile device
- Patent number 11,842,615
- Issue date Dec 12, 2023
- Apple Inc.
- Xing Tan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
User posture change detection for head pose tracking in spatial aud...
- Patent number 11,675,423
- Issue date Jun 13, 2023
- Apple Inc.
- Mehmet Akgul
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Wireless ear buds
- Patent number 11,647,321
- Issue date May 9, 2023
- Apple Inc.
- Adam S. Howell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Head to headset rotation transform estimation for head pose trackin...
- Patent number 11,647,352
- Issue date May 9, 2023
- Apple Inc.
- Margaret H. Tam
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Head motion prediction for spatial audio applications
- Patent number 11,586,280
- Issue date Feb 21, 2023
- Apple Inc.
- Evan G. Kriminger
- G01 - MEASURING TESTING
Information Patent Grant
Inertially stable virtual auditory space for spatial audio applicat...
- Patent number 11,589,183
- Issue date Feb 21, 2023
- Apple Inc.
- Xiaoyuan Tu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Disabling/re-enabling head tracking for distracted user of spatial...
- Patent number 11,582,573
- Issue date Feb 14, 2023
- Apple Inc.
- Xiaoyuan Tu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Detecting falls using a mobile device
- Patent number 11,276,290
- Issue date Mar 15, 2022
- Apple Inc.
- Xing Tan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Systems and methods of swimming analysis
- Patent number 11,103,749
- Issue date Aug 31, 2021
- Apple Inc.
- Craig H. Mermel
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Pose and heart rate energy expenditure for yoga
- Patent number 10,709,933
- Issue date Jul 14, 2020
- Apple Inc.
- Xing Tan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Calculating an estimate of wind resistance experienced by a cyclist
- Patent number 10,699,594
- Issue date Jun 30, 2020
- Apple Inc.
- Craig H. Mermel
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Calculating an estimate of wind resistance experienced by a cyclist
- Patent number 10,650,699
- Issue date May 12, 2020
- Apple Inc.
- Craig H. Mermel
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Detecting falls using a mobile device
- Patent number 10,629,048
- Issue date Apr 21, 2020
- Apple Inc.
- Xing Tan
- G01 - MEASURING TESTING
Information Patent Grant
Systems and methods of swimming calorimetry
- Patent number 10,617,912
- Issue date Apr 14, 2020
- Apple Inc.
- Bharath Narasimha Rao
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Accurate calorimetry for intermittent exercises
- Patent number 10,524,670
- Issue date Jan 7, 2020
- Apple Inc.
- Karthik Jayaraman Raghuram
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Pressure sensor occlusion mitigation systems and methods
- Patent number 10,496,043
- Issue date Dec 3, 2019
- Apple Inc.
- Ryan P. Kent
- G01 - MEASURING TESTING
Information Patent Grant
Wireless ear buds
- Patent number 10,291,975
- Issue date May 14, 2019
- Apple Inc.
- Adam S. Howell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Statistical heart rate monitoring for estimating calorie expenditure
- Patent number 10,244,948
- Issue date Apr 2, 2019
- Hung A. Pham
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Latent load calibration for calorimetry using sensor fusion
- Patent number 10,154,789
- Issue date Dec 18, 2018
- Apple Inc.
- Karthik Jayaraman Raghuram
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Local model for calorimetry
- Patent number 10,098,549
- Issue date Oct 16, 2018
- Apple Inc.
- Xing Tan
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Sensor fusion approach to energy expenditure estimation
- Patent number 9,918,646
- Issue date Mar 20, 2018
- Apple Inc.
- Alexander Singh Alvarado
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method and system to estimate day-long calorie expenditure based on...
- Patent number 9,526,430
- Issue date Dec 27, 2016
- Apple Inc.
- Umamahesh Srinivas
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
LOCATION MEASUREMENT TECHNIQUES
- Publication number 20240402211
- Publication date Dec 5, 2024
- Apple Inc.
- Jonathan R. Schoenberg
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TECHNIQUES FOR FINDING A DEVICE IN MOTION
- Publication number 20240402279
- Publication date Dec 5, 2024
- Apple Inc.
- Benjamin A. Werner
- G01 - MEASURING TESTING
Information Patent Application
PEDESTRIAN DEAD RECKONING ESTIMATION FOR DIFFERENT DEVICE PLACEMENTS
- Publication number 20240401954
- Publication date Dec 5, 2024
- Apple Inc.
- Xiaoyuan Tu
- G01 - MEASURING TESTING
Information Patent Application
SYSTEMS AND METHODS FOR DETERMINING SWIMMING METRICS
- Publication number 20240180445
- Publication date Jun 6, 2024
- Apple Inc.
- Bharath Narasimha Rao
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DETECTING FALLS USING A MOBILE DEVICE
- Publication number 20240127683
- Publication date Apr 18, 2024
- Apple Inc.
- Xing Tan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DETERMINING A VIRTUAL LISTENING ENVIRONMENT
- Publication number 20230104111
- Publication date Apr 6, 2023
- Apple Inc.
- Prateek Murgai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Disabling/Re-Enabling Head Tracking for Distracted User of Spatial...
- Publication number 20220103964
- Publication date Mar 31, 2022
- Apple Inc.
- Xiaoyuan Tu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Adaptive Audio Centering for Head Tracking in Spatial Audio Applica...
- Publication number 20220103965
- Publication date Mar 31, 2022
- Apple Inc.
- Xiaoyuan Tu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DETECTING FALLS USING A MOBILE DEVICE
- Publication number 20220036714
- Publication date Feb 3, 2022
- Apple Inc.
- Xing Tan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
HEAD TRACKING CORRELATED MOTION DETECTION FOR SPATIAL AUDIO APPLICA...
- Publication number 20210400414
- Publication date Dec 23, 2021
- Apple Inc.
- Xiaoyuan Tu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INERTIALLY STABLE VIRTUAL AUDITORY SPACE FOR SPATIAL AUDIO APPLICAT...
- Publication number 20210400420
- Publication date Dec 23, 2021
- Apple Inc.
- Xiaoyuan Tu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
USER POSTURE TRANSITION DETECTION AND CLASSIFICATION
- Publication number 20210396779
- Publication date Dec 23, 2021
- Apple Inc.
- Aditya Sarathy
- G01 - MEASURING TESTING
Information Patent Application
USER POSTURE CHANGE DETECTION FOR HEAD POSE TRACKING IN SPATIAL AUD...
- Publication number 20210397250
- Publication date Dec 23, 2021
- Apple Inc.
- Mehmet Akgul
- G01 - MEASURING TESTING
Information Patent Application
HEAD DIMENSION ESTIMATION FOR SPATIAL AUDIO APPLICATIONS
- Publication number 20210400419
- Publication date Dec 23, 2021
- Apple Inc.
- Ozhan Turgut
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
HEAD MOTION PREDICTION FOR SPATIAL AUDIO APPLICATIONS
- Publication number 20210397249
- Publication date Dec 23, 2021
- Apple Inc.
- Evan G. Kriminger
- G01 - MEASURING TESTING
Information Patent Application
HEAD TO HEADSET ROTATION TRANSFORM ESTIMATION FOR HEAD POSE TRACKIN...
- Publication number 20210400418
- Publication date Dec 23, 2021
- Apple Inc.
- Margaret H. Tam
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DETECTING FALLS USING A MOBILE DEVICE
- Publication number 20200250954
- Publication date Aug 6, 2020
- Apple Inc.
- Xing Tan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Wireless Ear Buds
- Publication number 20190342651
- Publication date Nov 7, 2019
- Apple Inc.
- Adam S. Howell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DETECTING FALLS USING A MOBILE DEVICE
- Publication number 20190103007
- Publication date Apr 4, 2019
- Apple Inc.
- Xing Tan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
DETERMINING VEHICLE ORIENTATION FOR ENHANCED NAVIGATION EXPERIENCE
- Publication number 20190079199
- Publication date Mar 14, 2019
- Apple Inc.
- Xiaoyuan Tu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PRESSURE SENSOR OCCLUSION MITIGATION SYSTEMS AND METHODS
- Publication number 20190079464
- Publication date Mar 14, 2019
- Apple Inc.
- Ryan P. KENT
- G04 - HOROLOGY
Information Patent Application
Wireless Ear Buds
- Publication number 20180070166
- Publication date Mar 8, 2018
- Apple Inc.
- Adam S. Howell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEMS AND METHODS FOR DETERMINING SWIMMING METRICS
- Publication number 20180056128
- Publication date Mar 1, 2018
- Apple Inc.
- Bharath NARASIMHA RAO
- G01 - MEASURING TESTING
Information Patent Application
SYSTEMS AND METHODS OF SWIMMING CALORIMETRY
- Publication number 20180056129
- Publication date Mar 1, 2018
- Apple Inc.
- Bharath NARASIMHA RAO
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SYSTEMS AND METHODS OF SWIMMING ANALYSIS
- Publication number 20180056123
- Publication date Mar 1, 2018
- Apple Inc.
- Bharath NARASIMHA RAO
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
POSE AND HEART RATE ENERGY EXPENDITURE FOR YOGA
- Publication number 20180050235
- Publication date Feb 22, 2018
- Apple Inc.
- Xing Tan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SYSTEMS AND METHODS FOR DETERMINING INDIVIDUALIZED ENERGY EXPENDITURE
- Publication number 20180049694
- Publication date Feb 22, 2018
- Apple Inc.
- Alexander Singh Alvarado
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
CALCULATING AN ESTIMATE OF WIND RESISTANCE EXPERIENCED BY A CYCLIST
- Publication number 20170074897
- Publication date Mar 16, 2017
- Apple Inc.
- Craig H. MERMEL
- G01 - MEASURING TESTING
Information Patent Application
STATISTICAL HEART RATE MONITORING FOR ESTIMATING CALORIE EXPENDITURE
- Publication number 20160256058
- Publication date Sep 8, 2016
- Apple Inc.
- Hung A. PHAM
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHOD AND SYSTEM TO CALIBRATE FITNESS LEVEL AND DIRECT CALORIE BUR...
- Publication number 20160058356
- Publication date Mar 3, 2016
- Apple Inc.
- Karthik Jayaraman RAGHURAM
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Alexander SINGH ALVARADO

Person

Patents Grantslast 30 patents

Detecting falls using a mobile device

Head tracking correlated motion detection for spatial audio applica...

Head dimension estimation for spatial audio applications

Head tracking correlated motion detection for spatial audio applica...

Systems and methods for determining swimming metrics

Detecting falls using a mobile device

User posture change detection for head pose tracking in spatial aud...

Wireless ear buds

Head to headset rotation transform estimation for head pose trackin...

Head motion prediction for spatial audio applications

Inertially stable virtual auditory space for spatial audio applicat...

Disabling/re-enabling head tracking for distracted user of spatial...

Detecting falls using a mobile device

Systems and methods of swimming analysis

Pose and heart rate energy expenditure for yoga

Calculating an estimate of wind resistance experienced by a cyclist

Calculating an estimate of wind resistance experienced by a cyclist

Detecting falls using a mobile device

Systems and methods of swimming calorimetry

Accurate calorimetry for intermittent exercises

Pressure sensor occlusion mitigation systems and methods

Wireless ear buds

Statistical heart rate monitoring for estimating calorie expenditure

Latent load calibration for calorimetry using sensor fusion

Local model for calorimetry

Sensor fusion approach to energy expenditure estimation

Method and system to estimate day-long calorie expenditure based on...

Patents Applicationslast 30 patents

LOCATION MEASUREMENT TECHNIQUES

TECHNIQUES FOR FINDING A DEVICE IN MOTION

PEDESTRIAN DEAD RECKONING ESTIMATION FOR DIFFERENT DEVICE PLACEMENTS

SYSTEMS AND METHODS FOR DETERMINING SWIMMING METRICS

DETECTING FALLS USING A MOBILE DEVICE

DETERMINING A VIRTUAL LISTENING ENVIRONMENT

Disabling/Re-Enabling Head Tracking for Distracted User of Spatial...

Adaptive Audio Centering for Head Tracking in Spatial Audio Applica...

DETECTING FALLS USING A MOBILE DEVICE

HEAD TRACKING CORRELATED MOTION DETECTION FOR SPATIAL AUDIO APPLICA...

INERTIALLY STABLE VIRTUAL AUDITORY SPACE FOR SPATIAL AUDIO APPLICAT...

USER POSTURE TRANSITION DETECTION AND CLASSIFICATION

USER POSTURE CHANGE DETECTION FOR HEAD POSE TRACKING IN SPATIAL AUD...

HEAD DIMENSION ESTIMATION FOR SPATIAL AUDIO APPLICATIONS

HEAD MOTION PREDICTION FOR SPATIAL AUDIO APPLICATIONS

HEAD TO HEADSET ROTATION TRANSFORM ESTIMATION FOR HEAD POSE TRACKIN...

DETECTING FALLS USING A MOBILE DEVICE

Wireless Ear Buds

DETECTING FALLS USING A MOBILE DEVICE

DETERMINING VEHICLE ORIENTATION FOR ENHANCED NAVIGATION EXPERIENCE

PRESSURE SENSOR OCCLUSION MITIGATION SYSTEMS AND METHODS

Wireless Ear Buds

SYSTEMS AND METHODS FOR DETERMINING SWIMMING METRICS

SYSTEMS AND METHODS OF SWIMMING CALORIMETRY

SYSTEMS AND METHODS OF SWIMMING ANALYSIS

POSE AND HEART RATE ENERGY EXPENDITURE FOR YOGA

SYSTEMS AND METHODS FOR DETERMINING INDIVIDUALIZED ENERGY EXPENDITURE

CALCULATING AN ESTIMATE OF WIND RESISTANCE EXPERIENCED BY A CYCLIST

STATISTICAL HEART RATE MONITORING FOR ESTIMATING CALORIE EXPENDITURE

METHOD AND SYSTEM TO CALIBRATE FITNESS LEVEL AND DIRECT CALORIE BUR...