| Patent | Date |
|---|
Signal quality metric for cardiovascular time series
Grant 11,406,305 - Selvaraj , et al. August 9, 2 | 2022-08-09 |
Low-distortion ECG denoising
Grant 11,406,328 - Ferdosi , et al. August 9, 2 | 2022-08-09 |
Detection of sleep apnea using respiratory signals
Grant 11,324,420 - Selvaraj , et al. May 10, 2 | 2022-05-10 |
Method and device for determining step count
Grant 11,278,216 - Chan , et al. March 22, 2 | 2022-03-22 |
Continuous Assessment Of Ecg Signal Quality
App 20210393209 - FERDOSI; Nima ; et al. | 2021-12-23 |
Targeted Data Retrieval And Decision-tree-guided Data Evaluation
App 20210264289 - Narasimhan; Ravi | 2021-08-26 |
Determining body postures and activities
Grant 11,096,606 - Chan , et al. August 24, 2 | 2021-08-24 |
Blood Pressure Estimation Using Finger-wearable Sensor Array
App 20210236014 - Narasimhan; Ravi | 2021-08-05 |
Continuous assessment of ECG signal quality
Grant 11,076,810 - Ferdosi , et al. August 3, 2 | 2021-08-03 |
Adaptive selection of digital ECG filter
Grant 11,051,745 - Narasimhan , et al. July 6, 2 | 2021-07-06 |
Determining respiratory rate via impedance pneumography
Grant 11,026,632 - Narasimhan , et al. June 8, 2 | 2021-06-08 |
Blood pressure estimation using finger-wearable sensor array
Grant 11,013,421 - Narasimhan May 25, 2 | 2021-05-25 |
Digital artery blood pressure monitor
Grant 10,874,307 - Narasimhan , et al. December 29, 2 | 2020-12-29 |
Digital Artery Blood Pressure Monitor
App 20200337571 - Narasimhan; Ravi ; et al. | 2020-10-29 |
Electrical coupling of pulse transit time (PTT) measurement system to heart for blood pressure measurement
Grant 10,779,738 - Sullivan , et al. Sept | 2020-09-22 |
Blood pressure monitoring using a multi-function wrist-worn device
Grant 10,772,512 - Klaassen , et al. Sept | 2020-09-15 |
Calibration of a chest-mounted wireless sensor device for posture and activity detection
Grant 10,719,574 - Chan , et al. | 2020-07-21 |
Systems, devices, and methods for measuring blood pressure of a user
Grant 10,702,171 - Narasimhan , et al. | 2020-07-07 |
Psychological acute stress measurement using a wireless sensor
Grant 10,687,757 - Chan , et al. | 2020-06-23 |
R-R interval measurement using multi-rate ECG processing
Grant 10,667,713 - Yang , et al. | 2020-06-02 |
Respiratory rate measurement using a combination of respiration signals
Grant 10,617,325 - Chan , et al. | 2020-04-14 |
Contextual Heart Rate Monitoring
App 20200046231 - FERDOSI; Nima ; et al. | 2020-02-13 |
Wrist worn accelerometer for pulse transit time (PTT) measurements of blood pressure
Grant 10,517,489 - Narasimhan , et al. Dec | 2019-12-31 |
Respiratory Rate Detection Using Decomposition Of Ecg
App 20190336010 - Selvaraj; Nandakumar ; et al. | 2019-11-07 |
Contextual heart rate monitoring
Grant 10,448,849 - Ferdosi , et al. Oc | 2019-10-22 |
Measuring psychological stress from cardiovascular and activity signals
Grant 10,433,781 - Chan , et al. O | 2019-10-08 |
Fall detection using machine learning
Grant 10,422,814 - Chan , et al. Sept | 2019-09-24 |
Measuring psychological stress from cardiovascular and activity signals
Grant 10,383,562 - Chan , et al. A | 2019-08-20 |
Respiratory rate detection using decomposition of ECG
Grant 10,357,163 - Selvaraj , et al. July 23, 2 | 2019-07-23 |
Low-distortion Ecg Denoising
App 20190183425 - FERDOSI; Nima ; et al. | 2019-06-20 |
Determining a time period a person is in bed
Grant 10,324,109 - Chan , et al. | 2019-06-18 |
Calibration of a chest-mounted wireless sensor device for posture and activity detection
Grant 10,317,427 - Chan , et al. | 2019-06-11 |
Detection Of Sleep Apnea Using Respiratory Signals
App 20190150788 - SELVARAJ; Nandakumar ; et al. | 2019-05-23 |
Blood Pressure Estimation Using Finger-wearable Sensor Array
App 20190104953 - Narasimhan; Ravi | 2019-04-11 |
Measuring psychological stress from cardiovascular and activity signals
Grant 10,213,146 - Aga , et al. Feb | 2019-02-26 |
Low-distortion ECG denoising
Grant 10,213,163 - Ferdosi , et al. Feb | 2019-02-26 |
Detection of sleep apnea using respiratory signals
Grant 10,194,834 - Selvaraj , et al. Fe | 2019-02-05 |
Cuffless blood pressure measurement using handheld device
Grant 10,159,441 - Narasimhan Dec | 2018-12-25 |
Method And Device For Determining Step Count
App 20180338708 - CHAN; Alexander ; et al. | 2018-11-29 |
Adaptive selection of digital egg filter
Grant 10,123,716 - Narasimhan , et al. November 13, 2 | 2018-11-13 |
Psychological Acute Stress Measurement Using A Wireless Sensor
App 20180310879 - CHAN; Alexander ; et al. | 2018-11-01 |
Signal Quality Metric For Cardiovascular Time Series
App 20180303365 - SELVARAJ; Nandakumar ; et al. | 2018-10-25 |
Determining Body Postures And Activities
App 20180289289 - CHAN; Alexander ; et al. | 2018-10-11 |
Low-distortion Ecg Denoising
App 20180249961 - FERDOSI; Nima ; et al. | 2018-09-06 |
Signal quality metric for cardiovascular time series
Grant 10,039,463 - Selvaraj , et al. August 7, 2 | 2018-08-07 |
Digital Artery Blood Pressure Monitor
App 20180206746 - Narasimhan; Ravi ; et al. | 2018-07-26 |
Calibration Of A Chest-mounted Wireless Sensor Device For Posture And Activity Detection
App 20180189235 - CHAN; Alexander ; et al. | 2018-07-05 |
Determining body postures and activities
Grant 9,999,376 - Chan , et al. June 19, 2 | 2018-06-19 |
Low-distortion ECG denoising
Grant 9,986,951 - Ferdosi , et al. June 5, 2 | 2018-06-05 |
Psychological acute stress measurement using a wireless sensor
Grant 9,980,678 - Chan , et al. May 29, 2 | 2018-05-29 |
Systems and methods for transmitting data frames using multiple antennas
Grant 9,935,665 - Narasimhan , et al. April 3, 2 | 2018-04-03 |
Measuring Psychological Stress From Cardiovascular And Activity Signals
App 20180078189 - CHAN; Alexander ; et al. | 2018-03-22 |
Respiratory Rate Measurement Using A Combination Of Respiration Signals
App 20180078174 - CHAN; Alexander ; et al. | 2018-03-22 |
Measuring Psychological Stress From Cardiovascular And Activity Signals
App 20180078190 - CHAN; Alexander ; et al. | 2018-03-22 |
R-r Interval Measurement Using Multi-rate Ecg Processing
App 20180064361 - YANG; Yun ; et al. | 2018-03-08 |
Cuffless Blood Pressure Measurement Using Handheld Device
App 20180035949 - Narasimhan; Ravi | 2018-02-08 |
Respiratory rate measurement using a combination of respiration signals
Grant 9,872,634 - Chan , et al. January 23, 2 | 2018-01-23 |
Measuring psychological stress from cardiovascular and activity signals
Grant 9,855,003 - Chan , et al. January 2, 2 | 2018-01-02 |
Systems, Devices, And Methods For Measuring Blood Pressure Of A User
App 20170360306 - Narasimhan; Ravi ; et al. | 2017-12-21 |
Electrical Coupling Of Pulse Transit Time (ptt) Measurement System To Heart For Blood Pressure Measurment
App 20170340219 - Sullivan; Thomas J. ; et al. | 2017-11-30 |
Blood Pressure Monitoring Using A Multi-function Wrist-worn Device
App 20170340209 - Klaassen; Erno H. ; et al. | 2017-11-30 |
Cuffless blood pressure measurement using handheld device
Grant 9,820,696 - Narasimhan November 21, 2 | 2017-11-21 |
R-R interval measurement using multi-rate ECG processing
Grant 9,814,405 - Yang , et al. November 14, 2 | 2017-11-14 |
Method and system for fall detection of a user
Grant 9,818,281 - Narasimhan November 14, 2 | 2017-11-14 |
Measuring Psychological Stress From Cardiovascular And Activity Signals
App 20170311862 - Aga; Arshan ; et al. | 2017-11-02 |
Measuring psychological stress from cardiovascular and activity signals
Grant 9,788,778 - Chan , et al. October 17, 2 | 2017-10-17 |
Wrist Worn Accelerometer For Pulse Transit Time (ptt) Measurements Of Blood Pressure
App 20170281024 - Narasimhan; Ravi ; et al. | 2017-10-05 |
Adaptive Selection Of Digital Ecg Filter
App 20170202473 - NARASIMHAN; Ravi ; et al. | 2017-07-20 |
Calibration Of A Chest-mounted Wireless Sensor Device For Posture And Activity Detection
App 20170184630 - CHAN; Alexander ; et al. | 2017-06-29 |
Adaptive Selection Of Digital Ecg Filter
App 20170156618 - NARASIMHAN; Ravi ; et al. | 2017-06-08 |
Automated sleep staging using wearable sensors
Grant 9,655,559 - Chan , et al. May 23, 2 | 2017-05-23 |
Adaptive selection of digital ECG filter
Grant 9,636,029 - Narasimhan , et al. May 2, 2 | 2017-05-02 |
Calibration of a chest-mounted wireless sensor device for posture and activity detection
Grant 9,632,981 - Chan , et al. April 25, 2 | 2017-04-25 |
Multicarrier transmit diversity
Grant 9,614,605 - Narasimhan April 4, 2 | 2017-04-04 |
Method and system for fall detection of a user
Grant 9,588,135 - Narasimhan March 7, 2 | 2017-03-07 |
Measuring Psychological Stress From Cardiovascular And Activity Signals
App 20170020429 - CHAN; Alexander ; et al. | 2017-01-26 |
Sleep apnea syndrome (SAS) screening using wearable devices
Grant 9,545,227 - Selvaraj , et al. January 17, 2 | 2017-01-17 |
Determining A Time Period A Person Is In Bed
App 20170000410 - CHAN; Alexander ; et al. | 2017-01-05 |
Psychological Acute Stress Measurement Using A Wireless Sensor
App 20160338640 - CHAN; Alexander ; et al. | 2016-11-24 |
Measuring Psychological Stress From Cardiovascular And Activity Signals
App 20160338641 - CHAN; Alexander ; et al. | 2016-11-24 |
Determining a time period a person is in bed
Grant 9,471,541 - Chan , et al. October 18, 2 | 2016-10-18 |
Systems and methods for compensating a channel estimate for phase and sampling phase jitter
Grant 9,432,276 - Narasimhan August 30, 2 | 2016-08-30 |
Measuring psychological stress from cardiovascular and activity signals
Grant 9,307,908 - Chan , et al. April 12, 2 | 2016-04-12 |
Rate adaptation in wireless systems
Grant 9,271,192 - Sampath , et al. February 23, 2 | 2016-02-23 |
Systems and methods for compensating a channel estimate for sampling phase jitter
Grant 9,185,013 - Narasimhan November 10, 2 | 2015-11-10 |
MIMO-OFDM receiver processing
Grant 9,094,116 - Narasimhan , et al. July 28, 2 | 2015-07-28 |
Automated Sleep Staging Using Wearable Sensors
App 20150190086 - CHAN; Alexander ; et al. | 2015-07-09 |
Sleep Apnea Syndrome (sas) Screening Using Wearable Devices
App 20150164410 - SELVARAJ; Nandakumar ; et al. | 2015-06-18 |
Automated Prediction Of Apnea-hypopnea Index Using Wearable Devices
App 20150164411 - SELVARAJ; Nandakumar ; et al. | 2015-06-18 |
Posture calibration for activity monitoring
Grant 9,035,794 - Narasimhan , et al. May 19, 2 | 2015-05-19 |
Fall Detection Using Machine Learning
App 20150020571 - CHAN; Alexander ; et al. | 2015-01-22 |
Interference-cognitive transmission
Grant 8,937,884 - Goldsmith , et al. January 20, 2 | 2015-01-20 |
Channel estimator for updating channel estimates and carrier frequency offsets
Grant 8,929,487 - Narasimhan January 6, 2 | 2015-01-06 |
Single carrier-frequency-division multiple access (SC-FDMA) physical uplink control channel (PUCCH) 1/1a/1b detection
Grant 8,897,118 - Cheng , et al. November 25, 2 | 2014-11-25 |
Data rate adaptation in multiple-in-multiple-out systems
Grant 8,861,499 - Narasimhan , et al. October 14, 2 | 2014-10-14 |
Single carrier-frequency-division multiple access (SC-FDMA) physical uplink control channel (PUCCH) 2/2a/2b detection
Grant 8,848,686 - Cheng , et al. September 30, 2 | 2014-09-30 |
Contextual Heart Rate Monitoring
App 20140276127 - FERDOSI; Nima ; et al. | 2014-09-18 |
Scalable space-frequency coding for MIMO systems
Grant 8,830,813 - Sampath , et al. September 9, 2 | 2014-09-09 |
Respiratory Rate Measurement Using A Combination Of Respiration Signals
App 20140228692 - CHAN; Alexander ; et al. | 2014-08-14 |
Apparatuses and method for mapping bits of orthogonal frequency division multiplexing symbols to subcarriers and compensating for an imbalance between in-phase and quadrature-phase signals
Grant 8,792,325 - Narasimhan July 29, 2 | 2014-07-29 |
Detection Of Sleep Apnea Using Respiratory Signals
App 20140200474 - SELVARAJ; Nandakumar ; et al. | 2014-07-17 |
Multicarrier transmit diversity
Grant 8,767,523 - Narasimhan July 1, 2 | 2014-07-01 |
Compensation for residual frequency offset, phase noise and sampling phase offset in wireless networks
Grant 8,767,879 - Narasimhan July 1, 2 | 2014-07-01 |
Determining Body Postures And Activities
App 20140128778 - CHAN; Alexander ; et al. | 2014-05-08 |
Measuring Psychological Stress From Cardiovascular And Activity Signals
App 20140121543 - CHAN; Alexander ; et al. | 2014-05-01 |
Rate adaptation in wireless systems
Grant 8,693,331 - Sampath , et al. April 8, 2 | 2014-04-08 |
Adaptively determining a data rate of packetized information transmission over a wireless channel
Grant 8,687,510 - Shirali , et al. April 1, 2 | 2014-04-01 |
R-r Interval Measurement Using Multi-rate Ecg Processing
App 20140073982 - YANG; Yun ; et al. | 2014-03-13 |
Continuous Assesment Of Ecg Signal Quality
App 20140066795 - FERDOSI; Nima ; et al. | 2014-03-06 |
Uplink single carrier frequency division multiple access multiple-input multiple-output soft interference cancellation receiver
Grant 8,665,693 - Cheng , et al. March 4, 2 | 2014-03-04 |
MIMO-OFDM receiver processing
Grant 8,634,451 - Narasimhan , et al. January 21, 2 | 2014-01-21 |
Message routing in wireless mesh networks
Grant 8,634,434 - Heidari , et al. January 21, 2 | 2014-01-21 |
Calibration Of A Chest-mounted Wireless Sensor Device For Posture And Activity Detection
App 20140019080 - CHAN; Alexander ; et al. | 2014-01-16 |
Posture Calibration For Activity Monitoring
App 20140015687 - NARASIMHAN; Ravi ; et al. | 2014-01-16 |
Method and apparatus for acquisition and tracking of orthogonal frequency division multiplexing symbol timing, carrier frequency offset and phase noise
Grant 8,619,922 - Narasimhan December 31, 2 | 2013-12-31 |
Fall detection using sensor fusion
Grant 8,614,630 - Narasimhan , et al. December 24, 2 | 2013-12-24 |
Determining Respiratory Rate Via Impedance Pneumography
App 20130281875 - NARASIMHAN; Ravi ; et al. | 2013-10-24 |
Data rate adaptation in multiple-in-multiple-out systems
Grant 8,532,081 - Narasimhan , et al. September 10, 2 | 2013-09-10 |
Interference-cognitive Transmission
App 20130136159 - GOLDSMITH; Andrea ; et al. | 2013-05-30 |
Fall Detection Using Sensor Fusion
App 20130120147 - NARASIMHAN; Ravi ; et al. | 2013-05-16 |
Method And System For Fall Detection Of A User
App 20130120152 - NARASIMHAN; Ravi | 2013-05-16 |
Channel scanning and channel selection in a wireless communication network
Grant 8,432,826 - Heidari , et al. April 30, 2 | 2013-04-30 |
Carrier frequency offset and doppler frequency estimation and correction for OFDMA and SC-FDMA
Grant 8,416,759 - Narasimhan , et al. April 9, 2 | 2013-04-09 |
Interference-cognitive transmission
Grant 8,358,588 - Goldsmith , et al. January 22, 2 | 2013-01-22 |
Scalable MIMO-OFDM PHY for high throughput WLANS
Grant 8,345,534 - Narasimhan , et al. January 1, 2 | 2013-01-01 |
Channel selection and interference suppression
Grant 8,305,921 - Narasimhan , et al. November 6, 2 | 2012-11-06 |
MIMO-OFDM receiver processing
Grant 8,306,094 - Narasimhan , et al. November 6, 2 | 2012-11-06 |
Method and apparatus for acquisition and tracking of orthogonal frequency division multiplexing symbol timing, carrier frequency offset and phase noise
Grant 8,300,743 - Narasimhan October 30, 2 | 2012-10-30 |
Multiuser multiple-input multiple-output (MU-MIMO) channel estimation for multicarrier communications
Grant 8,238,496 - Narasimhan , et al. August 7, 2 | 2012-08-07 |
Primary user detection
Grant 8,223,802 - Djahanshahi , et al. July 17, 2 | 2012-07-17 |
Compensation for residual frequency offset, phase noise and sampling phase offset in wireless networks
Grant 8,223,893 - Narasimhan July 17, 2 | 2012-07-17 |
Scalable space-frequency coding for MIMO systems
Grant 8,159,930 - Sampath , et al. April 17, 2 | 2012-04-17 |
Data rate adaptation in multiple-in-multiple-out systems
Grant 8,149,810 - Narasimhan , et al. April 3, 2 | 2012-04-03 |
Methods for reducing contention and/or handling channel access in a network
Grant 8,050,249 - Salhotra , et al. November 1, 2 | 2011-11-01 |
Spur cancellation
Grant 8,031,101 - Narasimhan , et al. October 4, 2 | 2011-10-04 |
Technique for reducing physical layer (PHY) overhead in wireless LAN systems
Grant 8,027,366 - Tang , et al. September 27, 2 | 2011-09-27 |
Scalable MIMO-OFDM PHY for high throughput WLANs
Grant 7,995,455 - Narasimhan , et al. August 9, 2 | 2011-08-09 |
Message Routing In Wireless Mesh Networks
App 20110110345 - Heidari; Sam ; et al. | 2011-05-12 |
Channel Scanning And Channel Selection In A Wireless Communication Network
App 20110096739 - Heidari; Sam ; et al. | 2011-04-28 |
Interference-cognitive Transmission
App 20110060956 - Goldsmith; Andrea ; et al. | 2011-03-10 |
Primary user detection
App 20110058535 - Djahanshahi; Amir Hadi ; et al. | 2011-03-10 |
Apparatus and method for measuring signal quality of a wireless communications link
Grant 7,885,607 - Narasimhan February 8, 2 | 2011-02-08 |
Compensation for residual frequency offset, phase noise and I/Q imbalance in OFDM modulated communications
Grant 7,881,237 - Narasimhan February 1, 2 | 2011-02-01 |
Rate adaptation in wireless systems
Grant 7,864,678 - Sampath , et al. January 4, 2 | 2011-01-04 |
Circuits, architectures, systems, methods, algorithms and software for reducing contention and/or handling channel access in a network
Grant 7,826,438 - Salhotra , et al. November 2, 2 | 2010-11-02 |
Channel Selection And Interference Suppression
App 20100254325 - Narasimhan; Ravi ; et al. | 2010-10-07 |
MIMO-OFDM receiver processing
Grant 7,796,681 - Narasimhan , et al. September 14, 2 | 2010-09-14 |
Spur Cancellation
App 20100214145 - Narasimhan; Ravi ; et al. | 2010-08-26 |
Technique for reducing physical layer (PHY) overhead in wireless LAN systems
Grant 7,701,975 - Tsang , et al. April 20, 2 | 2010-04-20 |
Adaptively determining a data rate of packetized information transmission over a wireless channel
Grant 7,697,449 - Shirali , et al. April 13, 2 | 2010-04-13 |
Symbol Mixing Across Multiple Parallel Channels
App 20100080317 - Narasimhan; Ravi ; et al. | 2010-04-01 |
Compensation for residual frequency offset, phase noise and I/Q imbalance in OFDM modulated communications
Grant 7,643,405 - Narasimhan January 5, 2 | 2010-01-05 |
Scalable space-frequency coding for MIMO systems
Grant 7,623,441 - Sampath , et al. November 24, 2 | 2009-11-24 |
Compensation for residual frequency offset, phase noise and sampling phase offset in wireless networks
Grant 7,616,719 - Narasimhan November 10, 2 | 2009-11-10 |
MIMO-OFDM preamble for channel estimation
Grant 7,606,316 - Narasimhan October 20, 2 | 2009-10-20 |
Apparatus and method for measuring signal quality of a wireless communications link
Grant 7,599,663 - Narasimhan October 6, 2 | 2009-10-06 |
Multicarrier transmit diversity
Grant 7,577,085 - Narasimhan August 18, 2 | 2009-08-18 |
Method and apparatus for acquistion and tracking of orthogonal frequency division multiplexing symbol timing, carrier frequency offset and phase noise
Grant 7,532,693 - Narasimhan May 12, 2 | 2009-05-12 |
Spatial multiplexing with antenna and constellation selection for correlated MIMO fading channels
Grant 7,505,788 - Narasimhan March 17, 2 | 2009-03-17 |
Compensation for residual frequency offset, phase noise and I/Q imbalance in OFDM modulated communications
Grant 7,433,298 - Narasimhan October 7, 2 | 2008-10-07 |
MIMO-OFDM receiver processing with frequency and channel estimation
Grant 7,408,976 - Narasimhan , et al. August 5, 2 | 2008-08-05 |
Compensation for residual frequency offset, phase noise and sampling phase offset in wireless networks
Grant 7,346,135 - Narasimhan March 18, 2 | 2008-03-18 |
Method and apparatus for estimation of orthogonal frequency division multiplexing symbol timing and carrier frequency offset
Grant 7,218,691 - Narasimhan May 15, 2 | 2007-05-15 |
Space-time and space-frequency hopping for capacity enhancement of mobile data systems
Grant 7,016,649 - Narasimhan , et al. March 21, 2 | 2006-03-21 |
Apparatus and method for measuring signal quality of a wireless communications link
Grant 7,016,651 - Narasimhan March 21, 2 | 2006-03-21 |
Simultaneous forward link beam forming and learning method for mobile high rate data traffic
Grant 6,330,460 - Wong , et al. December 11, 2 | 2001-12-11 |
Method for handoff in wireless communication systems using pattern recognition
Grant 6,240,291 - Narasimhan , et al. May 29, 2 | 2001-05-29 |
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