公开(公告)号：US20240423479A1

公开(公告)日：2024-12-26

申请号：US18339170

申请日：2023-06-21

Applicant: QUALCOMM Incorporated

Inventor： Emily Kathryn BROOKS ,  John Keith SCHNEIDER ,  Nicholas BUCHAN ,  Evan Michael BRELOFF ,  Ye ZHAN ,  Vivekananda parampalli ADIGA ,  Shounak Uday GORE

IPC: A61B5/00 ,  A61B5/021

Abstract: An apparatus may be configured to control a light source system residing in or on a first support structure portion of the apparatus to transmit light through an ear volume residing between a first ear portion and a second ear portion. The apparatus may be configured to receive, from a receiver system residing in or on a second support structure portion of the apparatus proximate the second ear portion, receiver system signals corresponding to acoustic waves caused by a photoacoustic response to light emitted by the light source system of a) a blood vessel residing within the ear volume, b) blood within the blood vessel, or a combination thereof. The control system may be configured to estimate one or more cardiac features based, at least in part, on the receiver system signals.

公开(公告)号：US20250072764A1

公开(公告)日：2025-03-06

申请号：US18461423

申请日：2023-09-05

Applicant: QUALCOMM Incorporated

Inventor： Hrishikesh Vijaykumar PANCHAWAGH ,  Ali LOPEZ ,  Sumit AGRAWAL ,  Bernard HERRERA SOUKUP ,  Nicholas BUCHAN ,  Camilo PEREZ SAAIBI ,  Legardo REYES ,  Kostadin Dimitrov DJORDJEV

IPC: A61B5/00 ,  A61B5/02 ,  A61B5/021

Abstract: Some disclosed examples involve controlling a light-steering system to direct light emitted by at least a first light source of a light source system to a first plurality of areas of a target object, wherein controlling the light-steering system involves controlling one or more adjustable micromirrors, one or more adjustable lenses, one or more adjustable diffraction gratings, or combinations thereof. Some examples involve receiving ultrasonic receiver signals from an ultrasonic receiver system corresponding to photoacoustic responses of the target object to light provided the light source system to each area of the first plurality of areas and determining a selected area of the target object from which additional ultrasonic receiver signals will be obtained, wherein determining the selected area involves detecting a blood vessel within the target object. Some examples involve controlling the light source system to obtain additional ultrasonic receiver signals from the selected area.

公开(公告)号：US20240210309A1

公开(公告)日：2024-06-27

申请号：US18069893

申请日：2022-12-21

Applicant: QUALCOMM Incorporated

Inventor： Nicholas BUCHAN ,  Stephen Michael GOJEVIC ,  Hrishikesh Vijaykumar PANCHAWAGH ,  Yipeng LU ,  Htet NAING ,  John Keith SCHNEIDER ,  Kostadin Dimitrov DJORDJEV ,  Camilo PEREZ SAAIBI ,  Sherman Sebastian ANTAO ,  Ye ZHAN

IPC: G01N21/17 ,  A61B5/00 ,  A61B8/00 ,  G01N29/24

CPC classification number: G01N21/1702 ,  A61B5/0095 ,  A61B8/4281 ,  G01N29/2418

Abstract: An apparatus may include a platen, a light source system and an ultrasonic receiver system. The platen may be configured to separate one or more received arterial ultrasonic waves generated by blood in an artery, by an arterial wall, or by a combination thereof, from one or more other types of received ultrasonic waves. The platen may have an outer surface with an acoustic impedance that is configured to approximate the acoustic impedance of human skin. The outer surface of the platen may be configured to conform to a surface of the human skin. The apparatus may include a noise reduction system. The light source system may include at least one multi-junction laser diode. The apparatus may include a mirror layer residing between the ultrasonic receiver system and the platen.

公开(公告)号：US20240206737A1

公开(公告)日：2024-06-27

申请号：US18069877

申请日：2022-12-21

Applicant: QUALCOMM Incorporated

Inventor： Nicholas BUCHAN ,  Stephen Michael GOJEVIC ,  Hrishikesh Vijaykumar PANCHAWAGH ,  Yipeng LU ,  Htet NAING ,  John Keith SCHNEIDER ,  Kostadin Dimitrov DJORDJEV ,  Camilo PEREZ SAAIBI ,  Sherman Sebastian ANTAO ,  Ye ZHAN

IPC: A61B5/00 ,  A61B5/021 ,  G06F3/0354 ,  G10K11/30

CPC classification number: A61B5/0095 ,  A61B5/02133 ,  A61B5/6898 ,  A61B5/7203 ,  G06F3/03545 ,  G10K11/30

Abstract: An apparatus may include a platen, a light source system and an ultrasonic receiver system. The platen may be configured to separate one or more received arterial ultrasonic waves generated by blood in an artery, by an arterial wall, or by a combination thereof, from one or more other types of received ultrasonic waves. The platen may have an outer surface with an acoustic impedance that is configured to approximate the acoustic impedance of human skin. The outer surface of the platen may be configured to conform to a surface of the human skin. The apparatus may include a noise reduction system. The light source system may include at least one multi-junction laser diode. The apparatus may include a mirror layer residing between the ultrasonic receiver system and the platen.

公开(公告)号：US20240206736A1

公开(公告)日：2024-06-27

申请号：US18069859

申请日：2022-12-21

Applicant: QUALCOMM Incorporated

Inventor： Yipeng LU ,  Hrishikesh Vijaykumar PANCHAWAGH ,  Nicholas BUCHAN ,  Kostadin Dimitrov DJORDJEV ,  Camilo PEREZ SAAIBI ,  Legardo REYES ,  Ali LOPEZ ,  Ila BADGE ,  Chin-Jen Tseng ,  Ye ZHAN ,  John Keith Schneider

IPC: A61B5/00 ,  A61B5/021 ,  B06B1/06 ,  B06B3/00 ,  G01H11/08 ,  G10K11/02 ,  G10K11/162 ,  G10K11/30

CPC classification number: A61B5/0095 ,  A61B5/02125 ,  A61B5/6824 ,  A61B5/6826 ,  B06B1/0611 ,  B06B3/00 ,  G01H11/08 ,  G10K11/02 ,  G10K11/162 ,  G10K11/30 ,  B06B2201/76

Abstract: An apparatus may include a platen, a light source system and an ultrasonic receiver system. The light source system may be configured to provide light to a target object on an outer surface of the platen. The light source system may be configured to direct the light along a first axis oriented at a first angle relative to the outer surface of the platen. The ultrasonic receiver system may be configured to receive ultrasonic waves generated by the target object responsive to the light from the light source system. The ultrasonic receiver system may include one or more receiver elements residing in a receiver plane. A normal to the receiver plane being may be oriented along a second axis at a second angle relative to the outer surface of the platen. The first angle may be different from the second angle.

公开(公告)号：US20240197186A1

公开(公告)日：2024-06-20

申请号：US18319414

申请日：2023-05-17

Applicant: QUALCOMM Incorporated

Inventor： Sumit AGRAWAL ,  Hrishikesh Vijaykumar PANCHAWAGH ,  Ali LOPEZ ,  Kostadin Dimitrov DJORDJEV ,  Camilo PEREZ SAAIBI ,  Nicholas BUCHAN

IPC: A61B5/00 ,  A61B5/02

CPC classification number: A61B5/0095 ,  A61B5/0044 ,  A61B5/02007 ,  A61B5/6826

Abstract: An apparatus may include a substrate, a light source system and a receiver system.
The light source system may be configured to emit light through an area of the substrate, from a first side of the substrate towards a target object in contact with a second and opposite side of the substrate. The receiver system may include one or more receivers residing in, on or proximate the substrate. The receiver system may be configured to detect surface acoustic waves propagating in the substrate corresponding to a photoacoustic response of the target object to light emitted by the light source system. In some examples, the apparatus may include a control system. The control system may be configured to receive surface acoustic wave signals from the receiver system corresponding to detected surface acoustic waves and to detect at least one structure within the target object based on the surface acoustic wave signals.

公开(公告)号：US20250114003A1

公开(公告)日：2025-04-10

申请号：US18480831

申请日：2023-10-04

Applicant: QUALCOMM Incorporated

Inventor： Emily Kathryn BROOKS ,  Hrishikesh Vijaykumar PANCHAWAGH ,  John Keith SCHNEIDER ,  Nicholas BUCHAN ,  Vivekananda Parampalli ADIGA ,  Bernard HERRERA SOUKUP ,  Ye ZHAN ,  Evan Michael BRELOFF ,  Shounak Uday GORE ,  Sumit AGRAWAL

IPC: A61B5/00 ,  A61B5/02 ,  A61B5/0205 ,  A61B5/021

Abstract: Sensors and systems for determining a physiological parameter such as blood pressure using external pressure are disclosed. Such sensors and/or systems may be embodied in a wearable user device. The wearable user device may include a cuff configured to apply a pressure to a portion of a user at one or more substantially constant pressure levels; a photoacoustic sensor configured to obtain photoacoustic signals generated from light incident on a blood vessel; and a wearable structure including the cuff and the photoacoustic sensor. Techniques involving the wearable user device may include: obtaining photoacoustic signals from a portion of the user; determining a curve associated with the user, the curve including a plurality of spatial measurements of the blood vessel as a function of a plurality of discrete pressures, the curve enabling determination of a characteristic of the blood vessel; and determining the physiological parameter based at least on the characteristic.

公开(公告)号：US20250090030A1

公开(公告)日：2025-03-20

申请号：US18470755

申请日：2023-09-20

Applicant: QUALCOMM Incorporated

Inventor： Hrishikesh Vijaykumar PANCHAWAGH ,  Sumit AGRAWAL ,  Bernard HERRERA SOUKUP ,  Camilo PEREZ SAAIBI ,  Legardo REYES ,  Ila BADGE ,  Michelle Ma Thin Thin Htay CHAN ,  Chin-Jen TSENG ,  Ali LOPEZ ,  Nicholas BUCHAN ,  Kostadin Dimitrov DJORDJEV ,  John Keith SCHNEIDER

IPC: A61B5/00 ,  A61B5/02 ,  A61B5/021

Abstract: Some disclosed examples pertain to an apparatus that can include a platen, a light source system, a receiver system, and an electromagnetic interference (EMI) shield. The light source system can include light source system circuitry, a light-emitting component, and a light guide component having a substantially uniform cross-section. The light-emitting component provides light to an area of the platen via the light guide component. The receiver system can include at least two receiver stack portions residing proximate on either side of the light guide component. The receiver system detects acoustic waves corresponding to a photoacoustic response of a target object proximate the area of the platen, to light emitted by the light source system. The EMI shield shields the receiver system from at least some of the EMI produced by the light source system circuitry. The light guide component conveys light through a portion of the EMI shield.

公开(公告)号：US20250090029A1

公开(公告)日：2025-03-20

申请号：US18468934

申请日：2023-09-18

Applicant: QUALCOMM Incorporated

Inventor： Nicholas BUCHAN ,  Stephen Michael GOJEVIC ,  Ye ZHAN ,  Vivekananda Parampalli ADIGA ,  John Keith SCHNEIDER

IPC: A61B5/00 ,  A61B5/021 ,  A61B5/024 ,  A61B5/0295

Abstract: Some disclosed examples involve directing two or more pulse groups of light towards a target object during a total light transmission time interval, each pulse group time interval within the total light transmission time interval being separated from a successive pulse group time interval by an off time interval. The target object may be part of a human body or an animal body. In some examples, no light is transmitted towards the target object during the off time interval. Some disclosed examples involve receiving acoustic signals corresponding to photoacoustic (PA) responses of a target object to the two or more pulse groups and determining one or more heart rate waveforms of the human or animal body based on the acoustic signals.

公开(公告)号：US20250072763A1

公开(公告)日：2025-03-06

申请号：US18461402

申请日：2023-09-05

Applicant: QUALCOMM Incorporated

Inventor： Sumit AGRAWAL ,  Ye ZHAN ,  Emily Kathryn BROOKS ,  Hrishikesh Vijaykumar PANCHAWAGH ,  Ali LOPEZ ,  Nicholas BUCHAN ,  Kostadin Dimitrov DJORDJEV ,  John Keith SCHNEIDER

IPC: A61B5/00

Abstract: Some disclosed methods may involve providing first light of a first wavelength to a target object at a first time, receiving first ultrasonic receiver signals from an ultrasonic receiver system corresponding to photoacoustic responses of the target object to the first light, providing second light of a second wavelength to the target object at a second time, receiving second ultrasonic receiver signals from the ultrasonic receiver system corresponding to photoacoustic responses of the target object to the second light and differentiating a desired signal from one or more background signals based, at least in part, on the first ultrasonic receiver signals and the second ultrasonic receiver signals. The desired signal may correspond to at least a portion of a blood vessel within the target object. A light source system may be configured for providing the first light and the second light to the target object along the same axis.