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公开(公告)号：US20240423480A1
公开(公告)日：2024-12-26
申请号：US18340821
申请日：2023-06-23
Applicant: QUALCOMM Incorporated
Inventor： Sumit AGRAWAL , Jessica Liu STROHMANN , Hrishikesh Vijaykumar PANCHAWAGH , Kostadin Dimitrov DJORDJEV
Abstract: An apparatus and associated method of manufacture may include a receiver system that includes an array of receiver elements, in addition to receiver system circuitry. A least a portion of the array of receiver elements is transparent. The transparency allows light to pass through so that blood vessel behind may be visible or otherwise perceived. In this manner, the receiver system may detect (i.e., through the transparent portion of the receiver elements) acoustic waves corresponding to the blood vessel's photoacoustic response to light emitted by a light source system that includes a light-emitting component.
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32.发明申请公开(公告)号：US20230086418A1
公开(公告)日：2023-03-23
申请号：US17448037
申请日：2021-09-17
Applicant: QUALCOMM Incorporated
Inventor： Jessica Liu STROHMANN , Hrishikesh Vijaykumar PANCHAWAGH , Nai-Kuei KUO , Yipeng LU , Ali LOPEZ , Kostadin Dimitrov DJORDJEV
Abstract: Some disclosed implementations include an ultrasonic sensor stack and an acoustic resonator. The acoustic resonator may be configured to enhance ultrasonic waves transmitted by the ultrasonic sensor stack in an ultrasonic frequency range that is suitable for ultrasonic fingerprint sensors. In some examples, the acoustic resonator may include one or more low-impedance layers residing between a first higher-impedance layer and a second higher-impedance layer. Each of the one or more low-impedance layers may have a lower acoustic impedance than an acoustic impedance of the first higher-impedance layer or an acoustic impedance of the second higher-impedance layer. At least one low-impedance layer may have a thickness corresponding to a multiple of a half wavelength at a peak frequency of the acoustic resonator. The peak frequency may be within a frequency range from 1 MHz. to 20 MHz.
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公开(公告)号：US20220198172A1
公开(公告)日：2022-06-23
申请号：US17247734
申请日：2020-12-21
Applicant: QUALCOMM Incorporated
Inventor： Jessica Liu STROHMANN , Hrishikesh Vijaykumar PANCHAWAGH , Yipeng LU , Chin-Jen TSENG , Kostadin Dimitrov DJORDJEV
Abstract: Various aspects of the present disclosure relate generally to ultrasonic fingerprint sensor. In some aspects, a device may include a flexible display. The device may include an ultrasonic fingerprint sensor that is configured to transmit and receive an ultrasonic signal in an acoustic path through the flexible display. The device may include an acoustics configuration layer that is situated between the display and the ultrasonic fingerprint sensor. The acoustics configuration layer may be configured to optimize a signal strength of the ultrasonic signal based at least in part on a configuration of one or more layers of the flexible display. Numerous other aspects are provided
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公开(公告)号：US20210056277A1
公开(公告)日：2021-02-25
申请号：US16545741
申请日：2019-08-20
Applicant: QUALCOMM Incorporated
Inventor： Jessica Liu STROHMANN , Hrishikesh Vijaykumar PANCHAWAGH , Yipeng LU , Soon Joon YOON , Kostadin Dimitrov DJORDJEV
Abstract: A device and method for producing said device comprising an improved ultrasonic biometric sensor is disclosed. The ultrasonic biometric sensor is composed of a pixel array and multiple copolymer layers which are polarized in such a fashion as to increase the transmitting pressure and receiving sensitivity of the sensor. The copolymer layers may be polarized in the same direction, or in opposite directions, depending on the desired functionality.
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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.
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Patent Agency Ranking
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
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.
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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.
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公开(公告)号：US20240338964A1
公开(公告)日：2024-10-10
申请号：US18611365
申请日：2024-03-20
Applicant: QUALCOMM Incorporated
CPC classification number: G06V40/1306 , B06B1/0688
Abstract: Some disclosed devices include a display system having a display stack, an ultrasonic fingerprint sensor system including an ultrasonic fingerprint sensor system stack and a stiffener layer residing between the display stack and the ultrasonic fingerprint sensor system stack. In some examples, the stiffener layer may have a stiffener layer thickness that allows the ultrasonic fingerprint sensor system to operate in a near-field mode. According to some examples, operating in the near-field mode may involve transmitting ultrasound having a peak frequency in a range from 1 megahertz (MHz) to 6 MHz.
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公开(公告)号：US20240210308A1
公开(公告)日：2024-06-27
申请号：US18069888
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
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.
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公开(公告)号：US20240206739A1
公开(公告)日：2024-06-27
申请号：US18069885
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
CPC classification number: A61B5/0095 , G01N21/1702 , G01N29/2418 , G01N2021/1706 , G01N2021/1708
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.
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