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公开(公告)号：US20250073479A1
公开(公告)日：2025-03-06
申请号：US18951518
申请日：2024-11-18
Applicant: Purdue Research Foundation
Inventor： Shreyas Sen , Baibhab Chatterjee , Mayukh Nath
Abstract: A system and method for brain-machine interface communication utilizing Bi-Phasic Quasi-Static Brain Communication (BP-QBC). The system includes a first device and a second device that are in wireless communication together. The system and method include signal transmission between the first device and the second device through dipole coupling. The system is configured to utilize compressive sensing and collision avoidance for enhanced net energy efficiency. The system and method utilize fully electrical quasi-static signaling to militate against energy transduction losses.
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公开(公告)号：US10998925B2
公开(公告)日：2021-05-04
申请号：US16412409
申请日：2019-05-14
Applicant: Purdue Research Foundation
Inventor： Shreyas Sen
Abstract: A communication interference rejection system comprising a relatively low-impedance voltage mode driver output which receives a signal from a sensor, the sensor near a user's skin, a receiver operatively connected to a device connected to a body of a user, wherein the receiver configured to receive a signal transmitted through the body of the user. The signal comprises a relatively substantially small constant amplitude component and a relatively large sinusoidal or modulated interference component, the interference component due to human body antenna effect, the receiver comprising a high-impedance termination to minimize channel loss, the receiver further configured to receive frequencies in the 10 KHz to 10 MHz range.
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公开(公告)号：US11742958B2
公开(公告)日：2023-08-29
申请号：US17027634
申请日：2020-09-21
Applicant: Purdue Research Foundation
Inventor： Shreyas Sen , Shovan Maity
CPC classification number: H04B13/005 , H04B5/0012 , H04B5/0031
Abstract: A method of using a HBC device includes enabling electro-quasistatic communication on a transmitter, wherein the enabling electro-quasistatic communication includes receiving an activation signal through an input. The enabling the electro-quasistatic communication additionally includes transmitting a digital data signal to a transmitter logic circuit. The enabling the electro-quasistatic communication further includes modulating an electro-quasistatic carrier signal by the digital data signal using a modulator, thereby producing a modulated electro-quasistatic signal. Additionally, the enabling the electro-quasistatic communication includes transmitting the electro-quasistatic signal from the transmitter logic circuit to a general purpose input output circuit. Furthermore, the enabling the electro-quasistatic communication includes coupling the electro-quasistatic signal on a human body through an electrode, thereby enabling electro-quasistatic communication. The transmitter includes the electrode. Next, the method includes transmitting the electro-quasistatic signal through the human body. Additionally, the method includes coupling the electro-quasistatic signal onto a receiver electrode. The receiver includes the receiver electrode.
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公开(公告)号：US20230179308A1
公开(公告)日：2023-06-08
申请号：US18062487
申请日：2022-12-06
Applicant: PURDUE RESEARCH FOUNDATION
Inventor： Shreyas Sen , Mayukh Nath , Arunashish Datta
CPC classification number: H04B13/005 , H02J50/12 , A61N1/37229
Abstract: A wearable device comprising a transmitter coil having variable transmission resistance, a first transmission impedance, and a second transmission impedance; an implanted device, comprising a receiver coil having a variable reception resistance, a first reception impedance, and a second reception impedance; wherein the transmitter coil can wirelessly transmit information over a variable frequency to the receiver coil when the variable resistance of the transmitter coil is tuned to the variable resistance of the receiver coil, the transmitter coil is configured to the first transmission impedance, and the receiver coil is configured to the first reception impedance; wherein the transmitter coil can wirelessly transmit power to the receiver coil when the transmitter coil is configured to the second transmission impedance and the receiver coil is configured to the second reception impedance; and wherein the transmitter coil can wirelessly transmit to the receiver coil of the implanted device using a magnetoquasistatic field.
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公开(公告)号：US11387854B2
公开(公告)日：2022-07-12
申请号：US15915029
申请日：2018-03-07
Applicant: Purdue Research Foundation
Inventor： Shreyas Sen
Abstract: A communication interference rejection system, comprising a dual data rate (DDR) receiver operatively connected to a device connected to a body of a user. The DDR receiver is configured to receive a signal transmitted through the body of the user, with the signal comprising a relatively substantially small constant amplitude component and a relatively large sinusoidal or modulated interference component, said interference component due to human body antenna effect. The receiver integrates the signal and sample at a sampling time, with the sampling time defined as Ts=n/Finterference, wherein Finterference is the frequency of the modulated interference component and n is an integer.
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Patent Agency Ranking
公开(公告)号：US20220193427A1
公开(公告)日：2022-06-23
申请号：US17560525
申请日：2021-12-23
Applicant: Purdue Research Foundation
Inventor： Shreyas Sen , Baibhab Chatterjee , Mayukh Nath
Abstract: A system and method for brain-machine interface communication utilizing Bi-Phasic Quasi-Static Brain Communication (BP-QBC). The system includes a first device and a second device that are in wireless communication together. The system and method include signal transmission between the first device and the second device through dipole coupling. The system is configured to utilize compressive sensing and collision avoidance for enhanced net energy efficiency. The system and method utilize fully electrical quasi-static signaling to militate against energy transduction losses.
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公开(公告)号：US20210111744A1
公开(公告)日：2021-04-15
申请号：US17127808
申请日：2020-12-18
Applicant: Purdue Research Foundation
Inventor： Shreyas Sen , Shovan Maity
Abstract: A communication interference rejection system comprising a receiver operatively connected to a device connected to a body of a user. The receiver is configured to receive a signal transmitted through the body of the user, the signal comprising a data component and an interference component, the interference component due to human body antenna effect. The receiver is configured to integrate the signal using a relatively low-gain analog integrator and then digitally differentiate the output of said integration.
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公开(公告)号：US12144997B2
公开(公告)日：2024-11-19
申请号：US17560525
申请日：2021-12-23
Applicant: Purdue Research Foundation
Inventor： Shreyas Sen , Baibhab Chatterjee , Mayukh Nath
Abstract: A system and method for brain-machine interface communication utilizing Bi-Phasic Quasi-Static Brain Communication (BP-QBC). The system includes a first device and a second device that are in wireless communication together. The system and method include signal transmission between the first device and the second device through dipole coupling. The system is configured to utilize compressive sensing and collision avoidance for enhanced net energy efficiency. The system and method utilize fully electrical quasi-static signaling to militate against energy transduction losses.
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公开(公告)号：US11374602B2
公开(公告)日：2022-06-28
申请号：US17127808
申请日：2020-12-18
Applicant: Purdue Research Foundation
Inventor： Shreyas Sen , Shovan Maity
Abstract: A communication interference rejection system comprising a receiver operatively connected to a device connected to a body of a user. The receiver is configured to receive a signal transmitted through the body of the user, the signal comprising a data component and an interference component, the interference component due to human body antenna effect. The receiver is configured to integrate the signal using a relatively low-gain analog integrator and then digitally differentiate the output of said integration.
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公开(公告)号：US20210258080A1
公开(公告)日：2021-08-19
申请号：US17027634
申请日：2020-09-21
Applicant: Purdue Research Foundation
Inventor： Shreyas Sen , Shovan Maity
Abstract: A method of using a HBC device includes enabling electro-quasistatic communication on a transmitter, wherein the enabling electro-quasistatic communication includes receiving an activation signal through an input. The enabling the electro-quasistatic communication additionally includes transmitting a digital data signal to a transmitter logic circuit. The enabling the electro-quasistatic communication further includes modulating an electro-quasistatic carrier signal by the digital data signal using a modulator, thereby producing a modulated electro-quasistatic signal. Additionally, the enabling the electro-quasistatic communication includes transmitting the electro-quasistatic signal from the transmitter logic circuit to a general purpose input output circuit. Furthermore, the enabling the electro-quasistatic communication includes coupling the electro-quasistatic signal on a human body through an electrode, thereby enabling electro-quasistatic communication. The transmitter includes the electrode. Next, the method includes transmitting the electro-quasistatic signal through the human body. Additionally, the method includes coupling the electro-quasistatic signal onto a receiver electrode. The receiver includes the receiver electrode.
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