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‪Elmore Associate Professor of ECE & BME, Purdue University; Director, Center for Internet of Bodies‬ - ‪‪Cited by 3,401‬‬ - ‪Internet of Bodies‬ - ‪Human Body Communication‬ - ‪Integrated Circuit Design‬ - ‪Electromagnetics‬ - ‪Hardware Security‬

Embodiments of the present disclosure provide apparatuses and systems for proximity communications. The apparatus may include an integrated circuit (IC) package with a central processing unit (CPU) circuit, an input-output (I/O) circuit coupled with the CPU circuit, and a dielectric electromagnetic waveguide coupled with the I/O circuit, to enable communications between the CPU circuit and another apparatus. In another instance, the apparatus may include a plurality of coupler pads disposed on a first surface of the apparatus; and a processor electrically coupled with the coupler pads. One of the coupler pads may form capacitive coupling with one of coupler pads disposed on a second surface of another apparatus, in response to a placement of the first surface in at least partial contact with the second surface, to enable proximity data communication between the processor and the other apparatus. Other embodiments may be described and/or claimed.

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.

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.

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.

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.

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.

USPTO patent applications submitted by and patents granted to Shreyas Sen

USPTO patent applications submitted by and patents granted to Oxana A. Malakhova

IXANA is a trademark owned by Quasistatics Inc. and filed on Sunday, November 20, 2022 in the Computer & Software Products & Electrical & Scientific Products category.

Free and open company data on California (US) company Quasistatics Inc. (company number 5032679)