Computation of parameters of a body using an electric field
Inventors
Howie, Eric Carlin • Flowers, Mark Bradford • Rao, Tandhoni Srinivasa • Rule, III, Orville Rey • Damani, Darpan Dinesh • McIlroy, Guy • Haggis, John Robert • Langley, II, John Bertram • Fastert, Steven Sven • Ellersick, William Frederick • Birdsall, Dwight David
Assignees
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Publication Number
US-12310710-B2
Publication Date
2025-05-27
Expiration Date
Abstract
In some embodiments, an electric field generator generates an electric field at a nominal frequency and a nominal amplitude. The electric field generator is connected to an antenna that radiates the electric field. A detector measures a frequency and an amplitude of the generated electric field as the electric field interacts with a body (such as a human body) in a reactive near-field region of the electric field. For each of one or more internal components of the body, a computation unit determines a respective periodic behavior in the measured frequency corresponding to movement of the internal component. The computation unit also computes, for each of the one or more internal components, a respective rate of the movement of the internal component based on the determined respective periodic behavior in the measured frequency. A gain control circuit adjusts the nominal amplitude according to the measured amplitude.
Core Innovation
The invention generates an electric field at a nominal amplitude and a nominal frequency and radiates the electric field through an antenna into a reactive near-field region in which the electric field interacts with a body. An amplitude of the generated electric field is measured as it interacts with the body, and the nominal amplitude is adjusted according to the measured amplitude. A modified electric field is then generated at a nominal frequency and the adjusted nominal amplitude and radiated through the antenna.
After radiating the modified electric field, a frequency of the modified electric field is measured as it interacts with the body in the reactive near-field region. Respective periodic behavior in the measured frequency is determined for one or more internal components of the body, where the periodic behavior corresponds to movement of the internal component. A respective rate of the movement of each internal component is computed based on the determined respective periodic behavior in the measured frequency.
In a system implementation, the detector measures frequency and amplitude of the generated electric field as it interacts with the body in the reactive near-field region. A computation unit determines, for each internal component, the periodic behavior in the measured frequency corresponding to movement and computes a rate of movement based on the determined periodic behavior. A gain control circuit adjusts the nominal amplitude according to the measured amplitude.
Claims Coverage
The document includes two independent claims, a method claim and a system claim. Across them, the coverage centers on reactive near-field electric-field amplitude measurement with gain control and measured-frequency periodic behavior analysis to compute movement rates for internal body components.
Amplitude-adjusted reactive near-field electric field generation and radiation
Generating an electric field at a nominal amplitude and a nominal frequency, radiating the electric field through an antenna into a reactive near-field region, measuring an amplitude of the generated electric field as it interacts with a body in the reactive near-field region, and adjusting the nominal amplitude according to the measured amplitude while generating and radiating a modified electric field using the adjusted nominal amplitude.
Periodic behavior determination from measured frequency and movement-rate computation
Measuring a frequency of the modified electric field as it interacts with the body in the reactive near-field region, determining for each of one or more internal components of the body a respective periodic behavior in the measured frequency corresponding to movement of the internal component, and computing for each internal component a respective rate of the movement based on the determined respective periodic behavior in the measured frequency.
System gain control based on measured amplitude in reactive near-field
Providing an electric field generator connected to an antenna, a detector configured to measure frequency and amplitude as the electric field interacts with a body in the reactive near-field region, and a gain control circuit configured to adjust the nominal amplitude according to the measured amplitude.
Computation unit for internal-component periodic behavior and movement-rate calculation
Configuring a computation unit to determine, for each of one or more internal components of the body, a respective periodic behavior in the measured frequency corresponding to movement of the internal component, and compute a respective rate of the movement of the internal component based on the determined respective periodic behavior.
The independent claims collectively cover generating and radiating electric fields into a reactive near-field region, using measured electric-field amplitude to adjust the nominal amplitude via gain control, and using measured frequency to determine periodic behavior for internal components and compute corresponding movement rates.
Stated Advantages
Not explicitly described in patent.
Documented Applications
Not explicitly described in patent.
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