Method and Apparatus for Detecting a Dynamical Change in a Gravitational Field

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The invention provides a method and apparatus for detecting dynamic changes in gravitational fields by converting them into measurable electric signals. This is achieved by using a stationary or moving conductor loop placed in a predefined magnetic field. When the gravitational field changes dynamically (e.g., due to a passing gravitational wave or moving mass), it causes changes in spacetime that alter the area encircled by the loop. This, in turn, changes the magnetic flux through the loop and induces an electric current, which can be detected and measured to infer properties of the gravitational field.

Use CasesContent extracted from patent full text and abstract with AI.

• Detection of gravitational waves for astrophysics research and fundamental physics experiments.
• Geophysical exploration, such as oil, gas, and mineral prospecting, by sensing changes in the Earth's gravitational field.
• Real-time gravity field sensing for navigation systems, especially in environments where GPS is unavailable.
• Sensitive detection of mass movements underground, aiding seismic or volcanic monitoring.
• Motion detection and security applications based on changes in local gravitational fields.

BenefitsContent extracted from patent full text and abstract with AI.

• No need for moving masses or complex proof-mass stabilization, simplifying the apparatus design and reducing mechanical noise.
• Direct conversion of gravitational field changes into electrical signals enables straightforward integration with electronic measurement systems.
• Potential for increased sensitivity and miniaturization compared to traditional mechanical or interferometric gravimeters and gradiometers.
• Compatibility with stationary and mobile platforms, broadening application scenarios, including airborne or satellite-based sensing.
• Lower operational complexity, maintenance requirements, and cost compared to quantum-based or large interferometric gravitational sensors.

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Patent Abstract

A method and apparatus for detecting a dynamical change in a gravitational field is disclosed by conversion into measurable electric signals induced in a conductor loop.