US3722288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic coupled detector of dynamic gravitational force gradients
Assignee: Raytheon Co
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Filing: 1969-01-31
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Granted: 1973-03-27
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Expires: 1989-01-31
Abstract
Abstract This is a detector wherein a dynamic mass quadrupole arrangement includes electrons and electromagnetic energy in a re-entrant cavity structure consisting of coaxially disposed inner and outer members of superconducting material. The arrangement is coupled to a dynamic gravitational force gradient having a characteristic frequency, at which frequency the cavity structure is electromagnetically resonant. The coupling occurs through a dynamic stress-energy-momentum tensor in the arrangement, and a coupling loop is disposed in the cavity for coupling out electromagnetic energy propagating in the structure.
Inventors
- 👤 J Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:00
CPC Classifications
G; G01; G01V; G01V7/00; G01V7/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A dynamic gravitational force gradient detector, comprising: a cylindrical re-entrant cavity structure consisting of an outer cylindrical container of a superconducting material wherein there is coaxially disposed a superconducting center conductor supported by a dielectric insulated support member, means to cool the cylinder to a cryogenic temperature a dynamic mass quadrupole arrangement including electrons and electromagnetic energy in said cavity, said quadrupole arrangement being coupled to a dynamic gravitational force gradient having a characteristic frequency, the coupling occurring through a dynamic stressenergy-momentum tensor in said quadrupole arrangement, said cylindrical container and center conductor being shaped and dimensioned to make the cavity structure electromagnetically resonant at said characteristic frequency; and electrical output means including a coupling loop disposed within said cavity structure for coupling out electromagnetic energy propagating in said structure.
Claim 2
Dependent Claim
130 words
A dynamic gravitational force gradient detector, comprising: a cylindrical re-entrant cavity structure consisting of an outer cylindrical container of a superconducting material wherein there is coaxially disposed a superconducting center conductor supported by a dielectric insulated support member, means to cool the cylinder to a cryogenic temperature a dynamic mass quadrupole arrangement including electrons and electromagnetic energy in said cavity, said quadrupole arrangement being coupled to a dynamic gravitational force gradient having a characteristic frequency, the coupling occurring through a dynamic stressenergy-momentum tensor in said quadrupole arrangement, said cylindrical container and center conductor being shaped and dimensioned to make the cavity structure electromagnetically resonant at said characteristic frequency; and electrical output means including a coupling loop disposed within said cavity structure for coupling out electromagnetic energy propagating in said structure.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-26 | 1976-09-25 | 1977-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-26 | 1980-09-25 | 1981-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-26 | 1984-09-25 | 1985-03-27 | $7700.00 | Window Closed / Lapsed |