US3273397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Measurement of static force field gradients
Assignee: Raytheon Co
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Filing: 1964-06-05
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Granted: 1966-09-20
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Expires: 1984-06-05
Abstract
No abstract record available.
Inventors
- 👤 Robert L Forward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:03
CPC Classifications
G; G01; G01V; G01V7/00; G01V7/005; G01R; G01R33/00; G01R33/02; G01R33/022; G01V11/00; G01V3/00; G01V3/15; G01V3/165
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A SYSTEM FOR MEASUREMENT OF STATIC FORCE FIELD GRADIENTS, COMPRISING: A RESONANT ENERGY STORAGE DEVICE INCLUDING A PLURALITY OF SPACED SENSING ELEMENTS RESPONSIVE TO A PARTICULAR TYPE OF FORCE FIELD COUPLED THERETO; MEANS FOR IMPARTING EQUALLY TO SAID SENSING ELEMENTS A PERIODIC MOTION THROUGH THE FORCE FIELD BEING MEASURED TO INDUCE IN SAID SENSING ELEMENTS ENERGY IN THE FORM OF PERIODICALLY VARYING SIGNALS; MEANS FOR COMBINING SAID SIGNALS FROM EACH OF THE PLURALITY OF SENSING ELEMENTS IN SAID RESONANT ENERGY STORAGE DEVICE TO FORM A RESULTANT COMPLEX SIGNAL, SAID SPACING OF SAID PLURALITY OF SENSING ELEMENTS CAUSING SAID COMPLEX SIGNAL TO HAVE GRADIENT CONNOTING COMPONENTS AT VARIOUS HARMONIC FREQUENCIES
Claim 2
Independent Claim
109 words
A SYSTEM FOR MEASUREMENT OF STATIC FORCE FIELD GRADIENTS, COMPRISING: A RESONANT ENERGY STORAGE DEVICE INCLUDING A PLURALITY OF SPACED SENSING ELEMENTS RESPONSIVE TO A PARTICULAR TYPE OF FORCE FIELD COUPLED THERETO; MEANS FOR IMPARTING EQUALLY TO SAID SENSING ELEMENTS A PERIODIC MOTION THROUGH THE FORCE FIELD BEING MEASURED TO INDUCE IN SAID SENSING ELEMENTS ENERGY IN THE FORM OF PERIODICALLY VARYING SIGNALS; MEANS FOR COMBINING SAID SIGNALS FROM EACH OF THE PLURALITY OF SENSING ELEMENTS IN SAID RESONANT ENERGY STORAGE DEVICE TO FORM A RESULTANT COMPLEX SIGNAL, SAID SPACING OF SAID PLURALITY OF SENSING ELEMENTS CAUSING SAID COMPLEX SIGNAL TO HAVE GRADIENT CONNOTING COMPONENTS AT VARIOUS HARMONIC FREQUENCIES
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |