Patent US3202908A successfully refreshed from Google Patents.
US3202908A
Expired / Lapsed
US
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Quantum resonance method and apparatus
Assignee: Varian Medical Systems Inc
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Filing: 1962-03-09
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Granted: 1965-08-24
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Expires: 1982-03-09
Abstract
No abstract record available.
Inventors
- 👤 Weston A Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:06
CPC Classifications
G; G01; G01R; G01R33/00; G01R33/20; G01R33/44; G01R33/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A METHOD FOR SELECTIVELY OBTAINING QUANTUM RESONANCE SIGNALS FROM A FIRST GROUP OF PARTICLES IN A SAMPLE CONTAINING AT LEAST SAID FIRST GROUP OF PARTICLES AND A SECOND GROUP OF PARTICLES, SASID FIRST AND SECOND GROUPS BEING MUTUALLY SPIN COUPLED AND CAPABLE OF UNDERGOING GYROMAGNETIC RESONANCE QUANTUM TRANNSISTIIONS IN A MAGNETIC FIEDLD, SAID METHOD COMPRISING THE STEPS OF : DISPOSING SAID GRROUPS IN A MAGNETIC FIELD TO DEFINE DIFFERENT CHARACTERISTIC TRANSITION FREQUEENCIES FOR EACH GROUP; IRRADIATING EACH GROUP WITH AN ALTERNATING MAGNETIC FIELD OF A FREQUENCY SUBSTANTIALLY CLOSE TO AT LEAST ONE OF SAID CHARACTERISTICS TRANISTON FREQUENCIES; CYCLLICALLY MODULATING ONE OF SAID ALTERNATING MAGNETIC FIELDS, FOR PROVIDING MODULATION FOR THE EXCITATION OR RESONANCE IN ONE OF SAID GROUPS; AND DETECTING ANNY RESULTANT MODULATION THEREBY EFFECTED IN THE RESONANCE OF THE OTHER OF SAID GROUPS.
Claim 2
Independent Claim
134 words
A METHOD FOR SELECTIVELY OBTAINING QUANTUM RESONANCE SIGNALS FROM A FIRST GROUP OF PARTICLES IN A SAMPLE CONTAINING AT LEAST SAID FIRST GROUP OF PARTICLES AND A SECOND GROUP OF PARTICLES, SASID FIRST AND SECOND GROUPS BEING MUTUALLY SPIN COUPLED AND CAPABLE OF UNDERGOING GYROMAGNETIC RESONANCE QUANTUM TRANNSISTIIONS IN A MAGNETIC FIEDLD, SAID METHOD COMPRISING THE STEPS OF : DISPOSING SAID GRROUPS IN A MAGNETIC FIELD TO DEFINE DIFFERENT CHARACTERISTIC TRANSITION FREQUEENCIES FOR EACH GROUP; IRRADIATING EACH GROUP WITH AN ALTERNATING MAGNETIC FIELD OF A FREQUENCY SUBSTANTIALLY CLOSE TO AT LEAST ONE OF SAID CHARACTERISTICS TRANISTON FREQUENCIES; CYCLLICALLY MODULATING ONE OF SAID ALTERNATING MAGNETIC FIELDS, FOR PROVIDING MODULATION FOR THE EXCITATION OR RESONANCE IN ONE OF SAID GROUPS; AND DETECTING ANNY RESULTANT MODULATION THEREBY EFFECTED IN THE RESONANCE OF THE OTHER OF SAID GROUPS.
References Cited (Backward Citations)
US3126485A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |