US3173083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gyromagnetic resonance method and apparatus
Assignee: Varian Medical Systems Inc
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Filing: 1962-02-23
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Granted: 1965-03-09
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Expires: 1982-02-23
Abstract
No abstract record available.
Inventors
- 👤 Weston A Anderson
- 👤 Forrest A Nelson
- 👤 David L Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:11
CPC Classifications
G; G01; G01R; G01R33/00; G01R33/20; G01R33/28; G01R33/38; G01R33/389
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
GYROMAGNETIC RESONANCE APPARATUS INCLUDING A MEASUREMENT CHANNEL AND AN OSCILLATOR CHANNEL, SAID MEANSUREMENT CHANNEL ADAPTED TO CONTAIN A FIRST GYROMAGNETIC SUBSTANCE AND SAID OSCILLATOR CHANNEL ADAPTED TO CONTAIN A SECOND GYROMAGNETIC SUBSTANCE, MEANS FOR PRODUCING A UNDERICTIONAL MAGNETIC FIELD FOR POLARIZING SAID SUBSTANCES, MEANS FOR APPLYING DRIVING RADIO FREQUENCY MAGNETIC FIELDS TO SAID SUBSTANCES AT AN ANGLE TO SAID POLARIZING MAGNETIC FIELD TO PRODUCE GYROMAGNETIC RESONANCE IN SAID SUBSTANCES, MEANS FOR MODULATING ONE OF SAID POLARIZING OR RADIO FREQUENCY MAGNETIC FIELDS APPLIED TO EACH OF SAID TWO SUBSTANCES AT A PERIODIC LOW FREQUENCY RATE TO PRODUCE RADIO FREQUENCY SIDE BAND RESONANCE SIGNALS FROM THE SUBSTANCES, THE PARAMETERS OF THE POLARIZING AND RADIO FREQUENCY FIELDS AT EACH SUBSTANCE BEING SO SELECTED THAT RESONANCE AT ONE OF THE SIDE BAND
Claim 2
Dependent Claim
128 words
GYROMAGNETIC RESONANCE APPARATUS INCLUDING A MEASUREMENT CHANNEL AND AN OSCILLATOR CHANNEL, SAID MEANSUREMENT CHANNEL ADAPTED TO CONTAIN A FIRST GYROMAGNETIC SUBSTANCE AND SAID OSCILLATOR CHANNEL ADAPTED TO CONTAIN A SECOND GYROMAGNETIC SUBSTANCE, MEANS FOR PRODUCING A UNDERICTIONAL MAGNETIC FIELD FOR POLARIZING SAID SUBSTANCES, MEANS FOR APPLYING DRIVING RADIO FREQUENCY MAGNETIC FIELDS TO SAID SUBSTANCES AT AN ANGLE TO SAID POLARIZING MAGNETIC FIELD TO PRODUCE GYROMAGNETIC RESONANCE IN SAID SUBSTANCES, MEANS FOR MODULATING ONE OF SAID POLARIZING OR RADIO FREQUENCY MAGNETIC FIELDS APPLIED TO EACH OF SAID TWO SUBSTANCES AT A PERIODIC LOW FREQUENCY RATE TO PRODUCE RADIO FREQUENCY SIDE BAND RESONANCE SIGNALS FROM THE SUBSTANCES, THE PARAMETERS OF THE POLARIZING AND RADIO FREQUENCY FIELDS AT EACH SUBSTANCE BEING SO SELECTED THAT RESONANCE AT ONE OF THE SIDE BAND
References Cited (Backward Citations)
US3085195A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |