US3215930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spin decoupling magnetic resonance apparatus and method
Assignee: PerkinElmer Ltd
•
Filing: 1962-06-07
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Granted: 1965-11-02
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Expires: 1982-06-07
Abstract
No abstract record available.
Inventors
- 👤 Turner David Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:11
CPC Classifications
G; G01; G01R; G01R33/00; G01R33/20; G01R33/44; G01R33/46; G01R33/4608; G01R33/28; G01R33/32; G01R33/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A MAGNETIC RESONANCE APPARATUS COMPRISING A FIRST SOURCE OF ALTERNATING SIGNALS, A SECOND SOURCE ARRANGED TO PROVIDE RADIO FREQUENCY SIGNALS FOR MODULATION BY SAID ALTERNATING SIGNALS TO PRODUCE TWO SIDEBANDS, MEAND FOR SUPPRESSING ONE OF THE SAID SIDEBANDS, A POLARIZING MAGNET HAVING POLES PROVIDING A DIRECT MAGNETIC FIELD ACROSS A PREDETERMINED LOCATION WHICH IS ADAPTED TO CONTAIN A GYROMAGNETIC RESONANCE SAMPLE, MEANS FOR GENERATING AN ALTERNATING MAGNETIC FIELD ACROSS SAID SAMPLE LOCATION AT A SUBSTANTIAL ANGLE RELATIVE TO SAID DIRECT MAGNETIC FIELD, AND CONDUCTOR MEANS CONNECTED TO RECEIVE SAID RADIO FREQUENCY SIGNALS AND SAID UNSUPPRESSED SIDEBAND AND TO CONVEY BOTH TO SAID ALTERNATING FIELD GENERARING MEANS, WHEREBY TWO ALTERNATING MAGNETIC FIELDS AT SAID RADIO FREQUENCY AND SAID SIDEBAND FREQUENCY, RESPECTIVELY, AREPRODUCED, SAID RADIO FREQUENCY ALTERNATING MAGNETIC FIELD
Claim 2
Dependent Claim
127 words
A MAGNETIC RESONANCE APPARATUS COMPRISING A FIRST SOURCE OF ALTERNATING SIGNALS, A SECOND SOURCE ARRANGED TO PROVIDE RADIO FREQUENCY SIGNALS FOR MODULATION BY SAID ALTERNATING SIGNALS TO PRODUCE TWO SIDEBANDS, MEAND FOR SUPPRESSING ONE OF THE SAID SIDEBANDS, A POLARIZING MAGNET HAVING POLES PROVIDING A DIRECT MAGNETIC FIELD ACROSS A PREDETERMINED LOCATION WHICH IS ADAPTED TO CONTAIN A GYROMAGNETIC RESONANCE SAMPLE, MEANS FOR GENERATING AN ALTERNATING MAGNETIC FIELD ACROSS SAID SAMPLE LOCATION AT A SUBSTANTIAL ANGLE RELATIVE TO SAID DIRECT MAGNETIC FIELD, AND CONDUCTOR MEANS CONNECTED TO RECEIVE SAID RADIO FREQUENCY SIGNALS AND SAID UNSUPPRESSED SIDEBAND AND TO CONVEY BOTH TO SAID ALTERNATING FIELD GENERARING MEANS, WHEREBY TWO ALTERNATING MAGNETIC FIELDS AT SAID RADIO FREQUENCY AND SAID SIDEBAND FREQUENCY, RESPECTIVELY, AREPRODUCED, SAID RADIO FREQUENCY ALTERNATING MAGNETIC FIELD
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |