US3087122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic wave generation utilizing electron spins in magnetic materials
Assignee: AT&T Inc
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Filing: 1960-11-10
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Granted: 1963-04-23
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Expires: 1980-11-10
Abstract
No abstract record available.
Inventors
- 👤 John H Rowen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:59
CPC Classifications
H; H03; H03L; H03L7/00; H03L7/26; H03F; H03F7/00; H03F7/02; H03K; H03K3/00; H03K3/78
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A GENERATOR OF HIGH FREQUENCY WAVE ENERGY COMPRISING A BODY OF MATERIAL HAVING A KNOWN GYROMAGNETIC RATIO, A RELAXATION TIME, AN ANISOTROPY CRYSTALLINE FIELD THAT VARIES WITH DEFORMATION OF THE MATERIAL, AND AN INTERNAL EFFECTIVE MAGNETIC FIELD THAT INCLUDES SAID ANISOTROPY FIELD AND THE COMPONENT OF ANY EXTERNAL MAGNETIC FIELD APPLIED TO SAID BODY, MEANS FOR APPLYING PHYSICAL PRESSURE TO SAID BODY THAT VARIES IN A PERIOD SHORT COMPARED TO SAID RELAXATION TIME, AND MEANS FOR COUPLING ELECTROMAGNETIC WAVE ENERGY FROM SAID BODY AT A FREQUENCY THAT IS SUBSTANTIALLY EQUAL TO SAID GYROMAGNETIC RATIO MULTIPLIED BY SAID INTERNAL EFFECTIVE MAGNETIC FIELD.
Claim 2
Dependent Claim
101 words
A GENERATOR OF HIGH FREQUENCY WAVE ENERGY COMPRISING A BODY OF MATERIAL HAVING A KNOWN GYROMAGNETIC RATIO, A RELAXATION TIME, AN ANISOTROPY CRYSTALLINE FIELD THAT VARIES WITH DEFORMATION OF THE MATERIAL, AND AN INTERNAL EFFECTIVE MAGNETIC FIELD THAT INCLUDES SAID ANISOTROPY FIELD AND THE COMPONENT OF ANY EXTERNAL MAGNETIC FIELD APPLIED TO SAID BODY, MEANS FOR APPLYING PHYSICAL PRESSURE TO SAID BODY THAT VARIES IN A PERIOD SHORT COMPARED TO SAID RELAXATION TIME, AND MEANS FOR COUPLING ELECTROMAGNETIC WAVE ENERGY FROM SAID BODY AT A FREQUENCY THAT IS SUBSTANTIALLY EQUAL TO SAID GYROMAGNETIC RATIO MULTIPLIED BY SAID INTERNAL EFFECTIVE MAGNETIC FIELD.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |