US3422269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resonant kerr effect electromagnetic wave modulators
Assignee: Honeywell Inc
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Filing: 1964-04-10
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Granted: 1969-01-14
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Expires: 1984-04-10
Abstract
No abstract record available.
Inventors
- 👤 Di Chen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:33
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A MODULATOR FOR CONTINUOUSLY MODULATING ELECTROMAGNETIC WAVES COMPRISING: A SUBSTANTIAL PLANAR FERROMAGNETIC FILM HAVING A RESULTANT FERROMAGNETIC FILM VECTOR SUBSTANTIALLY PARALLEL TO THE PLANE OF SAID FILM; MEANS FOR APPLYING A UNIDIRECTIONAL MAGNETIC FIELD TO SAID FILM IN A DIRECTION PARALLEL TO THE PLANE OF SAID FILM AND SAID FILM VECTOR TO TUNE SAID FILM VECTOR TO A DESIRED FERROMAGNETIC RESONANT FREQUENCY; AND
Claim 2
Dependent Claim
63 words
A MODULATOR FOR CONTINUOUSLY MODULATING ELECTROMAGNETIC WAVES COMPRISING: A SUBSTANTIAL PLANAR FERROMAGNETIC FILM HAVING A RESULTANT FERROMAGNETIC FILM VECTOR SUBSTANTIALLY PARALLEL TO THE PLANE OF SAID FILM; MEANS FOR APPLYING A UNIDIRECTIONAL MAGNETIC FIELD TO SAID FILM IN A DIRECTION PARALLEL TO THE PLANE OF SAID FILM AND SAID FILM VECTOR TO TUNE SAID FILM VECTOR TO A DESIRED FERROMAGNETIC RESONANT FREQUENCY; AND
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) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |