Patent US1514097A successfully refreshed from Google Patents.
Patent US3334267A successfully refreshed from Google Patents.
US3334267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ferrite tuned cavity stabilized magnetron
Assignee: Raytheon Co
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Filing: 1966-08-12
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Granted: 1967-08-01
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Expires: 1986-08-12
Abstract
No abstract record available.
Inventors
- 👤 Robert F Plumridge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:58
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/50; H01J25/52; H01J25/58; H01J25/587
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
IN COMBINATION: MEANS FOR GENERATION OF HIGH FREQUENCY ELECTROMAGNETIC ENERGY OSCILLATIONS; FIRST FREQUENCY STABILIZING CAVITY RESONATOR MEANS TIGHTLY COUPLED TO SAID GENERATION MEANS FOR ESTABLISHING ELECTROMAGNETIC FIELD CONFIGURATIONS WITHIN SAID CAVITY RESONATOR ASSOCIATED WITH SAID OSCILLATIONS; MEANS FOR ELECTRICALLY VARYING THE FREQUENCY OF SAID OSCILLATIONS COMPRISING SECOND CAVITY RESONATOR MEANS MUTUALLY INDUCTIVELY COUPLED TO SAID FIRST CAVITY RESONATOR MEANS; FERROMAGNETIC MATERIAL MEANS DISPOSED IN THE MUTUALLY INDUCTIVE REGION BETWEEN SAID FIRST AND SECOND CAVITY RESONATOR MEANS; AND EXTERNAL D.C. MAGNETIC FIELD PRODUCING MEANS OPERATIVELY ASSOCIATED WITH SAID FERROMAGNETIC MEANS TO VARIABLY ALTER THE EFFECTIVE PERMEABILITY THEREOF AND THEREBY VARY THE MUTUAL INDUCTANCE BETWEEN SAID CAVITY RESONATOR MEANS WITH A CORRESPONDING VARIATION IN THE RESULTANT RESONANT FREQUENCY OF SAID OSCILLATIONS.
Claim 2
Dependent Claim
119 words
IN COMBINATION: MEANS FOR GENERATION OF HIGH FREQUENCY ELECTROMAGNETIC ENERGY OSCILLATIONS; FIRST FREQUENCY STABILIZING CAVITY RESONATOR MEANS TIGHTLY COUPLED TO SAID GENERATION MEANS FOR ESTABLISHING ELECTROMAGNETIC FIELD CONFIGURATIONS WITHIN SAID CAVITY RESONATOR ASSOCIATED WITH SAID OSCILLATIONS; MEANS FOR ELECTRICALLY VARYING THE FREQUENCY OF SAID OSCILLATIONS COMPRISING SECOND CAVITY RESONATOR MEANS MUTUALLY INDUCTIVELY COUPLED TO SAID FIRST CAVITY RESONATOR MEANS; FERROMAGNETIC MATERIAL MEANS DISPOSED IN THE MUTUALLY INDUCTIVE REGION BETWEEN SAID FIRST AND SECOND CAVITY RESONATOR MEANS; AND EXTERNAL D.C. MAGNETIC FIELD PRODUCING MEANS OPERATIVELY ASSOCIATED WITH SAID FERROMAGNETIC MEANS TO VARIABLY ALTER THE EFFECTIVE PERMEABILITY THEREOF AND THEREBY VARY THE MUTUAL INDUCTANCE BETWEEN SAID CAVITY RESONATOR MEANS WITH A CORRESPONDING VARIATION IN THE RESULTANT RESONANT FREQUENCY OF SAID OSCILLATIONS.
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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |