US3316508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latching microwave digital attenuator
Assignee: Westinghouse Electric Corp
•
Filing: 1965-08-24
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Granted: 1967-04-25
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Expires: 1985-08-24
Abstract
No abstract record available.
Inventors
- 👤 Raymond R Jones
- 👤 Joseph A Kempic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:00
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/22; H01P1/23
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A MICROWAVE AMPLITUDE MODULATOR COMPRISING IN COMBINATION; A WAVEGUIDE; AT LEAST ONE FERRITE ELEMENT DISPOSED WITHIN SAID WAVEGUIDE; SAID FERRITE ELEMENT HAVING A FIRST REMANENT STATE AND A SECOND REMANENT STATE; MEANS FOR SELECTIVELY LATCHING SAID FERRITE ELEMENT IN SAID FIRST AND SAID SECOND STATE; RESISTIVE MEANS DISPOSED ON OPPOSITE SIDES OF SAID FERRITE ELEMENT; SAID FERRITE ELEMENT IN ONE OF ITS REMANENT STATES CONCENTRATING THE ELECTRIC FIELD OF THE MICROWAVE POWER IN THE REGION OF THE FERRITE ELEMENT AND IN THE OTHER REMANENT STATE DISPLACING SAID ELECTRIC FIELD TO THE POSITION OF SAID RESISTIVE MEANS.
Claim 2
Dependent Claim
96 words
A MICROWAVE AMPLITUDE MODULATOR COMPRISING IN COMBINATION; A WAVEGUIDE; AT LEAST ONE FERRITE ELEMENT DISPOSED WITHIN SAID WAVEGUIDE; SAID FERRITE ELEMENT HAVING A FIRST REMANENT STATE AND A SECOND REMANENT STATE; MEANS FOR SELECTIVELY LATCHING SAID FERRITE ELEMENT IN SAID FIRST AND SAID SECOND STATE; RESISTIVE MEANS DISPOSED ON OPPOSITE SIDES OF SAID FERRITE ELEMENT; SAID FERRITE ELEMENT IN ONE OF ITS REMANENT STATES CONCENTRATING THE ELECTRIC FIELD OF THE MICROWAVE POWER IN THE REGION OF THE FERRITE ELEMENT AND IN THE OTHER REMANENT STATE DISPLACING SAID ELECTRIC FIELD TO THE POSITION OF SAID RESISTIVE MEANS.
References Cited (Backward Citations)
US2946025A
Cited
US3188582A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-24 | 1970-10-24 | 1971-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-24 | 1974-10-24 | 1975-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-24 | 1978-10-24 | 1979-04-25 | $7700.00 | Window Closed / Lapsed |