US3307189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave antenna lobing
Assignee: Individual
•
Filing: 1961-03-22
•
Granted: 1967-02-28
•
Expires: 1981-03-22
Abstract
No abstract record available.
Inventors
- 👤 John E Meade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:52
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/42; G01S13/44; G01S13/4409; G01S13/4481
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
98 words
A CONICAL SCANNING TRANSMITTER ANTENNA SYSTEM FOR HIGH POWER MICROWAVE ENERGY COMPRISING, FOUR FIXED RADIATING ELEMENTS, A TRANSMITTER, A DIVIDING MEANS CONNECTED TO SAID TRANSMITTER TO DIVIDE ENERGY FROM SAID TRANSMITTER INTO A CARRIER COMPONENT AND A SIDEBAND COMPONENT, MEANS DIVIDING SAID SIDEBAND COMPONENT INTO TWO EQUAL SUBCOMPONENTS, MEANS INTRODUCING AN EQUAL BUT OPPOSITE AND CONTINUOUSLY VARIABLE PHASE SHIFT TO EACH OF SAID SUBCOMPONENTS, AND MEANS FOR COMBINING AND APPLYING SAID CARRIER COMPONENT AND SAID PHASE SHIFTED SUBCOMPONENTS TO SAID FIXED RADIATING ELEMENTS AS AN AMPLITUDE MODULATED CARRIER HAVING THE MODULATION PHASE RELATION OF ADJACENT ELEMENTS IN QUADRATURE.
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |