US3114121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave phase shifter
Assignee: Laboratory For Electronics Inc
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Filing: 1961-09-25
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Granted: 1963-12-10
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Expires: 1981-09-25
Abstract
No abstract record available.
Inventors
- 👤 Robert A Jordan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:24
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/18; H01P1/184
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A MICROWAVE PHASE SHIFTER COMPRISING A FIRST, AND A SECOND ARCUATE SECTION OF LINE INSULATINGLY DISPOSED ABOUT A CENTER BETWEEN A FIRST AND SECOND GROUND PLANE, THE LENGTH OF EACH ARCUATE SECTION BEING AT LEAST EQUAL TO ONE HALF A WAVELENGTH OF THE MICROWAVE ENERGY WHOSE PHASE IS TO BE SHIFTED, MEANS OPERATIVE THROUGH ONE GROUND PLANE TO CONNECT THE FIRST AND SECOND ARCUATE SECTION OF LINE IN CIRCUIT WITH SUCH MICROWAVE ENERGY THE JUST-MENTIONED MEANS INCLUDING, A PHASE ADJUSTING SECTION OF LINE HAVING ARMS COMPLEMENTARY IN SHAPE TO THE FIRST AND SECOND ARCUATE SECTION AND A CENTRAL PORTION CONNECTING ONE END OF ONE SUCH ARM TO ONE END OF THE OTHER, AND MEANS OPERATIVE THROUGH THE SECOND GROUND PLANE TO PRESS THE PHASE ADJUSTING SECTION OF LINE AGAINST THE FIRST AND SECOND SECTION OF LINE AND TO ROTATE THE PHASE ADJUSTING SECTION TO VARY ONLY THE ELECTRICAL LENGTH OF LINE INCLUDING THE ARCUATE SECTIONS.
Claim 2
Dependent Claim
155 words
A MICROWAVE PHASE SHIFTER COMPRISING A FIRST, AND A SECOND ARCUATE SECTION OF LINE INSULATINGLY DISPOSED ABOUT A CENTER BETWEEN A FIRST AND SECOND GROUND PLANE, THE LENGTH OF EACH ARCUATE SECTION BEING AT LEAST EQUAL TO ONE HALF A WAVELENGTH OF THE MICROWAVE ENERGY WHOSE PHASE IS TO BE SHIFTED, MEANS OPERATIVE THROUGH ONE GROUND PLANE TO CONNECT THE FIRST AND SECOND ARCUATE SECTION OF LINE IN CIRCUIT WITH SUCH MICROWAVE ENERGY THE JUST-MENTIONED MEANS INCLUDING, A PHASE ADJUSTING SECTION OF LINE HAVING ARMS COMPLEMENTARY IN SHAPE TO THE FIRST AND SECOND ARCUATE SECTION AND A CENTRAL PORTION CONNECTING ONE END OF ONE SUCH ARM TO ONE END OF THE OTHER, AND MEANS OPERATIVE THROUGH THE SECOND GROUND PLANE TO PRESS THE PHASE ADJUSTING SECTION OF LINE AGAINST THE FIRST AND SECOND SECTION OF LINE AND TO ROTATE THE PHASE ADJUSTING SECTION TO VARY ONLY THE ELECTRICAL LENGTH OF LINE INCLUDING THE ARCUATE SECTIONS.
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) | 1966-12-09 | 1967-06-10 | 1967-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-09 | 1971-06-10 | 1971-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-09 | 1975-06-10 | 1975-12-10 | $7700.00 | Window Closed / Lapsed |