US3346823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Passive device for obtaining independent amplitude and phase control of a uhf or microwave signal
Assignee: Individual
•
Filing: 1964-12-18
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Granted: 1967-10-10
•
Expires: 1984-12-18
Abstract
No abstract record available.
Inventors
- 👤 John W Maurer
- 👤 John P Quine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:38
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/18; H01P1/183; H01P5/00; H01P5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A PASSIVE DEVICE INCLUDING: TWO 3 DB HYBRID FOUR PORT JUNCTIONS WHICH ARE INTERCONNECTED BY TWO PHASE SHIFTERS, SAID PHASE SHIFTERS HAVING GANGED DEVICES COUPLED THERETO FOR INDEPENDENTLY OR SIMULTANEOUSLY ADJUSTING EACH OF SAID PHASE SHIFTERS IN EITHER THE FORWARD OR REVERSE DIRECTION FOR VARYING THE PHASE AND AMPLITUDE OF A POWER INPUT SIGNAL APPLIED TO ONE PORT OF ONE OF THE 3 DB HYBRID FOUR PORT JUNCTIONS BEFORE APPEARING AS AN OUTPUT SIGNAL AT ONE OF THE PORTS OF THE OTHER 3 DB HYBRID FOUR PORT JUNCTION.
Claim 2
Dependent Claim
88 words
A PASSIVE DEVICE INCLUDING: TWO 3 DB HYBRID FOUR PORT JUNCTIONS WHICH ARE INTERCONNECTED BY TWO PHASE SHIFTERS, SAID PHASE SHIFTERS HAVING GANGED DEVICES COUPLED THERETO FOR INDEPENDENTLY OR SIMULTANEOUSLY ADJUSTING EACH OF SAID PHASE SHIFTERS IN EITHER THE FORWARD OR REVERSE DIRECTION FOR VARYING THE PHASE AND AMPLITUDE OF A POWER INPUT SIGNAL APPLIED TO ONE PORT OF ONE OF THE 3 DB HYBRID FOUR PORT JUNCTIONS BEFORE APPEARING AS AN OUTPUT SIGNAL AT ONE OF THE PORTS OF THE OTHER 3 DB HYBRID FOUR PORT JUNCTION.
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) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |