Patent US4306185A successfully refreshed from Google Patents.
Patent US3218569A successfully refreshed from Google Patents.
US3218569A
Expired / Lapsed
US
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Distributed amplifier
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1962-01-05
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Granted: 1965-11-16
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Expires: 1982-01-05
Abstract
No abstract record available.
Inventors
- 👤 Alfred B Beck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:10
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/08; H03F1/18; H03F1/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
IN A HIGH POWER DISTRIBUTED AMPLIFIER: FIRST AND SECOND SIGNAL TRANSMISSION LINES; MEANS FOR APPLYING INPUT SIGNALS TO ONE END OF SAID FIRST LINE; MEANS FOR DERIVING AMPLIFIED SIGNALS FROM ONE END OF SAID SECOND LINE; MEANS TERMINATING THE OTHER ENDS OF SAID LINES; AND AT LEAST THREE AMPLIFIER DEVICES EACH COMPRISING AN INPUT TERMINAL AND AN OUTPUT TERMINAL, WITH SAID INPUT TERMINALS INDIVIDUALLY COUPLED TO ELECTRICALLY SPACED POINTS ALONG SAID FIRST LINE AND SAID OUTPUT TERMINALS INDIVIDUALLY COUPLED TO ELECTRICALLY SPACED POINTS ALONG SAID SECOND LINE; SAID FIRST AND SECOND LINES HAVING INCREMENTAL SIGNAL PHASE SHIFT CHARACTERISTIC 0 AND 0 RESPECTIVELY, WITH 0 AND 0 BEING DIFFERENTIAL FUNCTIONS OF SIGNAL FREQUENCY
Claim 2
Dependent Claim
112 words
IN A HIGH POWER DISTRIBUTED AMPLIFIER: FIRST AND SECOND SIGNAL TRANSMISSION LINES; MEANS FOR APPLYING INPUT SIGNALS TO ONE END OF SAID FIRST LINE; MEANS FOR DERIVING AMPLIFIED SIGNALS FROM ONE END OF SAID SECOND LINE; MEANS TERMINATING THE OTHER ENDS OF SAID LINES; AND AT LEAST THREE AMPLIFIER DEVICES EACH COMPRISING AN INPUT TERMINAL AND AN OUTPUT TERMINAL, WITH SAID INPUT TERMINALS INDIVIDUALLY COUPLED TO ELECTRICALLY SPACED POINTS ALONG SAID FIRST LINE AND SAID OUTPUT TERMINALS INDIVIDUALLY COUPLED TO ELECTRICALLY SPACED POINTS ALONG SAID SECOND LINE; SAID FIRST AND SECOND LINES HAVING INCREMENTAL SIGNAL PHASE SHIFT CHARACTERISTIC 0 AND 0 RESPECTIVELY, WITH 0 AND 0 BEING DIFFERENTIAL FUNCTIONS OF SIGNAL FREQUENCY
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) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |