Patent US3056683A successfully refreshed from Google Patents.
Patent US3072851A successfully refreshed from Google Patents.
US3072851A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse amplifier for altering the shape of undershoots
Assignee: Individual
•
Filing: 1959-01-07
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Granted: 1963-01-08
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Expires: 1979-01-07
Abstract
No abstract record available.
Inventors
- 👤 Fairstein Edward
- 👤 Raphael A Dandl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:49
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A PULSE AMPLIFIER FOR LIMITING THE EFFECTS OF UNDERSHOOTS COMPRISING A SERIES OF AMPLIFYING STAGES, A SERIES OF COUPLING CIRCUITS FOR COUPLING THE STAGES TOGETHER IN CASCADE TO FORM AN AMPLIFIER SYSTEM, SAID SERIES OF COUPLING CIRCUITS INCLUDING A PAIR OF DIFFERENTIATING NETWORKS, EACH COMPRISING A SHORT CIRCUITED DELAY LINE, SAID DELAY LINES HAVING SUBSTANTIALLY THE SAME TIME CONSTANT, ONE OF SAID DIFFERENTIATING NETWORKS BEING POSITIONED ADJACENT THE INPUT OF THE SERIES OF STAGES AND SERVING AS THE INPUT COUPLING FOR SAID STAGES AND ANOTHER OF SAID DIFFERENTIATING NETWORKS BEING POSITIONED ADJACENT THE OUTPUT OF THE SERIES OF THE STAGES TO REDUCE THE DURATION AND INCREASE THE AMPLITUDE OF THE UNDERSHOOTS OF PULSES PASSING THROUGH THE SYSTEM, AND MEANS FOR FEEDING STEP PULSES TO THE INPUT OF THE FIRST OF SAID SERIES OF STAGES.
Claim 2
Dependent Claim
134 words
A PULSE AMPLIFIER FOR LIMITING THE EFFECTS OF UNDERSHOOTS COMPRISING A SERIES OF AMPLIFYING STAGES, A SERIES OF COUPLING CIRCUITS FOR COUPLING THE STAGES TOGETHER IN CASCADE TO FORM AN AMPLIFIER SYSTEM, SAID SERIES OF COUPLING CIRCUITS INCLUDING A PAIR OF DIFFERENTIATING NETWORKS, EACH COMPRISING A SHORT CIRCUITED DELAY LINE, SAID DELAY LINES HAVING SUBSTANTIALLY THE SAME TIME CONSTANT, ONE OF SAID DIFFERENTIATING NETWORKS BEING POSITIONED ADJACENT THE INPUT OF THE SERIES OF STAGES AND SERVING AS THE INPUT COUPLING FOR SAID STAGES AND ANOTHER OF SAID DIFFERENTIATING NETWORKS BEING POSITIONED ADJACENT THE OUTPUT OF THE SERIES OF THE STAGES TO REDUCE THE DURATION AND INCREASE THE AMPLITUDE OF THE UNDERSHOOTS OF PULSES PASSING THROUGH THE SYSTEM, AND MEANS FOR FEEDING STEP PULSES TO THE INPUT OF THE FIRST OF SAID SERIES OF STAGES.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |