Patent US2667621A successfully refreshed from Google Patents.
US3221186A
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Clamped integrating circuit arrangements
Assignee: BAE Systems Electronics Ltd
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Filing: 1963-10-07
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Granted: 1965-11-30
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Expires: 1983-10-07
Abstract
No abstract record available.
Inventors
- 👤 Macdonald John Burnet
- 👤 Chandler David Horace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:48
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/60; G; G06; G06G; G06G7/00; G06G7/12; G06G7/18; G06G7/184; G06G7/186; G06G7/1865
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A CLAMPED INTEGRATING CIRCUIT ARRANGEMENT COMPRISING A CONDENSER IN SERIES WITH A RESISTANCE; AN OUTPUT TERMINAL CONNECTED TO SAID CONDENSER; A D.C. AMPLIFIER CONNECTED ACROSS SAID CONDENSER; A SHORT CIRCUIT CONNECTED ACROSS SAID CONDENSER AND INCLUDING A TRANSISTOR, AN AMPLITUDE LIMITER, AND A REPEATER, SAID AMPLITUDE LIMITER BEING CONNECTED BETWEEN SAID OUTPUT TERMINAL AND SAID REPEATER; AND MEANS FOR APPLYING A CLAMPING VOLTAGE WAVE FORM TO THE BASE OF SAID TRANSISTOR TO RENDER IT CONDUCTIVE TO CLAMP SAID CONDENSER AT PREDETERMINED TIMES.
Claim 2
Dependent Claim
82 words
A CLAMPED INTEGRATING CIRCUIT ARRANGEMENT COMPRISING A CONDENSER IN SERIES WITH A RESISTANCE; AN OUTPUT TERMINAL CONNECTED TO SAID CONDENSER; A D.C. AMPLIFIER CONNECTED ACROSS SAID CONDENSER; A SHORT CIRCUIT CONNECTED ACROSS SAID CONDENSER AND INCLUDING A TRANSISTOR, AN AMPLITUDE LIMITER, AND A REPEATER, SAID AMPLITUDE LIMITER BEING CONNECTED BETWEEN SAID OUTPUT TERMINAL AND SAID REPEATER; AND MEANS FOR APPLYING A CLAMPING VOLTAGE WAVE FORM TO THE BASE OF SAID TRANSISTOR TO RENDER IT CONDUCTIVE TO CLAMP SAID CONDENSER AT PREDETERMINED TIMES.
References Cited (Backward Citations)
US3129326A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |