Patent US5313611A successfully refreshed from Google Patents.
Patent US3219940A successfully refreshed from Google Patents.
US3219940A
Expired / Lapsed
US
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Ratemeters for electrical pulses
Assignee: United Kingdom Atomic Energy Authority
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Filing: 1963-03-22
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Granted: 1965-11-23
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Expires: 1983-03-22
Abstract
No abstract record available.
Inventors
- 👤 Cooke-Yarborough Edmund Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:02
CPC Classifications
G; G01; G01R; G01R23/00; G01R23/02; G01R23/06; G01R23/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A RATEMETER FOR ELECTRICAL PULSES COMPRISING AN ELECTRONIC INTEGRATING CIRCUIT HAVING A STORAGE CAPACITOR FOR CHARGING BY SAID PULSES, MEANS FOR DISCHRGING SAID CAPACITOR AT A CONSTANT RATE INDEPENDENT OF THE RATE AT WHICH PULSES ARE FED TO SAID CAPACITOR, MEANS TEMPORARILY CONNECTABLE TO SAID STORAGE CAPACITOR PRIOR TO MAKING A COUNT FOR OBTAINING A VOLTAGE PROPORTIONAL TO THE DIFFERENCE BETWEEN THE CURRENT CORRESPONDING TO A GIVEN COUNT-RATE AND THE MEAN CURRENT DUE TO BACKGROUND PULSES, MEANS FOR MAKING THE CHARGE PER BACKGROUND PULSE FED TO THE STORAGE CAPACITOR PROPORTIONAL TO SAID VOLTAGE, MEANS FOR ESTAB-
Claim 2
Dependent Claim
96 words
A RATEMETER FOR ELECTRICAL PULSES COMPRISING AN ELECTRONIC INTEGRATING CIRCUIT HAVING A STORAGE CAPACITOR FOR CHARGING BY SAID PULSES, MEANS FOR DISCHRGING SAID CAPACITOR AT A CONSTANT RATE INDEPENDENT OF THE RATE AT WHICH PULSES ARE FED TO SAID CAPACITOR, MEANS TEMPORARILY CONNECTABLE TO SAID STORAGE CAPACITOR PRIOR TO MAKING A COUNT FOR OBTAINING A VOLTAGE PROPORTIONAL TO THE DIFFERENCE BETWEEN THE CURRENT CORRESPONDING TO A GIVEN COUNT-RATE AND THE MEAN CURRENT DUE TO BACKGROUND PULSES, MEANS FOR MAKING THE CHARGE PER BACKGROUND PULSE FED TO THE STORAGE CAPACITOR PROPORTIONAL TO SAID VOLTAGE, MEANS FOR ESTAB-
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) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |