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US3553593A
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US
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Pulse width measuring circuit
Assignee: Westinghouse Electric Corp
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Filing: 1968-01-10
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Granted: 1971-01-05
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Expires: 1988-01-10
Abstract
Abstract A PULSE WIDTH MEASURING CIRCUIT WHICH PROVIDES A RECTANGULAR OUTPUT PULSE HAVING A WIDTH EQUAL TO THE WIDTH OF THE PULSE TO BE MEASURED AT A PRE-SELECTED LEVEL BELOW ITS PEAK AMPLITUDE.
Inventors
- 👤 Alan R Gedance
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:31
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/153; G; G04; G04F; G04F10/00
Claims Analysis
Total Claims: 0
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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) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |