US3201690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wave transient time interval measuring circuit with wave comparison function
Assignee: AT&T Inc
•
Filing: 1960-03-09
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Granted: 1965-08-17
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Expires: 1980-03-09
Abstract
No abstract record available.
Inventors
- 👤 Milton L Embree
- 👤 Liber J Montone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:06
CPC Classifications
G; G04; G04F; G04F10/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
88 words
A TIME INTERVAL MEASURING CIRCUIT COMPRISING A CIRCUIT UNDER TEST WHICH PRODUCES AN OUTPUT VOLTAGE THAT CHANGES BETWEEN FIRST AND SECOND LEVELS IN RESPONSE TO AN INPUT VOLTAGE IMPULSE, A SOURCE OF VOLTAGE IMPULSES, MEANS PRODUCING A TIMING WAVE HAVINGA PREDETERMIINED AMPLITUDE VARIATION, MEANS APPLYING EACH OF SAID IMPULSES TO SAID TEST CIRCUIT AND TO SAID PRODUCING MEANS, A DIODE CONNECTED BETWEEN THE OUTPUT OF SAID CIRCUIT UNDER TEST AND THE OUTPUT OF SAID PRODUCING MEANS FOR LIMITING EXCURSIONS OF ONE POLARITY OF THE TIMING WAVE, AND MEANS
References Cited (Backward Citations)
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Cited
US2623106A
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US2851596A
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US2965843A
Cited
US3074017A
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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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |