US3073971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse timing circuit
Assignee: RCA Corp
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Filing: 1961-05-10
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Granted: 1963-01-15
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Expires: 1981-05-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Emile J Daigle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:55
CPC Classifications
G; G11; G11B; G11B20/00; G11B20/10; G11B20/16; H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/284; H03K5/00; H03K5/01; H03K5/04; H03K5/12; H03K5/13
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
158 words
A TIMING CIRCUIT COMPRISING A SIGNAL INPUT TERMINAL, A DIFFERENTIAL AMPLIFIER HAVING A FIRST INPUT, A SECOND INPUT AND AN OUTPUT, VOLTAGE DIVIDER MEANS COUPLED BETWEEN SAID SIGNAL INPUT TERMINAL AND SAID FIRST INPUT OF SAID DIFFERENTIAL AMPLIFIER TO APPLY A PROPORTION OF AN INPUT SIGNAL AS A REFERENCE SIGNAL TO SAID FIRST INPUT OF THE DIFFERENTIAL AMPLIFIER, A RESISTOR-CAPACITOR INTEGRATOR COUPLED BETWEEN SAID SIGNAL INPUT TERMINAL AND SAID SECOND INPUT OF THE DIFFERENTIAL AMPLIFIER, SAID DIFFERENTIAL AMPLIFIER PROVIDING AN OUTPUT WHEN THE INTEGRATED SIGNAL EXCEEDS THE REFERENCE SIGNAL, A FIRST SWITCHING AMPLIFIER DEVICE AND A DIFFERENTIATOR COUPLED FROM THE OUTPUT OF SAID DIFFERENTIAL AMPLIFIER TO SAID SECOND INPUT OF THE DIFFERENTIAL AMPLIFIER TO PROVIDE POSITIVE FEEDBACK FOR THE PURPOSE OF SHORTENING THE RISE TIME OF THE OUTPUT, AND A SECOND SWITCHING AMPLIFIER DEVICE COUPLED BETWEEN SAID INTEGRATOR CIRCUIT AND SAID TIMING CIRCUIT INPUT TERMINAL TO RAPIDLY DISCHARGE SAID CAPACITOR AT THE TRAILING EDGE OF AN INPUT PULSE.
References Cited (Backward Citations)
US2987632A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |