US3209211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Timing circuit
Assignee: Laboratory For Electronics Inc
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Filing: 1962-08-10
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Granted: 1965-09-28
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Expires: 1982-08-10
Abstract
No abstract record available.
Inventors
- 👤 Vivier Charles L Du
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:28
CPC Classifications
G; G08; G08G; G08G1/00; G08G1/07; H; H03; H03K; H03K17/00; H03K17/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A TIMING CIRCUIT INCLUDING A RESISTANCE-CAPACITANCE TIMING CIRCUIT PROVIDING AN EXPONENTIAL VOLTAGE, MEANS COUPLED TO SAID RESISTANCE-CAPACITANCE CIRCUIT FOR IMPRESSING ON SAID EXPONENTIAL VOLTAGE A RELATIVELY SMALLER ALTERNATING CURRENT VOLTAGE TO PROVIDE A COMBINED EXPONENTIAL VOLTAGE HAVING A SMALL ALTERNATING CURRENT COMPONENT AS AN OUTPUT, A BIASED BLOCKING DIODE CIRCUIT COUPLED TO RECEIVE THE COMBINED VOLTAGE OUTPUT TO PASS SAID ALTERNATING CURRENT VOLTAGE COMPONENT UPON SAID COMBINED VOLTAGE REACHING A PREDETERMINED LEVEL, AN ALTERNATING CURRENT AMPLIFIER HAVING ITS INPUT COUPLED TO SAID BLOCKING DIODE CIRCUIT TO AMPLIFY THE ALTER-
Claim 2
Dependent Claim
89 words
A TIMING CIRCUIT INCLUDING A RESISTANCE-CAPACITANCE TIMING CIRCUIT PROVIDING AN EXPONENTIAL VOLTAGE, MEANS COUPLED TO SAID RESISTANCE-CAPACITANCE CIRCUIT FOR IMPRESSING ON SAID EXPONENTIAL VOLTAGE A RELATIVELY SMALLER ALTERNATING CURRENT VOLTAGE TO PROVIDE A COMBINED EXPONENTIAL VOLTAGE HAVING A SMALL ALTERNATING CURRENT COMPONENT AS AN OUTPUT, A BIASED BLOCKING DIODE CIRCUIT COUPLED TO RECEIVE THE COMBINED VOLTAGE OUTPUT TO PASS SAID ALTERNATING CURRENT VOLTAGE COMPONENT UPON SAID COMBINED VOLTAGE REACHING A PREDETERMINED LEVEL, AN ALTERNATING CURRENT AMPLIFIER HAVING ITS INPUT COUPLED TO SAID BLOCKING DIODE CIRCUIT TO AMPLIFY THE ALTER-
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |