Patent US3229201A successfully refreshed from Google Patents.
US3229201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Increased resolution time interval measuring system
Assignee: Motorola Solutions Inc
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Filing: 1961-08-21
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Granted: 1966-01-11
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Expires: 1981-08-21
Abstract
No abstract record available.
Inventors
- 👤 Robert G Curtis
- 👤 Sheldon W Gates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:32
CPC Classifications
G; G04; G04F; G04F10/00; G04F10/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
A SYSTEM FOR MEASURING THE TIME INTERVAL BETWEEN A FIRST PULSE AND A SECOND PULSE INCLUDING IN COMBINATION, CAPACITOR MEANS HAVING A FIRST TERMINAL COUPLED TO A REFERENCE POTENTIAL AND A SECOND TERMINAL, RESISTANCE MEANS CONNECTED BETWEEN SAID SECOND TERMINAL AND SAID REFERENCE POTENTIAL, POTENTIAL SUPPLY MEANS FOR PROVIDING A FIXED DIRECT CURRENT POTENTIAL WITH RESPECT TO SAID REFERENCE POTENTIAL, FIRST AND SECOND DIODES EACH HAVING A FIRST ELECTRODE COUPLED TO SAID SECOND TERMINAL AND A SECOND ELECTRODE, FIRST CIRCUIT MEANS COUPLING SAID SECOND ELECTRODE OF SAID FIRST DIODE TO SAID POTENTIAL SUPPLY MEANS TO CHARGE SAID CAPACITOR MEANS THROUGH SAID FIRST DIODE TO A PREDETERMINED LEVEL, SECOND CIRCUIT MEANS COUPLING SAID SECOND ELECTRODE OF SAID SECOND DIODE TO SAID POTENTIAL SUPPLY MEANS, AND CONTROL MEANS ADAPTED TO RECEIVE THE FIRST AND SECOND PULSES AND INCLUDING CLAMPING MEANS AND MEANS PROVIDING A GIVEN POTENTIAL, SAID CLAMPING MEANS ELECTIVELY APPLYING SAID GIVEN POTENTIAL TO SAID SECOND ELECTRODE OF SAID SECOND DIODE TO CONTROL THE CONDUCTIVITY THEREOF, SAID CONTROL MEANS BEING RESPONSIVE TO THE FIRST
Claim 2
Independent Claim
173 words
A SYSTEM FOR MEASURING THE TIME INTERVAL BETWEEN A FIRST PULSE AND A SECOND PULSE INCLUDING IN COMBINATION, CAPACITOR MEANS HAVING A FIRST TERMINAL COUPLED TO A REFERENCE POTENTIAL AND A SECOND TERMINAL, RESISTANCE MEANS CONNECTED BETWEEN SAID SECOND TERMINAL AND SAID REFERENCE POTENTIAL, POTENTIAL SUPPLY MEANS FOR PROVIDING A FIXED DIRECT CURRENT POTENTIAL WITH RESPECT TO SAID REFERENCE POTENTIAL, FIRST AND SECOND DIODES EACH HAVING A FIRST ELECTRODE COUPLED TO SAID SECOND TERMINAL AND A SECOND ELECTRODE, FIRST CIRCUIT MEANS COUPLING SAID SECOND ELECTRODE OF SAID FIRST DIODE TO SAID POTENTIAL SUPPLY MEANS TO CHARGE SAID CAPACITOR MEANS THROUGH SAID FIRST DIODE TO A PREDETERMINED LEVEL, SECOND CIRCUIT MEANS COUPLING SAID SECOND ELECTRODE OF SAID SECOND DIODE TO SAID POTENTIAL SUPPLY MEANS, AND CONTROL MEANS ADAPTED TO RECEIVE THE FIRST AND SECOND PULSES AND INCLUDING CLAMPING MEANS AND MEANS PROVIDING A GIVEN POTENTIAL, SAID CLAMPING MEANS ELECTIVELY APPLYING SAID GIVEN POTENTIAL TO SAID SECOND ELECTRODE OF SAID SECOND DIODE TO CONTROL THE CONDUCTIVITY THEREOF, SAID CONTROL MEANS BEING RESPONSIVE TO THE FIRST
References Cited (Backward Citations)
US3013208A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |