Patent US3196272A successfully refreshed from Google Patents.
US3196272A
Expired / Lapsed
US
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Time constant control system for x-ray analyzers and gages
Assignee: General Electric Co
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Filing: 1962-09-05
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Granted: 1965-07-20
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Expires: 1982-09-05
Abstract
No abstract record available.
Inventors
- 👤 Robert J Culbertson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:33
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/28; G; G01; G01N; G01N23/00; G01N23/20; G01N23/207; G01N23/2076; G01N23/22; G01N23/223; G01R; G01R23/00; G01R23/02; G01R23/06; G01R23/09; H03F; H03F2200/00; H03F2200/261
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
IN AN INSTRUMENT UTILIZING RADIATION TO MEASURE A CHARACTERISTIC OF A TEST SAMPLE, A PRIMARY RADIATION SOURCE, MEANS FOR DETECTING RADIATION QUANTA EMANATING AT A STATISTICALLY FLUCTUATING RATE FROM THE SAMPLE WHOSE EMANATIONS ARE EFFECTED BY THE PRIMARY RADIATION FROM THE SOURCE, SAID DETECTING MEANS INCLUDING MEANS FOR CONVERTING SAID QUANTA TO ELECTRIC INPUT SIGNALS, AMPLIFIER MEANS IN CIRCUIT WITH A COOPERATING INTEGRATING CIRCUIT, SAID AMPLIFIER MEANS RECEIVING SAID INPUT SIGNALS AND RAISING THE SAME TO A HIGHER LEVERL OUTPUT SIGNAL, SAID INTEGRATING CIRCUIT INCLUDING COMPONENTS HAVING CERTAIN RESISTIVE AND CAPACITIVE VALUES WHICH HAVE A TIME CONSTANT THAT RESULTS IN SAID OUTPUT SIGNAL EXHIBITING COMPARATIVELY WIDE FLUCTUATION DURING A FIRST INTEGRATING INTERVAL, MEANS FOR PRE-CHARGING ONE OF SAID CAPACITIVE COMPONENTS FROM THE AMPLIFIER OUTPUT TO A LEVEL SUBSTANTIALLY THAT OF THE AMPLIFIER OUTPUT SIGNAL
Claim 2
Dependent Claim
134 words
IN AN INSTRUMENT UTILIZING RADIATION TO MEASURE A CHARACTERISTIC OF A TEST SAMPLE, A PRIMARY RADIATION SOURCE, MEANS FOR DETECTING RADIATION QUANTA EMANATING AT A STATISTICALLY FLUCTUATING RATE FROM THE SAMPLE WHOSE EMANATIONS ARE EFFECTED BY THE PRIMARY RADIATION FROM THE SOURCE, SAID DETECTING MEANS INCLUDING MEANS FOR CONVERTING SAID QUANTA TO ELECTRIC INPUT SIGNALS, AMPLIFIER MEANS IN CIRCUIT WITH A COOPERATING INTEGRATING CIRCUIT, SAID AMPLIFIER MEANS RECEIVING SAID INPUT SIGNALS AND RAISING THE SAME TO A HIGHER LEVERL OUTPUT SIGNAL, SAID INTEGRATING CIRCUIT INCLUDING COMPONENTS HAVING CERTAIN RESISTIVE AND CAPACITIVE VALUES WHICH HAVE A TIME CONSTANT THAT RESULTS IN SAID OUTPUT SIGNAL EXHIBITING COMPARATIVELY WIDE FLUCTUATION DURING A FIRST INTEGRATING INTERVAL, MEANS FOR PRE-CHARGING ONE OF SAID CAPACITIVE COMPONENTS FROM THE AMPLIFIER OUTPUT TO A LEVEL SUBSTANTIALLY THAT OF THE AMPLIFIER OUTPUT SIGNAL
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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |