Patent US3249928A successfully refreshed from Google Patents.
Patent US3390576A successfully refreshed from Google Patents.
US3390576A
Expired / Lapsed
US
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Solar radiation measuring device
Assignee: Individual
•
Filing: 1965-09-28
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Granted: 1968-07-02
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Expires: 1985-09-28
Abstract
No abstract record available.
Inventors
- 👤 John I Yellott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:30
CPC Classifications
G; G01; G01J; G01J1/00; G01J1/42; Y; Y10; Y10S; Y10S136/00; Y10S136/291
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
A SOLAR RADIATION MEASURING DEVICE COMPRISING IN COMBINATION: PHOTOVOLTAIC SEMICONDUCTOR CELL MEANS ADAPTED TO RECEIVE SOLAR RADIATION: A SERIES CIRCUIT CONNECTED TO SAID SEMICONDUCTOR CELL MEANS HAVING A RESISTANCE OF SUFFICIENTLY LOW VALUE TO CAUSE SAID SEMICONDUCTOR CELL MEANS TO PRODUCE A SHORT CIRCUIT CURRENT PROPORTIONAL TO THE INTENSITY OF THE SOLAR RADIATION RECEIVED, SAID SERIES CIRCUIT INCLUDING METER MEANS FOR MEASURING THE INSTANSTANEOUS SHORT CIRCUIT CURRENT MEANS FOR MEASURING MEANS CONNECTED IN SERIES COMBINATION WITH SAID METER MEANS AND HAVING A ROTOR WHOSE ROTATIVE SPEED IS DIRECTLY PROPORTIONAL TO THE INSTNTANEOUS VALUE OF SAID SHORT CIRCUIT CURRENT, WITH THE TOTAL NUMBER OF REVOLUTIONS DURING ANY GIVEN PERIOD OF TIME THUS BEING PROPORTIONAL TO THE AMOUNT OF SOLAR RADIATION WHICH HAS FALLEN ON SAID SEMI CONDUCTOR CELL MEANS DURING SAID GIVEN PERIOD OF TIME; AND INDICATOR MEANS COUPLED TO SAID DC MOTOR MEANS FOR PROVIDING A READ-OUT OF SAID TOTAL NUMBER OF REVOLUTIONS.
Claim 2
Dependent Claim
153 words
A SOLAR RADIATION MEASURING DEVICE COMPRISING IN COMBINATION: PHOTOVOLTAIC SEMICONDUCTOR CELL MEANS ADAPTED TO RECEIVE SOLAR RADIATION: A SERIES CIRCUIT CONNECTED TO SAID SEMICONDUCTOR CELL MEANS HAVING A RESISTANCE OF SUFFICIENTLY LOW VALUE TO CAUSE SAID SEMICONDUCTOR CELL MEANS TO PRODUCE A SHORT CIRCUIT CURRENT PROPORTIONAL TO THE INTENSITY OF THE SOLAR RADIATION RECEIVED, SAID SERIES CIRCUIT INCLUDING METER MEANS FOR MEASURING THE INSTANSTANEOUS SHORT CIRCUIT CURRENT MEANS FOR MEASURING MEANS CONNECTED IN SERIES COMBINATION WITH SAID METER MEANS AND HAVING A ROTOR WHOSE ROTATIVE SPEED IS DIRECTLY PROPORTIONAL TO THE INSTNTANEOUS VALUE OF SAID SHORT CIRCUIT CURRENT, WITH THE TOTAL NUMBER OF REVOLUTIONS DURING ANY GIVEN PERIOD OF TIME THUS BEING PROPORTIONAL TO THE AMOUNT OF SOLAR RADIATION WHICH HAS FALLEN ON SAID SEMI CONDUCTOR CELL MEANS DURING SAID GIVEN PERIOD OF TIME; AND INDICATOR MEANS COUPLED TO SAID DC MOTOR MEANS FOR PROVIDING A READ-OUT OF SAID TOTAL NUMBER OF REVOLUTIONS.
References Cited (Backward Citations)
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US1911456A
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US2225353A
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US2768527A
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US3117447A
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US3145568A
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US3222522A
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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) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |