US3127552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photo-cell generator system for charging storage devices
Assignee: Individual
•
Filing: 1961-11-28
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Granted: 1964-03-31
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Expires: 1981-11-28
Abstract
No abstract record available.
Inventors
- 👤 Stead Raymond Cecil Towler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:06
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/34; H02J7/35; Y; Y10; Y10S; Y10S136/00; Y10S136/291
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A PHOTO-ELECTRIC GENERATOR COMPRISING AN ASSEMBLY OF SEVERAL PHOTO-ELECTRIC CELLS SUFFICIENT TO PRODUCE A RELATIVELY HIGH OUTPUT AT RELATIVELY LOW LIGHT INTENSITY, AN ELECTRICITY STORAGE MEANS, MEANS CONNECTING SAID ASSEMBLY OF PHOTO-ELECTRIC CELLS TO SAID STORAGE MEANS FOR THE CHARGING OF THE LATTER, AND A LIGHT SENSITIVE REGULATING MEANS INCLUDING A PHOTO-CELL GENERATOR, RESPONSIVE TO SAID LIGHT INTENSITY, AND A TRANSISTOR HAVING ITS EMITTER/COLLECTOR CIRCUIT CONNECTED IN SERIES WITH SAID ASSEMBLY OF PHOTO-ELECTRIC CELLS AND ITS BASE CONNECTED TO SAID PHOTO-CELL GENERATOR WHEREBY A BIAS CURRENT IS APPLIED TO THE BASE OF THE TRANSISTOR, DEPENDENT ON THE LIGHT INTENSITY, TO REDUCE THE CONDUCTIVITY OF THE TRANSISTOR WHEN THE LIGHT INTENSITY EX-
Claim 2
Dependent Claim
111 words
A PHOTO-ELECTRIC GENERATOR COMPRISING AN ASSEMBLY OF SEVERAL PHOTO-ELECTRIC CELLS SUFFICIENT TO PRODUCE A RELATIVELY HIGH OUTPUT AT RELATIVELY LOW LIGHT INTENSITY, AN ELECTRICITY STORAGE MEANS, MEANS CONNECTING SAID ASSEMBLY OF PHOTO-ELECTRIC CELLS TO SAID STORAGE MEANS FOR THE CHARGING OF THE LATTER, AND A LIGHT SENSITIVE REGULATING MEANS INCLUDING A PHOTO-CELL GENERATOR, RESPONSIVE TO SAID LIGHT INTENSITY, AND A TRANSISTOR HAVING ITS EMITTER/COLLECTOR CIRCUIT CONNECTED IN SERIES WITH SAID ASSEMBLY OF PHOTO-ELECTRIC CELLS AND ITS BASE CONNECTED TO SAID PHOTO-CELL GENERATOR WHEREBY A BIAS CURRENT IS APPLIED TO THE BASE OF THE TRANSISTOR, DEPENDENT ON THE LIGHT INTENSITY, TO REDUCE THE CONDUCTIVITY OF THE TRANSISTOR WHEN THE LIGHT INTENSITY EX-
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) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |