Patent US1976056A successfully refreshed from Google Patents.
Patent US3349273A successfully refreshed from Google Patents.
US3349273A
Expired / Lapsed
US
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Photoelectric transducer head
Assignee: Discovision Associates
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Filing: 1965-11-12
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Granted: 1967-10-24
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Expires: 1985-11-12
Abstract
No abstract record available.
Inventors
- 👤 Gregg David Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:38
CPC Classifications
H; H01; H01J; H01J43/00; H01J43/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A PHOTO-ELECTRIC TRANSDUCER INCLUDING: PHOTO-CATHODE MEANS; AT LEAST TWO LIGHT-SIGNAL CONDUCTING MEANS MOUNTED ADJACENT SAID PHOTO-CATHODE AND MEANS FOR SIMULTANEOUSLY INTRODUCING A CROSSESPONDING NUMBER OF LIGHT SIGNALS TO DIFFERENT PARTS OF SAID PHOTO-CATHODE MEANS; AT LEAST ONE DYNODE MEANS POSITIONED TO RECEIVE ELECTRONS FROM SAID PHOTO-CATHODE MEANS RESULTING FROM THE INTRODUCTION OF SAID LIGHT SIGNALS TO SAID PHOTO-CATHODE MEANS; AND AN ELECTRODE TRAVERSING SAID DYNODE MEANS AND ADAPTED TO BE ESTABLISHED AT A NEGATIVE POTENTIAL WITH RESPECT TO THE POTENTIAL OF SAID DYNODE MEANS TO AS TO PROVIDE A BARRIER FOR THE ELECTRONS AND MAINTAIN THE ELECTRONS FROM SAID DIFFERENT PARTS OF SAID PHOTO-CATHODE MEANS IN RESPONSE TO RESPECTIVE ONES OF SAID LIGHT SIGNALS IN A SEPARETED CONDITION.
Claim 2
Dependent Claim
118 words
A PHOTO-ELECTRIC TRANSDUCER INCLUDING: PHOTO-CATHODE MEANS; AT LEAST TWO LIGHT-SIGNAL CONDUCTING MEANS MOUNTED ADJACENT SAID PHOTO-CATHODE AND MEANS FOR SIMULTANEOUSLY INTRODUCING A CROSSESPONDING NUMBER OF LIGHT SIGNALS TO DIFFERENT PARTS OF SAID PHOTO-CATHODE MEANS; AT LEAST ONE DYNODE MEANS POSITIONED TO RECEIVE ELECTRONS FROM SAID PHOTO-CATHODE MEANS RESULTING FROM THE INTRODUCTION OF SAID LIGHT SIGNALS TO SAID PHOTO-CATHODE MEANS; AND AN ELECTRODE TRAVERSING SAID DYNODE MEANS AND ADAPTED TO BE ESTABLISHED AT A NEGATIVE POTENTIAL WITH RESPECT TO THE POTENTIAL OF SAID DYNODE MEANS TO AS TO PROVIDE A BARRIER FOR THE ELECTRONS AND MAINTAIN THE ELECTRONS FROM SAID DIFFERENT PARTS OF SAID PHOTO-CATHODE MEANS IN RESPONSE TO RESPECTIVE ONES OF SAID LIGHT SIGNALS IN A SEPARETED CONDITION.
References Cited (Backward Citations)
US2232900A
Cited
US2304755A
Cited
US2755390A
Cited
GB873161A
Cited
US3112360A
Cited
US3244922A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |