Patent US2914679A successfully refreshed from Google Patents.
US2914679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wavelength selective radiation responsive systems and devices
Assignee: RCA Corp
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Filing: 1956-04-05
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Granted: 1959-11-24
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Expires: 1976-04-05
Abstract
No abstract record available.
Inventors
- 👤 Egon E Loebner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:13
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
240 words
A WAVELENGTH-SELECTIVE RADIATION RESPONSIVE DEVICE COMPRISING A FIRST SHEET OF TRANSPARENT INSULATING MATERIAL, TWO SPACED, TRANSPARENT CONDUCTIVE COATINGS ON ONE MAJOR SURFACE OF SAID SHEET, TWO ELEMENTS OF ELECTROLUMINESCENT MATERIAL, EACH OF SAID ELEMENTS OF ELECTROLUMINESCENT MATERIAL BEING IN ELECTRICAL CONTACT WITH ONLY ONE OF SAID COATINGS, AN ELECTRICAL CONDUCTOR EXTENDING OVER BOTH OF SAID ELEMENTS OF ELECTROLUMINESCENCE MATERIAL AND IN ELECTRICAL CONTACT THEREWITH, A TRANSPARENT CONDUCTIVE COATING ON THE OTHER MAJOR SURFACE OF SAID FIRST SHEET, TWO ELEMENTS OF RADIATION RESPONSIVE MATERIAL ON SAID CONDUCTIVE COATING ON SAID OTHER SURFACE OF SAID SHEET, EACH OF SAID ELEMENTS OF RADIATION RESPONSIVE MATERIAL CORRESPONDING IN SIZE AND POSITION TO SAID ELEMENTS OF ELECTROLUMINESCENT MATERIAL, AN ELECTRICAL CONDUCTOR EXTENDING OVER SAID ELEMENTS OF RADIATION RESPONSIVE MATERIAL AND IN ELECTRIAL CONTACT THEREWITH, A LAYER OF ELECTROLUMINESCENCE MATERIAL ON SAID CONDUCTOR EXTENDING OVER SAID ELEMENTS OF RADIATION RESPONSIVE MATERIAL, AND A SECOND SHEET OF GLASS HAVING A TRANSPARENT CONDUCTIVE COATING ON ONE MAJOR SURFACE THEREOF POSITIONED WITH SAID CONDUCTIVE COATING IN ELECTRICAL CONTACT WITH SAID LAYER OF ELECTROLUMINESCENT MATERIAL, EACH OF SAID ELEMENTS OF ELECTROLUMINESCENT MATERIAL BEING ADAPTED TO EMIT A DIFFERENT SPECTRAL REGION ONLY OF RADIATIONS AND EACH OF SAID ELEMENTS OF RADIATION RESPONSIVE ELEMENTS BEING ADAPTED TO RESPOND TO A DIFFERENT SPECTRAL REGION ONLY OF RADIATIONS, SAID SPECTRAL REGIONS OF SAID ELECTROLUMINESCENCE BEING MATCHED TO SAID SPECTRAL REGIONS OF RESPONSE OF CORRESPONDINGLY POSITIONED ELEMENTS OF ELECTROLUMINESCENT MATERIAL AND RADIATION RESPONSIVE MATERIAL, RESPECTIVELY.
Claim 2
Dependent Claim
240 words
A WAVELENGTH-SELECTIVE RADIATION RESPONSIVE DEVICE COMPRISING A FIRST SHEET OF TRANSPARENT INSULATING MATERIAL, TWO SPACED, TRANSPARENT CONDUCTIVE COATINGS ON ONE MAJOR SURFACE OF SAID SHEET, TWO ELEMENTS OF ELECTROLUMINESCENT MATERIAL, EACH OF SAID ELEMENTS OF ELECTROLUMINESCENT MATERIAL BEING IN ELECTRICAL CONTACT WITH ONLY ONE OF SAID COATINGS, AN ELECTRICAL CONDUCTOR EXTENDING OVER BOTH OF SAID ELEMENTS OF ELECTROLUMINESCENCE MATERIAL AND IN ELECTRICAL CONTACT THEREWITH, A TRANSPARENT CONDUCTIVE COATING ON THE OTHER MAJOR SURFACE OF SAID FIRST SHEET, TWO ELEMENTS OF RADIATION RESPONSIVE MATERIAL ON SAID CONDUCTIVE COATING ON SAID OTHER SURFACE OF SAID SHEET, EACH OF SAID ELEMENTS OF RADIATION RESPONSIVE MATERIAL CORRESPONDING IN SIZE AND POSITION TO SAID ELEMENTS OF ELECTROLUMINESCENT MATERIAL, AN ELECTRICAL CONDUCTOR EXTENDING OVER SAID ELEMENTS OF RADIATION RESPONSIVE MATERIAL AND IN ELECTRIAL CONTACT THEREWITH, A LAYER OF ELECTROLUMINESCENCE MATERIAL ON SAID CONDUCTOR EXTENDING OVER SAID ELEMENTS OF RADIATION RESPONSIVE MATERIAL, AND A SECOND SHEET OF GLASS HAVING A TRANSPARENT CONDUCTIVE COATING ON ONE MAJOR SURFACE THEREOF POSITIONED WITH SAID CONDUCTIVE COATING IN ELECTRICAL CONTACT WITH SAID LAYER OF ELECTROLUMINESCENT MATERIAL, EACH OF SAID ELEMENTS OF ELECTROLUMINESCENT MATERIAL BEING ADAPTED TO EMIT A DIFFERENT SPECTRAL REGION ONLY OF RADIATIONS AND EACH OF SAID ELEMENTS OF RADIATION RESPONSIVE ELEMENTS BEING ADAPTED TO RESPOND TO A DIFFERENT SPECTRAL REGION ONLY OF RADIATIONS, SAID SPECTRAL REGIONS OF SAID ELECTROLUMINESCENCE BEING MATCHED TO SAID SPECTRAL REGIONS OF RESPONSE OF CORRESPONDINGLY POSITIONED ELEMENTS OF ELECTROLUMINESCENT MATERIAL AND RADIATION RESPONSIVE MATERIAL, RESPECTIVELY.
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) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |