US3286027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-luminescent phosphorescent dynamic display
Assignee: General Precision Inc
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Filing: 1964-01-24
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Granted: 1966-11-15
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Expires: 1984-01-24
Abstract
No abstract record available.
Inventors
- 👤 Richard A Martel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:14
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A DYNAMIC DISPLAY SYSTEM INCLUDING: A DISPLAY CELL INCLUDING ELECTRO-LUMINESCENT MATERIAL WHICH LUMINESCES WHEN SUBJECTED TO AN ELECTRIC FIELD, PHOSPHORESCENT MATERIAL HAVING AN ELECTRIC IMPEDANCE WHICH VARIES IN ACCORDANCE WITH THE INCIDENT RADIATION CONNECTED IN SERIES WITH SAID ELECTRO-LUMINESCENT MATERIAL, AND MEANS FOR INTRODUCING AN ELECTRIC FIELD ACROSS SAID ELECTRO-LUMINESCENT MATERIAL AND SAID PHOSPHORESCENT MATERIAL TO EXCITE SAID ELECTRO-LUMINESCENT MATERIAL TO LUMINESCE AT AN INTENSITY DETERMINED BY THE ELECTRIC IMPEDANCE OF SAID PHOSPHORESCENT MATERIAL; MEANS FOR CAUSING A SUCCESSION OF DYNAMIC RADIATION IMAGES TO BE INCIDENT UPON SAID POSPHORESCENT MATERIAL TO EXCTE THE SAME AND PRODUCE VARIATIONS IN THE ELECTRICAL IMPEDANCE THEREOF FROM A PARTICULAR VALUE; AND MEANS FOR RETURNING THE ELECTRICAL IMPEDANCE OF SAID PHOSPHORESCENT MATERIAL TO SAID PARTICULAR VALUE BETWEEN SUCCESSIVE ONES OF SAID RADIATION IMAGES.
Claim 2
Dependent Claim
128 words
A DYNAMIC DISPLAY SYSTEM INCLUDING: A DISPLAY CELL INCLUDING ELECTRO-LUMINESCENT MATERIAL WHICH LUMINESCES WHEN SUBJECTED TO AN ELECTRIC FIELD, PHOSPHORESCENT MATERIAL HAVING AN ELECTRIC IMPEDANCE WHICH VARIES IN ACCORDANCE WITH THE INCIDENT RADIATION CONNECTED IN SERIES WITH SAID ELECTRO-LUMINESCENT MATERIAL, AND MEANS FOR INTRODUCING AN ELECTRIC FIELD ACROSS SAID ELECTRO-LUMINESCENT MATERIAL AND SAID PHOSPHORESCENT MATERIAL TO EXCITE SAID ELECTRO-LUMINESCENT MATERIAL TO LUMINESCE AT AN INTENSITY DETERMINED BY THE ELECTRIC IMPEDANCE OF SAID PHOSPHORESCENT MATERIAL; MEANS FOR CAUSING A SUCCESSION OF DYNAMIC RADIATION IMAGES TO BE INCIDENT UPON SAID POSPHORESCENT MATERIAL TO EXCTE THE SAME AND PRODUCE VARIATIONS IN THE ELECTRICAL IMPEDANCE THEREOF FROM A PARTICULAR VALUE; AND MEANS FOR RETURNING THE ELECTRICAL IMPEDANCE OF SAID PHOSPHORESCENT MATERIAL TO SAID PARTICULAR VALUE BETWEEN SUCCESSIVE ONES OF SAID RADIATION IMAGES.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |