US3458700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Energy-sensitive composite elements
Assignee: Panasonic Holdings Corp
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Filing: 1967-11-06
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Granted: 1969-07-29
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Expires: 1987-11-06
Abstract
No abstract record available.
Inventors
- 👤 Tadao Kohashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:09
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/12; H05B33/14; H05B33/145; F; F21; F21K; F21K2/00; G; G01; G01D; G01D5/00; G01D5/12; G01D5/14; G01D5/18; G01T; G01T1/00; G01T1/16; G01T1/20; G01T1/2006; G21; G21K; G21K4/00; H03; H03H; H03H9/00; H03H9/02; H03H9/05; H03H9/10; H03H9/12; H05B33/20; H05B33/22; H10; H10F; H10F55/00; H10F55/10; G01D5/183; G01D5/185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A RADIATION ENERGY SENSITIVE ELEMENT COMPRISING A PLATE ELECTRODE REFLECTIVE TO LIGHT ENERGY AND TRANSPARENT TO RADIATIONS OF HIGH QUANTUM ENERGY, A LAYER COMPRISING COMMINGLED PARTICLES OF LUMINESCENT AND PHOTO-CONDUCTIVE MATERIALS, SAID LAYER BEING RESPONSIVE TO SAID RADIATIONS OF HIGH QUANTUM ENERGY AND VARYING IN ITS ELECTRICAL IMPEDANCE IN RESPONSE TO SAID HIGH QUANTUM ENERGY RADIATIONS, A LIGHT REFLECTIVE LAYER OF MATERIAL OF HIGH DIELECTRIC CONSTANT, AN OPAQUE LAYER, A LIGHT REFLECTING INSULATING LAYER, AN ELECTROLUMINESCENT LAYER, AND A TRANSPARENT ELECTRODE, DISPOSED IN THE ABOVE ORDER, AND AN A.C. VOLTAGE SOURCE, WHEREBY SAID HIGH QUANTUM ENERGY RADIATIONS ARE CONVERTED INTO VISIBLE LIGHT SIGNAL ENERGY.
Claim 2
Dependent Claim
104 words
A RADIATION ENERGY SENSITIVE ELEMENT COMPRISING A PLATE ELECTRODE REFLECTIVE TO LIGHT ENERGY AND TRANSPARENT TO RADIATIONS OF HIGH QUANTUM ENERGY, A LAYER COMPRISING COMMINGLED PARTICLES OF LUMINESCENT AND PHOTO-CONDUCTIVE MATERIALS, SAID LAYER BEING RESPONSIVE TO SAID RADIATIONS OF HIGH QUANTUM ENERGY AND VARYING IN ITS ELECTRICAL IMPEDANCE IN RESPONSE TO SAID HIGH QUANTUM ENERGY RADIATIONS, A LIGHT REFLECTIVE LAYER OF MATERIAL OF HIGH DIELECTRIC CONSTANT, AN OPAQUE LAYER, A LIGHT REFLECTING INSULATING LAYER, AN ELECTROLUMINESCENT LAYER, AND A TRANSPARENT ELECTRODE, DISPOSED IN THE ABOVE ORDER, AND AN A.C. VOLTAGE SOURCE, WHEREBY SAID HIGH QUANTUM ENERGY RADIATIONS ARE CONVERTED INTO VISIBLE LIGHT SIGNAL ENERGY.
References Cited (Backward Citations)
US2880346A
Cited
US2885562A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |