US3073989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
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Filing: 1960-04-18
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Granted: 1963-01-15
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Expires: 1980-04-18
Abstract
No abstract record available.
Inventors
- 👤 Michael F Amsterdam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:25
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/50; H01J31/501; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; H01J29/43; H01J29/435; Y; Y10; Y10S; Y10S313/00; Y10S313/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
IN AN IMAGE CONVERTER, THE COMBINATION OF AN OPAQUE EVACUATED VESSEL HAVING AT ONE END A WINDOW AND AT THE OTHER END AN IMAGE VIEWING SCREEN, A PHOTOCATHODE ADJACENT SAID WINDOW, AN IMAGE STORAGE ELECTRODE INTERMEDIATE SAID ELECTRODE AND SCREEN, SAID STORAGE ELECTRODE INCLUDING A HIGH RESISTIVITY SIEVE-LIKE MEMBER WITH CONDUCTING FILMS ON ITS OPPOSITE SIDES AND SEPARATE PHOTOEMISSIVE CONDUCTING PLUGS IN ITS DIFFERENT MESHES, ELECTRON LENS ELECTRODES BETWEEN SAID PHOTOCATHODE AND SAID STORAGE ELECTRODE AND BETWEEN SAID STORAGE ELECTRODE AND SAID SCREEN, A LAMP ARRANGED TO ILLUMINATE SAID STORAGE ELECTRODE ON THE SIDE FACING SAID SCREEN, SAID SCREEN INCLUDING AN ELECTRON BOMBARDMENT INDUCED CONDUCTIVE LAYER BETWEEN A CONDUCTIVE LAYER AND A ELECTROLUMINESCENT LAYER, AND MEANS FOR APPLYING AN ALTERNATING ELECTRIC FIELD ACROSS SAID BOMBARDMENT INDUCED CONDUCTIVITY AND ELECTROLUMINESCENT LAYERS.
Claim 2
Dependent Claim
130 words
IN AN IMAGE CONVERTER, THE COMBINATION OF AN OPAQUE EVACUATED VESSEL HAVING AT ONE END A WINDOW AND AT THE OTHER END AN IMAGE VIEWING SCREEN, A PHOTOCATHODE ADJACENT SAID WINDOW, AN IMAGE STORAGE ELECTRODE INTERMEDIATE SAID ELECTRODE AND SCREEN, SAID STORAGE ELECTRODE INCLUDING A HIGH RESISTIVITY SIEVE-LIKE MEMBER WITH CONDUCTING FILMS ON ITS OPPOSITE SIDES AND SEPARATE PHOTOEMISSIVE CONDUCTING PLUGS IN ITS DIFFERENT MESHES, ELECTRON LENS ELECTRODES BETWEEN SAID PHOTOCATHODE AND SAID STORAGE ELECTRODE AND BETWEEN SAID STORAGE ELECTRODE AND SAID SCREEN, A LAMP ARRANGED TO ILLUMINATE SAID STORAGE ELECTRODE ON THE SIDE FACING SAID SCREEN, SAID SCREEN INCLUDING AN ELECTRON BOMBARDMENT INDUCED CONDUCTIVE LAYER BETWEEN A CONDUCTIVE LAYER AND A ELECTROLUMINESCENT LAYER, AND MEANS FOR APPLYING AN ALTERNATING ELECTRIC FIELD ACROSS SAID BOMBARDMENT INDUCED CONDUCTIVITY AND ELECTROLUMINESCENT LAYERS.
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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |