US3324329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Infrared image converter and display tube
Assignee: Raytheon Co
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Filing: 1965-07-22
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Granted: 1967-06-06
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Expires: 1985-07-22
Abstract
No abstract record available.
Inventors
- 👤 Nobuo J Koda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:05
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; H01J29/395; H01J31/00; H01J31/08; H01J31/50; H01J31/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
AN INFRARED SENSITIVE TUBE FOR CONVERTING INFRARED RADIATIONS INTO A VISUAL DISPLAY COMPRISING: (A) AN EVACUATED ENVELOPE HAVING AN ELECTRICALLY CONDUCTIVE INFRARED TRANSPARENT WINDOW DISPOSED IN A FIRST PORTION OF SAID ENVELOPE; (B) AN ELECTRON GUN DISPOSED IN A SECOND PORTION OF SAID ENVELOPE FOR GENERATING A FLOOD BEAM OF ELECTRONS; (C) A TARGET ELECTRODE DISPOSED IN SAID FIRST PORTION OF SAID ENVELOPE AND SPACED FROM SAID WINDOW FOR MODULATING SAID FLOOD ELECTRONS IN ACCORDANCE WITH INFRARED RADIATIONS IMPINGING ON SAID TARGET ELECTRODE, SAID TARGET ELECTRODE COMPRISING: (1) AN ELECTRICALLY CONDUCTIVE MESH SUPPORT MEMBER; (2) A LAYER OF THERMALLY INSULATING MATERIAL DISPOSED ON THE SIDE OF THE MESHES OF SAID MESH SUPPORT MEMBER FACING SAID WINDOW; (3) A LAYER OF INFRARED ABSORBER MATERIAL DISPOSED ON SAID LAYER OF THERMALLY INSULATING MATERIAL; (4) AND A LAYER OF TEMPERATURE-SENSITIVE DIELECTRIC MATERIAL DISPOSED ON SAID LAYER OF INFRARED ABSORBER MATERIAL; (D) AND A VIEWING SCREEN DISPOSED IN SAID FIRST PORTION OF SAID ENVELOPE AND ADAPTED TO LUMINESCE IN RESPONSE TO THE IMPINGEMENT THEREON BY FLOOD ELECTRONS IN ACCORDANCE WITH THE MODULATION THEREOF BY SAID TARGET ELECTRODE.
Claim 2
Dependent Claim
183 words
AN INFRARED SENSITIVE TUBE FOR CONVERTING INFRARED RADIATIONS INTO A VISUAL DISPLAY COMPRISING: (A) AN EVACUATED ENVELOPE HAVING AN ELECTRICALLY CONDUCTIVE INFRARED TRANSPARENT WINDOW DISPOSED IN A FIRST PORTION OF SAID ENVELOPE; (B) AN ELECTRON GUN DISPOSED IN A SECOND PORTION OF SAID ENVELOPE FOR GENERATING A FLOOD BEAM OF ELECTRONS; (C) A TARGET ELECTRODE DISPOSED IN SAID FIRST PORTION OF SAID ENVELOPE AND SPACED FROM SAID WINDOW FOR MODULATING SAID FLOOD ELECTRONS IN ACCORDANCE WITH INFRARED RADIATIONS IMPINGING ON SAID TARGET ELECTRODE, SAID TARGET ELECTRODE COMPRISING: (1) AN ELECTRICALLY CONDUCTIVE MESH SUPPORT MEMBER; (2) A LAYER OF THERMALLY INSULATING MATERIAL DISPOSED ON THE SIDE OF THE MESHES OF SAID MESH SUPPORT MEMBER FACING SAID WINDOW; (3) A LAYER OF INFRARED ABSORBER MATERIAL DISPOSED ON SAID LAYER OF THERMALLY INSULATING MATERIAL; (4) AND A LAYER OF TEMPERATURE-SENSITIVE DIELECTRIC MATERIAL DISPOSED ON SAID LAYER OF INFRARED ABSORBER MATERIAL; (D) AND A VIEWING SCREEN DISPOSED IN SAID FIRST PORTION OF SAID ENVELOPE AND ADAPTED TO LUMINESCE IN RESPONSE TO THE IMPINGEMENT THEREON BY FLOOD ELECTRONS IN ACCORDANCE WITH THE MODULATION THEREOF BY SAID TARGET ELECTRODE.
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) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |