US3324327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Infrared camera tube having grid-type infrared sensitive target
Assignee: Raytheon Co
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Filing: 1965-04-23
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Granted: 1967-06-06
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Expires: 1985-04-23
Abstract
No abstract record available.
Inventors
- 👤 Nobuo J Koda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:51
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/49; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; H01J29/395
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A PICKUP TUBE FOR CONVERTING INFRARED RADIATIONS INTO ELECTRICAL OUTPUT SIGNALS COMPRISING: A. AN EVACUATED ENVELOPE HAVING AN ELECTRICALLY CONDUCTIVE INFRARED TRANSPARENT WINDOW PORTION; B. AN ELECTRON GUN DISPOSED IN SAID ENVELOPE AND ADAPTED TO GENERATE AN ELECTRON BEAM OF ELEMENTAL CROSS-SECTIONAL AREA; C. AND AN ELECTRON PENETRABLE TARGET ELECTRODE MEANS FOR MODULATING ELECTRONS PASSING THERETHROUGH DISPOSED IN SAID ENVELOPE BETWEEN SAID WINDOW PORTION THEREOF AND SAID ELECTRON GUN COMPRISING: (1) AN ELECTRICALLY CONDUCTIVE MESH SUPPORT MEMBER; (2) A LAYER OF THERMALLY INSULATING MATERIAL DISPOSED ON ONE SIDE OF THE MESHES OF SAID SUPPORT MEMBER; (3) A LAYER OF INFRARED RADIATION ABSORBER MATERIAL DISPOSED ON SAID LAYER OF THERMALLY INSULATING MATERIAL; (4) AND A LAYER OF TEMPERATURE SENSITIVE MATERIAL DISPOSED ON SAID LAYER OF ABSORBER MATERIAL.
Claim 2
Dependent Claim
126 words
A PICKUP TUBE FOR CONVERTING INFRARED RADIATIONS INTO ELECTRICAL OUTPUT SIGNALS COMPRISING: A. AN EVACUATED ENVELOPE HAVING AN ELECTRICALLY CONDUCTIVE INFRARED TRANSPARENT WINDOW PORTION; B. AN ELECTRON GUN DISPOSED IN SAID ENVELOPE AND ADAPTED TO GENERATE AN ELECTRON BEAM OF ELEMENTAL CROSS-SECTIONAL AREA; C. AND AN ELECTRON PENETRABLE TARGET ELECTRODE MEANS FOR MODULATING ELECTRONS PASSING THERETHROUGH DISPOSED IN SAID ENVELOPE BETWEEN SAID WINDOW PORTION THEREOF AND SAID ELECTRON GUN COMPRISING: (1) AN ELECTRICALLY CONDUCTIVE MESH SUPPORT MEMBER; (2) A LAYER OF THERMALLY INSULATING MATERIAL DISPOSED ON ONE SIDE OF THE MESHES OF SAID SUPPORT MEMBER; (3) A LAYER OF INFRARED RADIATION ABSORBER MATERIAL DISPOSED ON SAID LAYER OF THERMALLY INSULATING MATERIAL; (4) AND A LAYER OF TEMPERATURE SENSITIVE MATERIAL DISPOSED ON SAID LAYER OF ABSORBER MATERIAL.
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) | 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 |