US3201654A
Expired / Lapsed
US
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Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1961-12-26
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Granted: 1965-08-17
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Expires: 1981-12-26
Abstract
No abstract record available.
Inventors
- 👤 George L Clark
- 👤 Smith J Perry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:29
CPC Classifications
G; G03; G03B; G03B39/00; G03B39/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
AN IMAGE CONVERTER TUBE SENSITIVE TO MAGNETIC FIELD VARIATIONS AND ADAPTED TO PROVIDE MEANS FOR OBSERVING HIGH SPEED PHENOMENON, AN INTERCHANGEABLE ELECTRONIC CHASSIS JUXTAPOSITIONED VERTICALLY ABOVE SAID IMAGE CONVERTER TUBE AND LOCATED THEREON FOR MAINTAINING INTERCONNECTING LEADS AS SHORT AS POSSIBLE, SAID CHASSIS CONTAINING A SUB-CHASSIS ADAPTED TO SUPPORT A PLURALITY OF ELECTRON DISCHARGE DEVICES IN A HORIZONTAL PLANE OVER SAID IMAGE CONVERTER TUBE, SAID CHASSIS HAVING OPENINGS SUBSTANTIALLY BELOW SAID ELECTRON DISCHARGE TUBES FOR ALLOWING CONVECTION COOLING CURRENTS TO PASS FROM UNDER SAID CHASSIS UP TO AND AROUND SAID ELECTRON DISCHARGE DEVICES, A MAGNETIC SHIELDING MATERIAL SURROUNDING SAID IMAGE CONVERTER TUBE, AND A COVER HAVING LOUVERS ON THE LOWERMOST PORTION AND VENTILATING OPENINGS ON THE UPPERMOST PORTION THEREON, SAID COVER AND SAID MAGNETIC SHIELDING MATERIAL BEING IN CLOSE RELATIONSHIP TO DEFINE A PASSAGEWAY FOR CIRCULATING CONVECTION CURRENTS OF AIR FROM SAID LOUVERS THROUGH SAID OPENING IN SAID CHASSIS AND OUT SAID VENTILATING OPENINGS WHEREBY SAID ELECTRON DISCHARGE DEVICES ARE COOLED WITHOUT UTILIZING MECHANICAL MEANS.
Claim 2
Dependent Claim
165 words
AN IMAGE CONVERTER TUBE SENSITIVE TO MAGNETIC FIELD VARIATIONS AND ADAPTED TO PROVIDE MEANS FOR OBSERVING HIGH SPEED PHENOMENON, AN INTERCHANGEABLE ELECTRONIC CHASSIS JUXTAPOSITIONED VERTICALLY ABOVE SAID IMAGE CONVERTER TUBE AND LOCATED THEREON FOR MAINTAINING INTERCONNECTING LEADS AS SHORT AS POSSIBLE, SAID CHASSIS CONTAINING A SUB-CHASSIS ADAPTED TO SUPPORT A PLURALITY OF ELECTRON DISCHARGE DEVICES IN A HORIZONTAL PLANE OVER SAID IMAGE CONVERTER TUBE, SAID CHASSIS HAVING OPENINGS SUBSTANTIALLY BELOW SAID ELECTRON DISCHARGE TUBES FOR ALLOWING CONVECTION COOLING CURRENTS TO PASS FROM UNDER SAID CHASSIS UP TO AND AROUND SAID ELECTRON DISCHARGE DEVICES, A MAGNETIC SHIELDING MATERIAL SURROUNDING SAID IMAGE CONVERTER TUBE, AND A COVER HAVING LOUVERS ON THE LOWERMOST PORTION AND VENTILATING OPENINGS ON THE UPPERMOST PORTION THEREON, SAID COVER AND SAID MAGNETIC SHIELDING MATERIAL BEING IN CLOSE RELATIONSHIP TO DEFINE A PASSAGEWAY FOR CIRCULATING CONVECTION CURRENTS OF AIR FROM SAID LOUVERS THROUGH SAID OPENING IN SAID CHASSIS AND OUT SAID VENTILATING OPENINGS WHEREBY SAID ELECTRON DISCHARGE DEVICES ARE COOLED WITHOUT UTILIZING MECHANICAL MEANS.
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |