Patent US3407322A successfully refreshed from Google Patents.
US3407322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Infrared camera tube with cooling means for internal elements
Assignee: General Electric Co
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Filing: 1962-06-25
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Granted: 1968-10-22
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Expires: 1982-06-25
Abstract
No abstract record available.
Inventors
- 👤 George A Saum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:39
CPC Classifications
H; H01; H01J; H01J29/00; H01J31/00; H01J31/08; H01J31/49
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
IN AN INFRARED SENSITIVE DEVICE COMPRISING A TARGET ARRANGED TO INTERCEPT INFRARED RADIATION, ELECTRON BEAM GENERATING MEANS SPACED FROM THE TARGET AND INCLUDING A THERMIONIC ELECTRON EMITTER, MEANS FOR DIRECTING ELECTRONS FROM SAID EMITTER INTO INCIDENCE WITH SAID TARGET FIRST COOLING MEANS OPERATIVELY CONNECTED TO SAID TARGET FOR WITHDRAWING HEAT FROM SAID TARGET TO MAINTAIN SAID TARGET IN COOLED CONDITION FOR ENHANCED SENSITIVITY TO INFRARED RADIATION INTERCEPTED THEREBY, SECOND AND SEPARATE COOLING MEANS IN THE FORM OF AN ELECTRICALLY INSULATIVE HEAT-CONDUCTING MEMBER HEAT CONDUCTIVELY CONNECTED TO AND EXTENDING BETWEEN SAID ELECTRON BEAM GENERATING MEANS AND SAID HEAT-WITHDRAWING MEANS, SAID SEPARATE COOLING MEANS MINIMIZING HEAT TRANSFER THEREBETWEEN IN SAID DEVICE, AND BEAM CONTROL ELECTRODE MEANS ADJACENT AND IN HEAT TRANSFER RELATIONSHIP WITH SAID HEAT CONDUCTIVE MEMBER AND EXTENDING BETWEEN SAID ELECTRON BEAM GENERATING MEANS AND SAID TARGET.
Claim 2
Dependent Claim
136 words
IN AN INFRARED SENSITIVE DEVICE COMPRISING A TARGET ARRANGED TO INTERCEPT INFRARED RADIATION, ELECTRON BEAM GENERATING MEANS SPACED FROM THE TARGET AND INCLUDING A THERMIONIC ELECTRON EMITTER, MEANS FOR DIRECTING ELECTRONS FROM SAID EMITTER INTO INCIDENCE WITH SAID TARGET FIRST COOLING MEANS OPERATIVELY CONNECTED TO SAID TARGET FOR WITHDRAWING HEAT FROM SAID TARGET TO MAINTAIN SAID TARGET IN COOLED CONDITION FOR ENHANCED SENSITIVITY TO INFRARED RADIATION INTERCEPTED THEREBY, SECOND AND SEPARATE COOLING MEANS IN THE FORM OF AN ELECTRICALLY INSULATIVE HEAT-CONDUCTING MEMBER HEAT CONDUCTIVELY CONNECTED TO AND EXTENDING BETWEEN SAID ELECTRON BEAM GENERATING MEANS AND SAID HEAT-WITHDRAWING MEANS, SAID SEPARATE COOLING MEANS MINIMIZING HEAT TRANSFER THEREBETWEEN IN SAID DEVICE, AND BEAM CONTROL ELECTRODE MEANS ADJACENT AND IN HEAT TRANSFER RELATIONSHIP WITH SAID HEAT CONDUCTIVE MEMBER AND EXTENDING BETWEEN SAID ELECTRON BEAM GENERATING MEANS AND SAID TARGET.
References Cited (Backward Citations)
US3082340A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |