US3273048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermionic diode converter system
Assignee: North American Aviation Corp
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Filing: 1962-09-14
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Granted: 1966-09-13
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Expires: 1982-09-14
Abstract
No abstract record available.
Inventors
- 👤 Roduey G Hoff
- 👤 Jr Eugene V Clark
- 👤 Charles C Weeks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:39
CPC Classifications
H; H01; H01J; H01J45/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
APPARATUS FOR DIRECTLY CONVERTING THERNAL ENERGAY TO ALTERNATING CURRENT COMPRISING A PAIR OF THERMAL ENERGY CONVERTER DIODES EACH HAVING A SET OF EMITTER AND COLLECTOR ELECTRODES CONNECTED IN PUSH-PULL ARRANGEMENT ADAPTED TO GENERATE D.C. VOLTAGES OF OPPOSITE POLARITY UPON THE APPLICATION OF THERMAL ENERGY, EACH OF SAID DIODES HAVING A FIRST AND SECOND MODE OF OPERATION, LOAD MEANS OPERATIVELY CONNECTED TO SAID PUSH-PULL ARRANGEMENT, AND MEANS COOPERATING WITH SAID DIODES FOR ALTERNATELY SWITCHING THE MODE OF OPERATION OF SAID DIODES BETWEEN SAID FIRST AND SECOND MODES OF OPERATION SO THAT THE DIRECT CURRENT OUTPUT OF EACH OF SAID DIODES IS ALTERNATELY CONNECTED TO SAID LOAD.
Claim 2
Dependent Claim
105 words
APPARATUS FOR DIRECTLY CONVERTING THERNAL ENERGAY TO ALTERNATING CURRENT COMPRISING A PAIR OF THERMAL ENERGY CONVERTER DIODES EACH HAVING A SET OF EMITTER AND COLLECTOR ELECTRODES CONNECTED IN PUSH-PULL ARRANGEMENT ADAPTED TO GENERATE D.C. VOLTAGES OF OPPOSITE POLARITY UPON THE APPLICATION OF THERMAL ENERGY, EACH OF SAID DIODES HAVING A FIRST AND SECOND MODE OF OPERATION, LOAD MEANS OPERATIVELY CONNECTED TO SAID PUSH-PULL ARRANGEMENT, AND MEANS COOPERATING WITH SAID DIODES FOR ALTERNATELY SWITCHING THE MODE OF OPERATION OF SAID DIODES BETWEEN SAID FIRST AND SECOND MODES OF OPERATION SO THAT THE DIRECT CURRENT OUTPUT OF EACH OF SAID DIODES IS ALTERNATELY CONNECTED TO SAID LOAD.
References Cited (Backward Citations)
US2881384A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |