US3113240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fast switching bistable thyratron control circuit
Assignee: Collins Radio Co
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Filing: 1959-05-25
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Granted: 1963-12-03
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Expires: 1979-05-25
Abstract
No abstract record available.
Inventors
- 👤 William C Perkins
- 👤 Wal Elmer A Van Der
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:32
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A FAST SWITCHING BISTABLE CONTROL CIRCUIT, COMPRISING: FIRST AND SECOND THYRATRONS ONE OF WHICH IS IN A CONDUCTIVE STATE AT ALL TIMES WHEN SAID CIRCUIT IS ENERGIZED, SAID THYRATRONS INCLUDING AT LEAST A CONTROL GRID, A PLATE AND A CATHODE, THE PLATES OF SAID THYRATRONS BEING CONNECTED TOGETHER, AN INDUCTOR ONE END OF WHICH IS ADAPTED TO BE CONNECTED TO A B+ POWER SOURCE AND THE OTHER END OF WHICH IS CONNECTED TO THE PLATES OF SAID THYRATRONS, MEANS ADAPTING THE CONTROL GRIDS OF SAID THYRATRONS FOR CONNECTION TO A SOURCE OF BIAS, MEANS CAPACITIVELY CONNECTING THE CATHODES OF SAID THYRATRONS TO GROUND, FIRST AND SECOND LOADS CONNECTED BETWEEN THE CATHODES OF SAID FIRST AND SECOND THYRATRONS RESPECTIVELY AND GROUND, A PULSE SOURCE, AND MEANS CONNECTING SAID PULSE SOURCE TO THE CONTROL GRIDS OF SAID THYRATRONS WHEREBY WHEN A PULSE FROM SAID
Claim 2
Dependent Claim
142 words
A FAST SWITCHING BISTABLE CONTROL CIRCUIT, COMPRISING: FIRST AND SECOND THYRATRONS ONE OF WHICH IS IN A CONDUCTIVE STATE AT ALL TIMES WHEN SAID CIRCUIT IS ENERGIZED, SAID THYRATRONS INCLUDING AT LEAST A CONTROL GRID, A PLATE AND A CATHODE, THE PLATES OF SAID THYRATRONS BEING CONNECTED TOGETHER, AN INDUCTOR ONE END OF WHICH IS ADAPTED TO BE CONNECTED TO A B+ POWER SOURCE AND THE OTHER END OF WHICH IS CONNECTED TO THE PLATES OF SAID THYRATRONS, MEANS ADAPTING THE CONTROL GRIDS OF SAID THYRATRONS FOR CONNECTION TO A SOURCE OF BIAS, MEANS CAPACITIVELY CONNECTING THE CATHODES OF SAID THYRATRONS TO GROUND, FIRST AND SECOND LOADS CONNECTED BETWEEN THE CATHODES OF SAID FIRST AND SECOND THYRATRONS RESPECTIVELY AND GROUND, A PULSE SOURCE, AND MEANS CONNECTING SAID PULSE SOURCE TO THE CONTROL GRIDS OF SAID THYRATRONS WHEREBY WHEN A PULSE FROM SAID
References Cited (Backward Citations)
US2650340A
Cited
US2932796A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |