Patent US3085211A successfully refreshed from Google Patents.
US3085211A
Expired / Lapsed
US
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Converter with active starter circuit
Assignee: Honeywell Inc
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Filing: 1957-05-20
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Granted: 1963-04-09
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Expires: 1977-05-20
Abstract
No abstract record available.
Inventors
- 👤 Jensen James Lee
- 👤 David E White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:51
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/53; H02M7/537; H02M7/5383; H02M7/53846; H02M7/53862; H02M7/538; H02M7/53803; H02M7/53806; H03; H03K; H03K17/00; H03K17/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
STARTING APPARATUS FOR SEMI-CONDUCTOR OSCILLATORS COMPRISING IN COMBINATION: SEMI-CONDUCTOR POWER OSCILLATOR MEANS HAVING OUTPUT TERMINALS FOR PROVIDING AN ALTERNATING TYPE CURRENT OUTPUT TO A LOAD DEVICE; MEANS CONNECTING SAID SEMI-CONDUCTOR OSCILLATOR MEANS TO A SOURCE OF DIRECT CURRENT POTENTIAL FOR ENERGIZING SAID OSCILLATOR MEANS; FURTHER SEMI-CONDUCTOR OSCILLATORY TYPE MEANS HAVING AN OUTPUT CIRCUIT CONNECTED TO THE INPUT OF SAID POWER OSCILLATOR MEANS, SAID FURTHER SEMI-CONDUCTOR MEANS BEING OPERATIVE TO PROVIDE A PERIODIC PULSATING CURRENT TO SAID SEMI-CONDUCTOR POWER OSCILLATOR MEANS TO INITIATE OSCILLATION THEREIN; AND BIAS MEANS CONNECTED TO THE INPUT OF SAID FURTHER SEMI-CONDUCTOR MEANS AND RESPONSIVE TO OSCILLATION OF SAID POWER OSCILLATOR MEANS FOR RENDERING SAID FURTHER SEMI-CONDUCTOR OSCILLATORY TYPE MEANS INOPERATIVE ONLY WHEN SAID POWER OSCILLATOR MEANS IS OSCILLATING.
Claim 2
Dependent Claim
122 words
STARTING APPARATUS FOR SEMI-CONDUCTOR OSCILLATORS COMPRISING IN COMBINATION: SEMI-CONDUCTOR POWER OSCILLATOR MEANS HAVING OUTPUT TERMINALS FOR PROVIDING AN ALTERNATING TYPE CURRENT OUTPUT TO A LOAD DEVICE; MEANS CONNECTING SAID SEMI-CONDUCTOR OSCILLATOR MEANS TO A SOURCE OF DIRECT CURRENT POTENTIAL FOR ENERGIZING SAID OSCILLATOR MEANS; FURTHER SEMI-CONDUCTOR OSCILLATORY TYPE MEANS HAVING AN OUTPUT CIRCUIT CONNECTED TO THE INPUT OF SAID POWER OSCILLATOR MEANS, SAID FURTHER SEMI-CONDUCTOR MEANS BEING OPERATIVE TO PROVIDE A PERIODIC PULSATING CURRENT TO SAID SEMI-CONDUCTOR POWER OSCILLATOR MEANS TO INITIATE OSCILLATION THEREIN; AND BIAS MEANS CONNECTED TO THE INPUT OF SAID FURTHER SEMI-CONDUCTOR MEANS AND RESPONSIVE TO OSCILLATION OF SAID POWER OSCILLATOR MEANS FOR RENDERING SAID FURTHER SEMI-CONDUCTOR OSCILLATORY TYPE MEANS INOPERATIVE ONLY WHEN SAID POWER OSCILLATOR MEANS IS OSCILLATING.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |