US3085211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Converter with active starter circuit
Assignee: Honeywell Inc
•
Filing: 1957-05-20
•
Granted: 1963-04-09
•
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 06:03
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.
References Cited (Backward Citations)
US2476997A
Cited
US2460637A
Cited
US2643340A
Cited
US2676251A
Cited
US2745012A
Cited
US2768294A
Cited
US2783384A
Cited
US2774878A
Cited
US2783380A
Cited
US2854582A
Cited
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 |