US3097335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric current inverter
Assignee: Siemens Schuckertwerke AG
•
Filing: 1960-11-18
•
Granted: 1963-07-09
•
Expires: 1980-11-18
Abstract
No abstract record available.
Inventors
- 👤 Schmidt Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:36
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/505; H02M7/515; H02M7/516; H02M1/00; H02M1/06; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/72; H05; H05B; H05B41/00; H05B41/14; H05B41/26; H05B41/28; H05B41/282; H10; H10D; H10D99/00; H10P; H10P95/00; Y; Y02; Y02B; Y02B20/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
AN ELECTRIC CURRENT INVERTER COMPRISING TWO DIRECTCURRENT SUPPLY LEADS, A TRANSFORMER HAVING A SECONDARY WINDING FOR PROVIDING ALTERNATING OUTPUT VOLTAGE AND TWO PRIMARY WINDING PORTIONS CONNECTED IN SERIES SO AS TO HAVE A MIDPOINT AND TWO ENDS RESPECTIVELY, TWO FOURREGION THREE P-N JUNCTION SEMICONDUCTOR DEVICE EACH HAVING TWO TERMINAL ELECTRODES ON RESPECTIVE P-TYPE AND NTYPE TERMINAL REGIONS AND A GATE ELECTRODE ON ONE OF THE TWO INTERMEDIATE REGIONS, SAID TWO DEVICES HAVING ONE OF OF SAID TERMINAL ELECTRODES OF A GIVEN-TYPE REGION CONNECTED WITH SAID RESPECTIVE ENDS AND HAVING THE OTHER TERMINAL ELECTRODES CONNECTED WITH ONE OF SAID SUPPLY LEADS, SAID OTHER SUPPLY LEAD BEING CONNECTED WITH SAID MIDPOINT, A DRIVER NETWORK COMPRISING ALTERNATING-PULSE
Claim 2
Dependent Claim
114 words
AN ELECTRIC CURRENT INVERTER COMPRISING TWO DIRECTCURRENT SUPPLY LEADS, A TRANSFORMER HAVING A SECONDARY WINDING FOR PROVIDING ALTERNATING OUTPUT VOLTAGE AND TWO PRIMARY WINDING PORTIONS CONNECTED IN SERIES SO AS TO HAVE A MIDPOINT AND TWO ENDS RESPECTIVELY, TWO FOURREGION THREE P-N JUNCTION SEMICONDUCTOR DEVICE EACH HAVING TWO TERMINAL ELECTRODES ON RESPECTIVE P-TYPE AND NTYPE TERMINAL REGIONS AND A GATE ELECTRODE ON ONE OF THE TWO INTERMEDIATE REGIONS, SAID TWO DEVICES HAVING ONE OF OF SAID TERMINAL ELECTRODES OF A GIVEN-TYPE REGION CONNECTED WITH SAID RESPECTIVE ENDS AND HAVING THE OTHER TERMINAL ELECTRODES CONNECTED WITH ONE OF SAID SUPPLY LEADS, SAID OTHER SUPPLY LEAD BEING CONNECTED WITH SAID MIDPOINT, A DRIVER NETWORK COMPRISING ALTERNATING-PULSE
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |