US3364440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inverter circuits
Assignee: Texas Instruments Inc
•
Filing: 1965-03-31
•
Granted: 1968-01-16
•
Expires: 1985-03-31
Abstract
No abstract record available.
Inventors
- 👤 Max P Schreiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:10
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/505; H02M7/515; H10; H10D; H10D99/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
AN INVERTER CIRCUIT COMPRISING: (A) A SEMICONDUCTOR SWITCH HAVING A FIRST GATE AND A SECOND GATE, AN ANODE AND A CATHODE; (B) A SOURCE OF DIRECT CURRENT IN SERIES WITH SAID ANODE AND CATHODE; (C) A CAPACITOR AND RESISTOR CONNECTED IN SERIAL COMBINATION, SAID COMBINATION BEING CONNECTED DIRECTLY ACROSS SAID SOURCE OF DIRECT CURRENT; (D) A TRIGGER DIODE CONNECTED BETWEEN SAID FIRST GATE AND THE POINT OF CONNECTION BETWEEN SAID CAPACITOR AND SAID RESISTOR, THEREBY TO OPERATE IN COMBINATION WITH SAID SOURCE OF DIRECT CURRENT TO CREATE A CURRENT PULSE TO RENDER SAID SWITCH CONDUCTIVE; (E) MEANS CONNECTED IN SERIES WITH THE CATHODE OF SAID SWITCH RESPONSIVE TO THE OPERATION OF SAID SWITCH FOR RENDERING SAID SWITCH NONCONDUCTIVE BY A CURRENT PULSE THROUGH SAID SECOND GATE AND SAID MEANS, AND (F) OUTPUT DETECTOR MEANS IN SERIES WITH SAID SWITCH RESPONSIVE TO THE CONDUCTIVE AND NONCONDUCTIVE STATE OF SAID SWITCH TO PRODUCE ALTERNATING CURRENT.
Claim 2
Dependent Claim
153 words
AN INVERTER CIRCUIT COMPRISING: (A) A SEMICONDUCTOR SWITCH HAVING A FIRST GATE AND A SECOND GATE, AN ANODE AND A CATHODE; (B) A SOURCE OF DIRECT CURRENT IN SERIES WITH SAID ANODE AND CATHODE; (C) A CAPACITOR AND RESISTOR CONNECTED IN SERIAL COMBINATION, SAID COMBINATION BEING CONNECTED DIRECTLY ACROSS SAID SOURCE OF DIRECT CURRENT; (D) A TRIGGER DIODE CONNECTED BETWEEN SAID FIRST GATE AND THE POINT OF CONNECTION BETWEEN SAID CAPACITOR AND SAID RESISTOR, THEREBY TO OPERATE IN COMBINATION WITH SAID SOURCE OF DIRECT CURRENT TO CREATE A CURRENT PULSE TO RENDER SAID SWITCH CONDUCTIVE; (E) MEANS CONNECTED IN SERIES WITH THE CATHODE OF SAID SWITCH RESPONSIVE TO THE OPERATION OF SAID SWITCH FOR RENDERING SAID SWITCH NONCONDUCTIVE BY A CURRENT PULSE THROUGH SAID SECOND GATE AND SAID MEANS, AND (F) OUTPUT DETECTOR MEANS IN SERIES WITH SAID SWITCH RESPONSIVE TO THE CONDUCTIVE AND NONCONDUCTIVE STATE OF SAID SWITCH TO PRODUCE ALTERNATING CURRENT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |