US3194973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power controller
Assignee: Texas Instruments Inc
•
Filing: 1960-08-22
•
Granted: 1965-07-13
•
Expires: 1980-08-22
Abstract
No abstract record available.
Inventors
- 👤 Thomas G Belt
- 👤 Jearld L Hutson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:34
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/02; H02M7/04; H02M7/12; H02M7/145; H02M7/155; H02P; H02P7/00; H02P7/06; H02P7/18; H02P7/24; H02P7/28; H02P7/285; H02P7/292; H02P7/295
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A CIRCUIT FOR EFFECTING FULL WAVE CONTROL OF THE POWER SUPPLIED TO A LOAD COMPRISING A THYRATRON TYPE SWITCH IN THE LOAD CIRCUIT, RESISTIVE MEANS CONNECTED TO THE INPUT OF SAID LOAD CIRCUIT, REACTANCE MEANS CAPABLE OF STORING ENERGY, MEANS TO VARY THE CHARGING AND DISCHARGING RATE OF SAID REACTANCE MEANS, MEANS CONNECTING SAID REACTANCE MEANS TO THE CONTROL ELECTRODE OF SAID SWITCH, AND SWITCHING MEANS RESPONSIVE TO CONDITIONS CAUSING SAID THYRATRON TYPE SWITCH TO CONDUCT FOR SUBSTANTIALLY ONE-HALF CYCLE, TO PROVIDE A LOW IMPEDANCE PATH AROUND SAID THYRATRON TYPE SWITCH DURING THE OPPOSITE ONE-HALF CYCLE AND TO REDUCE THE CONDUCTION TIME OF SAID THYRATRON TYPE SWITCH DURING SAID ONE-HALF CYCLE.
Claim 2
Dependent Claim
111 words
A CIRCUIT FOR EFFECTING FULL WAVE CONTROL OF THE POWER SUPPLIED TO A LOAD COMPRISING A THYRATRON TYPE SWITCH IN THE LOAD CIRCUIT, RESISTIVE MEANS CONNECTED TO THE INPUT OF SAID LOAD CIRCUIT, REACTANCE MEANS CAPABLE OF STORING ENERGY, MEANS TO VARY THE CHARGING AND DISCHARGING RATE OF SAID REACTANCE MEANS, MEANS CONNECTING SAID REACTANCE MEANS TO THE CONTROL ELECTRODE OF SAID SWITCH, AND SWITCHING MEANS RESPONSIVE TO CONDITIONS CAUSING SAID THYRATRON TYPE SWITCH TO CONDUCT FOR SUBSTANTIALLY ONE-HALF CYCLE, TO PROVIDE A LOW IMPEDANCE PATH AROUND SAID THYRATRON TYPE SWITCH DURING THE OPPOSITE ONE-HALF CYCLE AND TO REDUCE THE CONDUCTION TIME OF SAID THYRATRON TYPE SWITCH DURING SAID ONE-HALF CYCLE.
References Cited (Backward Citations)
US3049642A
Cited
US2517242A
Cited
US2975349A
Cited
US2939064A
Cited
US2981880A
Cited
US3018383A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |