US3088065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-regulated static frequency converter
Assignee: General Electric Co
•
Filing: 1958-09-12
•
Granted: 1963-04-30
•
Expires: 1978-09-12
Abstract
No abstract record available.
Inventors
- 👤 Erich W Manteuffel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:44
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/53; H02M7/537; H02M7/5383; H02M7/53846; H02M7/53862; H02M5/00; H02M5/40; H02M5/42; H02M5/44; H02M5/453; H02M5/458
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A FREQUENCY REGULATING NETWORK COMPRISING A SWITCHING TRANSISTOR CONVERTER MEANS FOR CHANGING A D.-C. VOLTAGE TO AN A.-C. VOLTAGE OF PREDETERMINED FREQUENCY AND WAVE SHAPE, AN A.-C. VOLTAGE SOURCE, MEANS FOR SUPPLYING A REGULATED D.-C. VOLTAGE TO THE INPUT OF SAID CONVERTER FROM THE A.-C. SOURCE, SAID SUPPLYING MEANS COMPRISING A FERRO-RESONANT CIRCUIT MEANS AND RECTIFIER MEANS, AND FEEDBACK CIRCUIT MEANS RESPONSIVE TO THE A.-C. OUTPUT VOLTAGE OF SAID CONVERTER MEANS AND CONNECTED TO SAID FERRO-RESONANT CIRCUIT MEANS FOR REGULATING SAID D.-C. VOLTAGE, WHEREBY THE FREQUENCY AND WAVE SHAPE OF THE A.-C. OUTPUT VOLTAGE OF SAID CONVERTER MEANS ARE MAINTAINED SUBSTANTIALLY CONSTANT.
Claim 2
Dependent Claim
102 words
A FREQUENCY REGULATING NETWORK COMPRISING A SWITCHING TRANSISTOR CONVERTER MEANS FOR CHANGING A D.-C. VOLTAGE TO AN A.-C. VOLTAGE OF PREDETERMINED FREQUENCY AND WAVE SHAPE, AN A.-C. VOLTAGE SOURCE, MEANS FOR SUPPLYING A REGULATED D.-C. VOLTAGE TO THE INPUT OF SAID CONVERTER FROM THE A.-C. SOURCE, SAID SUPPLYING MEANS COMPRISING A FERRO-RESONANT CIRCUIT MEANS AND RECTIFIER MEANS, AND FEEDBACK CIRCUIT MEANS RESPONSIVE TO THE A.-C. OUTPUT VOLTAGE OF SAID CONVERTER MEANS AND CONNECTED TO SAID FERRO-RESONANT CIRCUIT MEANS FOR REGULATING SAID D.-C. VOLTAGE, WHEREBY THE FREQUENCY AND WAVE SHAPE OF THE A.-C. OUTPUT VOLTAGE OF SAID CONVERTER MEANS ARE MAINTAINED SUBSTANTIALLY CONSTANT.
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) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |