US3144599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Three-phase static inverter
Assignee: RTX Corp
•
Filing: 1960-05-20
•
Granted: 1964-08-11
•
Expires: 1980-05-20
Abstract
No abstract record available.
Inventors
- 👤 Charles B Brahm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:57
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/53; H02M7/537; H02M7/539
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A POWER SUPPLY SYSTEM COMPRISING MEANS TO PRODUCE A FIRST SIGNAL AT A SELECTED FREQUENCY, A MULTIVIBRATOR SYNCHRONIZED BY SAID FIRST SIGNAL FOR PRODUCING A SECOND SIGNAL HAVING A FREQUENCY WHICH IS A SUB-MULTIPLE OF SAID FIRST SIGNAL, CONVERTING MEANS CONNECTED TO RECEIVE SAID SECOND SIGNAL AND TO PRODUCE THEREFROM A PLURALITY OF PHASE-DISPLACED VOLTAGE SIGNALS, A PLURALITY OF OUTPUT CIRCUITS, MEANS FOR APPLYING AT LEAST ONE OF SAID PLURALITY OF PHASE DISPLACED VOLTAGE SIGNALS TO EACH OF SAID OUTPUT CIRCUITS TO ACTUATE SAID OUTPUT CIRCUITS, AND MEANS FOR SIMULTANEOUSLY APPLYING SAID FIRST SIGNAL TO SAID OUTPUT CIRCUITS TO SYNCHRONIZE THE ACTUATION OF SAID OUTPUT CIRCUITS.
Claim 2
Dependent Claim
106 words
A POWER SUPPLY SYSTEM COMPRISING MEANS TO PRODUCE A FIRST SIGNAL AT A SELECTED FREQUENCY, A MULTIVIBRATOR SYNCHRONIZED BY SAID FIRST SIGNAL FOR PRODUCING A SECOND SIGNAL HAVING A FREQUENCY WHICH IS A SUB-MULTIPLE OF SAID FIRST SIGNAL, CONVERTING MEANS CONNECTED TO RECEIVE SAID SECOND SIGNAL AND TO PRODUCE THEREFROM A PLURALITY OF PHASE-DISPLACED VOLTAGE SIGNALS, A PLURALITY OF OUTPUT CIRCUITS, MEANS FOR APPLYING AT LEAST ONE OF SAID PLURALITY OF PHASE DISPLACED VOLTAGE SIGNALS TO EACH OF SAID OUTPUT CIRCUITS TO ACTUATE SAID OUTPUT CIRCUITS, AND MEANS FOR SIMULTANEOUSLY APPLYING SAID FIRST SIGNAL TO SAID OUTPUT CIRCUITS TO SYNCHRONIZE THE ACTUATION OF SAID OUTPUT CIRCUITS.
References Cited (Backward Citations)
US2899572A
Cited
US2596167A
Cited
US2623203A
Cited
US2648722A
Cited
US2898412A
Cited
US2916687A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |