US3174053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transistor amplifier having current balancing means
Assignee: Warren Manufacturing Co Inc
•
Filing: 1959-05-21
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Granted: 1965-03-16
•
Expires: 1979-05-21
Abstract
No abstract record available.
Inventors
- 👤 John S Contino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:30
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/20; H03F3/21; H03F3/211
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
IN COMBINATION DIRECT-CURRENT SUPPLY BUSES A PLURALITY OF CONTROLLABLE SEMICONDUCTING RECTIFIER UNITS HAVING RESPECTIVE MAIN CIRCUITS CONNECTED ACROSS SAID BUSES IN PARALLEL RELATION TO ECH OTHER AND HAVING RESPECTIVE CONTROLS CIRCUITS, SIGNAL INPUT MEANS CONNECTED WITH SAID CONTROL CIRCUITS OF ALL SAID PARALLEL CONNECTED SEMICONDUCTING RECTIFIER UNITS FOR SIMULTANEOUSLY CONTROLLING THEM IN THE SAME SENSE, AN OUTPUT TRANS FORMER HAVING A SECONDARY CIRCUIT COMMON TO ALL SAID MAIN CIRCUITS AND HAVING A NUMBER OF MUTUALLY INSULATED AND INDUCTIVELY INTERLINKED PRIMARIES, AND CIRCUIT MEANS CONNECTING EACH OF SAID PRIMARIES TO ONE OF SAID RESPECTIVE MAIN CIRCUITS FOR ENERGIZATION OF SAID PRIMARIES BY SAID BUSES UNDER CONTROL BY SAID UNITS, SAID PRIMARIES BEING POLED TO PRODUCE SIMULTANEOUS FLUX CHANGES IN THE SAME SENSE, WHEREBY SAID MAIN CIRCUIT ARE CONSTRAINED TO SHARE THE LOAD OF SAID OUTPUT TRANSFORMER.
Claim 2
Dependent Claim
135 words
IN COMBINATION DIRECT-CURRENT SUPPLY BUSES A PLURALITY OF CONTROLLABLE SEMICONDUCTING RECTIFIER UNITS HAVING RESPECTIVE MAIN CIRCUITS CONNECTED ACROSS SAID BUSES IN PARALLEL RELATION TO ECH OTHER AND HAVING RESPECTIVE CONTROLS CIRCUITS, SIGNAL INPUT MEANS CONNECTED WITH SAID CONTROL CIRCUITS OF ALL SAID PARALLEL CONNECTED SEMICONDUCTING RECTIFIER UNITS FOR SIMULTANEOUSLY CONTROLLING THEM IN THE SAME SENSE, AN OUTPUT TRANS FORMER HAVING A SECONDARY CIRCUIT COMMON TO ALL SAID MAIN CIRCUITS AND HAVING A NUMBER OF MUTUALLY INSULATED AND INDUCTIVELY INTERLINKED PRIMARIES, AND CIRCUIT MEANS CONNECTING EACH OF SAID PRIMARIES TO ONE OF SAID RESPECTIVE MAIN CIRCUITS FOR ENERGIZATION OF SAID PRIMARIES BY SAID BUSES UNDER CONTROL BY SAID UNITS, SAID PRIMARIES BEING POLED TO PRODUCE SIMULTANEOUS FLUX CHANGES IN THE SAME SENSE, WHEREBY SAID MAIN CIRCUIT ARE CONSTRAINED TO SHARE THE LOAD OF SAID OUTPUT TRANSFORMER.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |