US3383613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Output transformerless push-pull full bridge power amplifier having floating power supply
Assignee: International Jensen Inc
•
Filing: 1966-04-11
•
Granted: 1968-05-14
•
Expires: 1986-04-11
Abstract
No abstract record available.
Inventors
- 👤 James F Novak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:21
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/26; H03F3/30; H03F3/3083; H03F3/3086; H03F3/3098
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
IN AN AMPLIFYING APPARATUS COMPRISING A DRIVER AMPLIFIER, A POWER SUPPLY FOR SAID DRIVER AMPLIFIER AND A POWER AMPLIFIER, THE IMPROVEMENT COMPRISING: SAID POWER AMPLIFIER BEING A FULL-BRIDGE AMPLIFIER; FEEDBACK MEANS FORMING A DIRECT ELECTRICAL CONNECTION BETWEEN SAID POWER AMPLIFIER AND THE DRIVER AMPLIFIER FOR SUPPLYING A FEEDBACK SIGNAL FROM THE POWER AMPLIFIER TO THE DRIVER AMPLIFIER, SAID FEEDBACK MEANS HAVING A GROUNDED PORTION; AND AN ADDITIONAL, SEPARATE, POWER SUPPLY FOR SUPPLYING POWER TO THE POWER AMPLIFIER, THE LATTER POWER SUPPLY FLOATING WITH RESPECT TO GROUND.
Claim 2
Dependent Claim
86 words
IN AN AMPLIFYING APPARATUS COMPRISING A DRIVER AMPLIFIER, A POWER SUPPLY FOR SAID DRIVER AMPLIFIER AND A POWER AMPLIFIER, THE IMPROVEMENT COMPRISING: SAID POWER AMPLIFIER BEING A FULL-BRIDGE AMPLIFIER; FEEDBACK MEANS FORMING A DIRECT ELECTRICAL CONNECTION BETWEEN SAID POWER AMPLIFIER AND THE DRIVER AMPLIFIER FOR SUPPLYING A FEEDBACK SIGNAL FROM THE POWER AMPLIFIER TO THE DRIVER AMPLIFIER, SAID FEEDBACK MEANS HAVING A GROUNDED PORTION; AND AN ADDITIONAL, SEPARATE, POWER SUPPLY FOR SUPPLYING POWER TO THE POWER AMPLIFIER, THE LATTER POWER SUPPLY FLOATING WITH RESPECT TO GROUND.
References Cited (Backward Citations)
US3015695A
Cited
US3102984A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |