Patent US3373373A successfully refreshed from Google Patents.
US3373373A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Output coupling method for push-pull power amplifier
Assignee: United States Department of the Navy
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Filing: 1964-12-24
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Granted: 1968-03-12
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Expires: 1984-12-24
Abstract
No abstract record available.
Inventors
- 👤 Donald A Mcclure
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:57
CPC Classifications
H; H03; H03H; H03H7/00; H03H7/48; H03H7/487
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
205 words
A PUSH-PULL COUPLING NETWORK FOR TRANSMITTING POWER THE EVEN ORDER HARMONICS OF WHICH ARE SUPPRESSED COMPRISING: A PUSH-PULL AMPLIFIER HAVING TWO OUTPUTS AND OPERATIVE TO GENERATE POWER THROUGH EITHER OUTPUT DURING ALTERNATIVE HALVES OF A POWER CYCLE; A TRANSMISSION LINE HAVING A PLURALITY OF WIRES IN CLOSE PARALLEL RELATIONSHIP, SAID WIRES HAVING TWO TERMINALS, THE FIRST WIRE OF WHICH HAS ITS FIRST TERMINAL CONNECTED TO ONE OUTPUT OF SAID PUSH-PULL POWER AMPLIFIER AND THE SECOND WIRE OF WHICH HAS ITS FIRST TERMINAL CONNECTED TO THE SECOND OUTPUT OF SAID PUSH-PULL POWER AMPLIFIER; A LOAD IMPEDANCE HAVING TWO TERMINALS, THE FIRST TERMINAL OF WHICH IS CONNECTED TO THE FIRST TERMINAL OF THE THIRD WIRE OF SAID TRANSMISSION LINE; AND A TERMINAL OF ZERO AC POTENTIAL TO WHICH THE SECOND TERMINAL OF THE THREE WIRES OF SAID TRANSMISSION LINE AND THE LOAD IMPEDANCE ARE CONNECTED, WHEREBY A SIGNAL IS TRANSMITTED BY EITHER OF SAID FIRST OR SECOND WIRES TO SAID LOAD DURING ONE-HALF OF THE POWER CYCLE WHICH IS OF OPPOSITE POLARITY TO THE SIGNAL TRANSMITTED BY THE OTHER OF SAID FIRST OR SECOND WIRES DURING THE ALTERNATE HALF OF THE POWER CYCLE AND WHEREBY SAID LOAD IMPEDANCE SERVES AS THE CHARACTERISTIC IMPEDANCE OF THE TRANSMITTING LINE.
Claim 2
Dependent Claim
205 words
A PUSH-PULL COUPLING NETWORK FOR TRANSMITTING POWER THE EVEN ORDER HARMONICS OF WHICH ARE SUPPRESSED COMPRISING: A PUSH-PULL AMPLIFIER HAVING TWO OUTPUTS AND OPERATIVE TO GENERATE POWER THROUGH EITHER OUTPUT DURING ALTERNATIVE HALVES OF A POWER CYCLE; A TRANSMISSION LINE HAVING A PLURALITY OF WIRES IN CLOSE PARALLEL RELATIONSHIP, SAID WIRES HAVING TWO TERMINALS, THE FIRST WIRE OF WHICH HAS ITS FIRST TERMINAL CONNECTED TO ONE OUTPUT OF SAID PUSH-PULL POWER AMPLIFIER AND THE SECOND WIRE OF WHICH HAS ITS FIRST TERMINAL CONNECTED TO THE SECOND OUTPUT OF SAID PUSH-PULL POWER AMPLIFIER; A LOAD IMPEDANCE HAVING TWO TERMINALS, THE FIRST TERMINAL OF WHICH IS CONNECTED TO THE FIRST TERMINAL OF THE THIRD WIRE OF SAID TRANSMISSION LINE; AND A TERMINAL OF ZERO AC POTENTIAL TO WHICH THE SECOND TERMINAL OF THE THREE WIRES OF SAID TRANSMISSION LINE AND THE LOAD IMPEDANCE ARE CONNECTED, WHEREBY A SIGNAL IS TRANSMITTED BY EITHER OF SAID FIRST OR SECOND WIRES TO SAID LOAD DURING ONE-HALF OF THE POWER CYCLE WHICH IS OF OPPOSITE POLARITY TO THE SIGNAL TRANSMITTED BY THE OTHER OF SAID FIRST OR SECOND WIRES DURING THE ALTERNATE HALF OF THE POWER CYCLE AND WHEREBY SAID LOAD IMPEDANCE SERVES AS THE CHARACTERISTIC IMPEDANCE OF THE TRANSMITTING LINE.
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) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |