US3359378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-way amplifier
Assignee: Lockheed Martin Corp
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Filing: 1964-09-28
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Granted: 1967-12-19
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Expires: 1984-09-28
Abstract
No abstract record available.
Inventors
- 👤 Nicholas D Skeer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:22
CPC Classifications
H; H04; H04B; H04B3/00; H04B3/02; H04B3/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
275 words
A TWO-WAY AMPLIFIER HAVING FIRST AND SECOND PAIRED TERMINALS AND THIRD AND FOURTH PAIRED TERMINALS, SAID AMPLIFIER APPLYING TO SAID THIRD AND FOURTH TERMINALS AN AMPLIFIED OUTPUT SIGNAL CORRESPONDING TO A SIGNAL INPUT AT SAID FIRST AND SECOND TERMINALS WHEN A FIRST CONTROL VOLTAGE IS BETWEEN SAID FIRST AND SECOND TERMINALS AND APPLYING TO SAID FIRST AND SECOND TERMINALS AN AMPLIFIED OUTPUT SIGNAL CORRESPONDING TO A SIGNAL INPUT AT SAID THIRD AND FIRST AND SECOND TERMINALS HAS AN OPPOSITE, SECOND POLARITY SAID AMPLIFIER COMPRISING IN COMBINATION (A) A FIRST AMPLIFIER CIRCUIT HAVING (1) A PAIR OF INPUT TERMINALS CONNECTED TO SAID FIRST AND SECOND TERMINALS, AND A PAIR OF OUTPUT TERMINALS CONNECTED TO SAID THIRD AND FOURTH TERMINALS, (2) A FIRST UNIDIRECTIONAL CONDUCTION ELEMENT, A FIRST RESISTOR, AND A SECOND RESISTOR CONNECTED IN SERIES SUCCESSION BETWEEN SAID FIRST AND THIRD TERMINALS AND FORMING A UNIDIRECTIONAL DIRECT CURRENT PATH FROM SAID FIRST TERMINAL TO SAID THIRD TERMINAL, AND (3) AMPLIFYING MEANS FORMING AN ALTERNATING CURRENT SIGNAL PATH FROM THE COMMON CONNECTION OF SAID ELEMENT AND FIRST RESISTOR TO SAID THIRD TERMINAL, AND (B) A SECOND AMPLIFIER CIRCUIT HAVING (1) A PAIR OF INPUT TERMINALS CONNECTED TO SAID THIRD AND FOURTH TERMINALS, AND A PAIR OF OUTPUT TERMINALS CONNECTED TO SAID FIRST AND SECOND TERMINALS, (2) A SECOND UNIDIRECTIONAL CONDUCTION ELEMENT, A THIRD RESISTOR AND A FOURTH RESISTOR CONNECTED IN SERIES SUCCESSION BETWEEN SAID FIRST AND THIRD TERMINALS AND FORMING A UNIDIRECTIONAL DIRECT CURRENT PATH FROM SAID THIRD TO SAID FIRST TERMINALS, AND (3) AMPLIFYING MEANS FORMING AN ALTERNATING CURRENT SIGNAL PATH FORM SAID THIRD TERMINAL TO THE COMMON CONNECTION OF SAID SECOND ELEMENT AND THIRD RESISTOR.
Claim 2
Dependent Claim
275 words
A TWO-WAY AMPLIFIER HAVING FIRST AND SECOND PAIRED TERMINALS AND THIRD AND FOURTH PAIRED TERMINALS, SAID AMPLIFIER APPLYING TO SAID THIRD AND FOURTH TERMINALS AN AMPLIFIED OUTPUT SIGNAL CORRESPONDING TO A SIGNAL INPUT AT SAID FIRST AND SECOND TERMINALS WHEN A FIRST CONTROL VOLTAGE IS BETWEEN SAID FIRST AND SECOND TERMINALS AND APPLYING TO SAID FIRST AND SECOND TERMINALS AN AMPLIFIED OUTPUT SIGNAL CORRESPONDING TO A SIGNAL INPUT AT SAID THIRD AND FIRST AND SECOND TERMINALS HAS AN OPPOSITE, SECOND POLARITY SAID AMPLIFIER COMPRISING IN COMBINATION (A) A FIRST AMPLIFIER CIRCUIT HAVING (1) A PAIR OF INPUT TERMINALS CONNECTED TO SAID FIRST AND SECOND TERMINALS, AND A PAIR OF OUTPUT TERMINALS CONNECTED TO SAID THIRD AND FOURTH TERMINALS, (2) A FIRST UNIDIRECTIONAL CONDUCTION ELEMENT, A FIRST RESISTOR, AND A SECOND RESISTOR CONNECTED IN SERIES SUCCESSION BETWEEN SAID FIRST AND THIRD TERMINALS AND FORMING A UNIDIRECTIONAL DIRECT CURRENT PATH FROM SAID FIRST TERMINAL TO SAID THIRD TERMINAL, AND (3) AMPLIFYING MEANS FORMING AN ALTERNATING CURRENT SIGNAL PATH FROM THE COMMON CONNECTION OF SAID ELEMENT AND FIRST RESISTOR TO SAID THIRD TERMINAL, AND (B) A SECOND AMPLIFIER CIRCUIT HAVING (1) A PAIR OF INPUT TERMINALS CONNECTED TO SAID THIRD AND FOURTH TERMINALS, AND A PAIR OF OUTPUT TERMINALS CONNECTED TO SAID FIRST AND SECOND TERMINALS, (2) A SECOND UNIDIRECTIONAL CONDUCTION ELEMENT, A THIRD RESISTOR AND A FOURTH RESISTOR CONNECTED IN SERIES SUCCESSION BETWEEN SAID FIRST AND THIRD TERMINALS AND FORMING A UNIDIRECTIONAL DIRECT CURRENT PATH FROM SAID THIRD TO SAID FIRST TERMINALS, AND (3) AMPLIFYING MEANS FORMING AN ALTERNATING CURRENT SIGNAL PATH FORM SAID THIRD TERMINAL TO THE COMMON CONNECTION OF SAID SECOND ELEMENT AND THIRD RESISTOR.
References Cited (Backward Citations)
US3175050A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |