Patent US3075153A successfully refreshed from Google Patents.
US3075153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Redundant amplifier
Assignee: General Dynamics Corp
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Filing: 1958-08-18
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Granted: 1963-01-22
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Expires: 1978-08-18
Abstract
No abstract record available.
Inventors
- 👤 Glen M Dodd
- 👤 Jr Rudolph A Jacobs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:08
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/52; H03F1/526
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A RELIABLE AMPLIFIER CIRCUIT COMPRISING A FIRST AMPLIFYING DEVICE HAVING A FIRST CONTROL ELECTRODE, A FIRST OUTPUT ELECTRODE, AND A FIRST COMMON ELECTRODE, A SECOND AMPLIFYING DEVICE HAVING A SECOND CONTROL ELECTRODE, A SECOND OUTPUT ELECTRODE AND A SECOND COMMON ELECTRODE, MEANS FOR INTERCONNECTING SAID FIRST AND SECOND CONTROL ELECTRODES, MEANS FOR INTERCONNECTING SAID FIRST AND SECOND OUTPUT ELECTRODES, A FIRST CURRENT FEEDBACK CIRCUIT CONNECTED TO SAID FIRST COMMON ELECTRODE, A SECOND CURRENT FEEDBACK CIRCUIT CONNECTED TO SAID SECOND COMMON ELECTRODE, A VOLTAGE FEEDBACK CIRCUIT JOINING SAID INTERCONNECTED OUTPUT ELECTRODES TO SAID INTERCONNECTED CONTROL ELECTRODES, FIRST CURRENT RESPONSIVE CIRCUIT OPENING MEANS CONNECTED TO SAID FIRST COMMON ELECTRODE TO EFFECTIVELY REMOVE SAID FIRST AMPLIFYING DEVICE FROM CIRCUIT UPON FAILURE THEREOF, SECOND CURRENT RESPONSIVE CIRCUIT OPENING MEANS CONNECTED TO SAID SECOND COMMON ELECTRODE TO EFFECTIVELY REMOVE SAID SECOND AMPLIFYING DEVICE FROM CIRCUIT UPON FAILURE THEREOF, A SIGNAL INPUT TERMINAL CONNECTED TO SAID INTERCONNECTED CONTROL ELECTRODES, AND A SIGNAL OUTPUT TERMINAL CONNECTED TO SAID INTERCONNECTED OUTPUT ELECTRODES.
Claim 2
Dependent Claim
164 words
A RELIABLE AMPLIFIER CIRCUIT COMPRISING A FIRST AMPLIFYING DEVICE HAVING A FIRST CONTROL ELECTRODE, A FIRST OUTPUT ELECTRODE, AND A FIRST COMMON ELECTRODE, A SECOND AMPLIFYING DEVICE HAVING A SECOND CONTROL ELECTRODE, A SECOND OUTPUT ELECTRODE AND A SECOND COMMON ELECTRODE, MEANS FOR INTERCONNECTING SAID FIRST AND SECOND CONTROL ELECTRODES, MEANS FOR INTERCONNECTING SAID FIRST AND SECOND OUTPUT ELECTRODES, A FIRST CURRENT FEEDBACK CIRCUIT CONNECTED TO SAID FIRST COMMON ELECTRODE, A SECOND CURRENT FEEDBACK CIRCUIT CONNECTED TO SAID SECOND COMMON ELECTRODE, A VOLTAGE FEEDBACK CIRCUIT JOINING SAID INTERCONNECTED OUTPUT ELECTRODES TO SAID INTERCONNECTED CONTROL ELECTRODES, FIRST CURRENT RESPONSIVE CIRCUIT OPENING MEANS CONNECTED TO SAID FIRST COMMON ELECTRODE TO EFFECTIVELY REMOVE SAID FIRST AMPLIFYING DEVICE FROM CIRCUIT UPON FAILURE THEREOF, SECOND CURRENT RESPONSIVE CIRCUIT OPENING MEANS CONNECTED TO SAID SECOND COMMON ELECTRODE TO EFFECTIVELY REMOVE SAID SECOND AMPLIFYING DEVICE FROM CIRCUIT UPON FAILURE THEREOF, A SIGNAL INPUT TERMINAL CONNECTED TO SAID INTERCONNECTED CONTROL ELECTRODES, AND A SIGNAL OUTPUT TERMINAL CONNECTED TO SAID INTERCONNECTED OUTPUT ELECTRODES.
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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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |