US3124762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cascode amplifier circuits
Assignee: NEOTEC Corp A CORP OF DE
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Filing: —
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Granted: 1964-03-10
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:20
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/42; H03F3/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A CASCODE AMPLIFIER COMPRISING FIRST AND SECOND TRIODES, EACH HAVING A CATHODE, AN ANODE AND A CONTROL GRID, MEANS CONNECTING SAID CATHODE OF SAID FIRST TRIODE TO A REFERENCE POTENTIAL, MEANS CONNECTING SAID ANODE OF SAID FIRST TRIODE TO SAID CATHODE OF SAID SECOND TRIODE, MEANS FOR APPLYING AN INPUT SIGNAL TO SAID CONTROL GRID OF SAID FIRST TRIODE, MEANS FOR CONNECTING SAID CONTROL GRID OF SAID SECOND TRIODE TO A FIXED OPERATING POTENTIAL TO MAINTAIN SAID CONTROL GRID OF SAID SECOND TRIODE AT A SUBSTANTIALLY INVARIABLE POTENTIAL RELATIVE TO THE REFERENCE POTENTIAL, A LOAD IMPEDANCE, MEANS CONNECTING ONE END OF SAID LOAD IMPEDANCE TO THE REFERENCE POTENTIAL MEANS FOR CONNECTING AN ANODE SUPPLY VOLTAGE BETWEEN THE OTHER END OF SAID LOAD IMPEDANCE AND SAID ANODE OF SAID SECOND TRIODE A SIGNAL UTILIZATION MEANS AND A SUBSTANTIALLY PURELY RESISTIVE MEANS CONNECTING SAID SIGNAL UTILIZATION MEANS TO RECEIVE SIGNAL VOLTAGES DEVELOPED ACROSS SAID LOAD IMPEDANCE.
Claim 2
Dependent Claim
154 words
A CASCODE AMPLIFIER COMPRISING FIRST AND SECOND TRIODES, EACH HAVING A CATHODE, AN ANODE AND A CONTROL GRID, MEANS CONNECTING SAID CATHODE OF SAID FIRST TRIODE TO A REFERENCE POTENTIAL, MEANS CONNECTING SAID ANODE OF SAID FIRST TRIODE TO SAID CATHODE OF SAID SECOND TRIODE, MEANS FOR APPLYING AN INPUT SIGNAL TO SAID CONTROL GRID OF SAID FIRST TRIODE, MEANS FOR CONNECTING SAID CONTROL GRID OF SAID SECOND TRIODE TO A FIXED OPERATING POTENTIAL TO MAINTAIN SAID CONTROL GRID OF SAID SECOND TRIODE AT A SUBSTANTIALLY INVARIABLE POTENTIAL RELATIVE TO THE REFERENCE POTENTIAL, A LOAD IMPEDANCE, MEANS CONNECTING ONE END OF SAID LOAD IMPEDANCE TO THE REFERENCE POTENTIAL MEANS FOR CONNECTING AN ANODE SUPPLY VOLTAGE BETWEEN THE OTHER END OF SAID LOAD IMPEDANCE AND SAID ANODE OF SAID SECOND TRIODE A SIGNAL UTILIZATION MEANS AND A SUBSTANTIALLY PURELY RESISTIVE MEANS CONNECTING SAID SIGNAL UTILIZATION MEANS TO RECEIVE SIGNAL VOLTAGES DEVELOPED ACROSS SAID LOAD IMPEDANCE.
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) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |