US3134046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amplifier and coupling circuit
Assignee: NEOTEC Corp A CORP OF DE
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Filing: 1962-06-15
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Granted: 1964-05-19
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Expires: 1982-06-15
Abstract
No abstract record available.
Inventors
- 👤 John F Walton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:21
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/14; H04N5/148
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
IN COMBINATION, A CIRCUIT FOR AMPLIFYING SIGNALS HAVING A QUIESCENT LEVEL APPROXIMATELY EQUAL TO A REFERENCE POTENTIAL, AN OUTPUT STAGE FOR SAID CIRCUIT, SAID OUTPUT STAGE INCLUDING AN AMPLIFYING ELEMENT, A CATHODE RAY TUBE HAVING AT LEAST A CATHODE, A CONTROL GRID AND AN ANODE, MEANS FOR CONNECTING SAID ANODE TO THE REFERENCE POTENTIAL, MEANS FOR CONNECTING SAID CATHODE TO A FIRST VOLTAGE NEGATIVE WITH RESPECT TO THE REFERENCE POTENTIAL BY AN AMOUNT APPROXIMATELY EQUAL TO THE OPERATING VOLTAGE OF SAID CATHODE RAY TUBE, AN IMPEDANCE CONNECTED BETWEEN SAID CATHODE AND SAID CONTROL GRID OF SAID CATHODE RAY TUBE, A VOLTAGE SOURCE CONNECTED BETWEEN SAID CONTROL GRID AND SAID AMPLIFYING ELEMENT, SAID VOLTAGE SOURCE PROVIDING A VOLTAGE GREATER THAN THE DIFFERENCE BETWEEN THE REFERENCE POTENTIAL AND SAID FIRST VOLTAGE BY AN AMOUNT APPROXIMATELY EQUAL TO THE OPERATING VOLTAGE OF SAID AMPLIFYING ELEMENT.
Claim 2
Dependent Claim
142 words
IN COMBINATION, A CIRCUIT FOR AMPLIFYING SIGNALS HAVING A QUIESCENT LEVEL APPROXIMATELY EQUAL TO A REFERENCE POTENTIAL, AN OUTPUT STAGE FOR SAID CIRCUIT, SAID OUTPUT STAGE INCLUDING AN AMPLIFYING ELEMENT, A CATHODE RAY TUBE HAVING AT LEAST A CATHODE, A CONTROL GRID AND AN ANODE, MEANS FOR CONNECTING SAID ANODE TO THE REFERENCE POTENTIAL, MEANS FOR CONNECTING SAID CATHODE TO A FIRST VOLTAGE NEGATIVE WITH RESPECT TO THE REFERENCE POTENTIAL BY AN AMOUNT APPROXIMATELY EQUAL TO THE OPERATING VOLTAGE OF SAID CATHODE RAY TUBE, AN IMPEDANCE CONNECTED BETWEEN SAID CATHODE AND SAID CONTROL GRID OF SAID CATHODE RAY TUBE, A VOLTAGE SOURCE CONNECTED BETWEEN SAID CONTROL GRID AND SAID AMPLIFYING ELEMENT, SAID VOLTAGE SOURCE PROVIDING A VOLTAGE GREATER THAN THE DIFFERENCE BETWEEN THE REFERENCE POTENTIAL AND SAID FIRST VOLTAGE BY AN AMOUNT APPROXIMATELY EQUAL TO THE OPERATING VOLTAGE OF SAID AMPLIFYING ELEMENT.
References Cited (Backward Citations)
US2884492A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |