US3237106A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Uhf converter circuit arrangement
Assignee: General Electric Co
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Filing: 1963-02-01
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Granted: 1966-02-22
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Expires: 1983-02-01
Abstract
No abstract record available.
Inventors
- 👤 Ghaem-Maghami Sanjar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:54
CPC Classifications
H; H03; H03D; H03D9/00; H03D9/06; H03D9/0608; H03D9/0625
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
AN ULTRA HIGH FREQUENCY CONVERTER CIRCUIT ARRANGEMENT COMPRISING: A MIXER STAGE INCLUDING A MIXER ELEMENT HAVING A FIRST ELECTRODE AND MEANS ESTABLISHING A DIRECT-CURRENT POTENTIAL AT SAID FIRST ELECTRODE; MEANS FOR SELECTIVELY TUNING A BROADCAST SIGNAL AND FOR COUPLING THE SIGNAL TO SAID MIXER ELEMENT; LOCAL OSCILLATOR MEANS FOR GENERATING AN ALTERNATING SIGNAL, SAID OSCILLATOR MEANS INCLUDING AN ELECTRON DISCHARGE AMPLIFYING DEVICE HAVING A CONTROL ELECTRODE AND A GRID-LEAK BIAS CAPACITOR COUPLED TO SAID CONTROL ELECTRODE; AND IMPEDANCE MEANS COUPLED BETWEEN SAID FIRST ELECTRODE AND SAID CONTROL ELECTRODE FOR PROVIDING A GRID-LEAK RESISTANCE, FOR ESTABLISHING A DIRECTCURRENT POTENTIAL AT SAID CONTROL ELECTRODE AND FOR COUPLING AN OSCILLATOR SIGNAL TO SAID MIXER ELEMENT.
Claim 2
Dependent Claim
112 words
AN ULTRA HIGH FREQUENCY CONVERTER CIRCUIT ARRANGEMENT COMPRISING: A MIXER STAGE INCLUDING A MIXER ELEMENT HAVING A FIRST ELECTRODE AND MEANS ESTABLISHING A DIRECT-CURRENT POTENTIAL AT SAID FIRST ELECTRODE; MEANS FOR SELECTIVELY TUNING A BROADCAST SIGNAL AND FOR COUPLING THE SIGNAL TO SAID MIXER ELEMENT; LOCAL OSCILLATOR MEANS FOR GENERATING AN ALTERNATING SIGNAL, SAID OSCILLATOR MEANS INCLUDING AN ELECTRON DISCHARGE AMPLIFYING DEVICE HAVING A CONTROL ELECTRODE AND A GRID-LEAK BIAS CAPACITOR COUPLED TO SAID CONTROL ELECTRODE; AND IMPEDANCE MEANS COUPLED BETWEEN SAID FIRST ELECTRODE AND SAID CONTROL ELECTRODE FOR PROVIDING A GRID-LEAK RESISTANCE, FOR ESTABLISHING A DIRECTCURRENT POTENTIAL AT SAID CONTROL ELECTRODE AND FOR COUPLING AN OSCILLATOR SIGNAL TO SAID MIXER ELEMENT.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |