Patent US3169228A successfully refreshed from Google Patents.
US3169228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor amplifier with diode feedback circuit
Assignee: RCA Corp
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Filing: 1961-06-26
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Granted: 1965-02-09
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Expires: 1981-06-26
Abstract
No abstract record available.
Inventors
- 👤 Joseph O Sinniger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:52
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/34; H03F3/343; H03F1/00; H03F1/34; H03F1/56; H03F1/565
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A SIGNAL TRANSLATOR CIRCUIT COMPRISING A TRANSISTOR HAVING BASE, EMITTER AND COLLECTOR ELECTRODES, AN OUTPUT CIRCUIT CONNECTED BETWEEN SAID EMITTER AND COLLECTOR ELECTRODES BEING ADAPTED TO RECEIVE A SOURCE OF ENERGIZING POTENTIAL, SAID OUTPUT CIRCUIT INCLUDING AN IMPEDANCE ELEMENT CONNECTED BETWEEN SAID EMITTER ELECTRODE AND A JUNCTION POINT, MEANS INCLUDING AN IMPEDANCE ELEMENT
Claim 2
Dependent Claim
53 words
A SIGNAL TRANSLATOR CIRCUIT COMPRISING A TRANSISTOR HAVING BASE, EMITTER AND COLLECTOR ELECTRODES, AN OUTPUT CIRCUIT CONNECTED BETWEEN SAID EMITTER AND COLLECTOR ELECTRODES BEING ADAPTED TO RECEIVE A SOURCE OF ENERGIZING POTENTIAL, SAID OUTPUT CIRCUIT INCLUDING AN IMPEDANCE ELEMENT CONNECTED BETWEEN SAID EMITTER ELECTRODE AND A JUNCTION POINT, MEANS INCLUDING AN IMPEDANCE ELEMENT
References Cited (Backward Citations)
US2878380A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-09 | 1968-08-10 | 1969-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-09 | 1972-08-10 | 1973-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-09 | 1976-08-10 | 1977-02-09 | $7700.00 | Window Closed / Lapsed |