US3366889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integrated electrical circuit
Assignee: RCA Corp
•
Filing: 1964-09-14
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Granted: 1968-01-30
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Expires: 1984-09-14
Abstract
No abstract record available.
Inventors
- 👤 Avins Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:20
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/45; H03F3/45071; G; G05; G05F; G05F1/00; G05F1/10; G05F1/46; G05F1/56; G05F3/00; G05F3/02; G05F3/08; G05F3/10; G05F3/16; G05F3/20; G05F3/22; G05F3/222; G05F3/227; H03F1/00; H03F1/30; H03F1/302; H03F1/32; H03F1/42; H03F1/48; H03F3/04; H03F3/189; H03F3/19; H03F3/195; H03F3/34; H03F3/343; H03F3/347; H03F3/45479; H03G; H03G11/00; H03G11/06; H03K; H03K19/00; H03K19/0175; H03K19/018; H03K19/01806
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A SIGNAL TRANSLATING STAGE COMPRISING: FIRST, SECOND AND THIRD TRANSISTORS EACH HAVING BASE, EMITTER AND COLLECTOR ELECTRODES; MEANS INCLUDING FIRST AND SECOND RESISTORS CONNECTING SAID FIRST AND SECOND TRANSISTORS AS AN EMITTER COUPLED AMPLIFIER CIRCUIT, SAID FIRST RESISTOR CONNECTED IN COMMON WITH THE EMITTER ELECTRODES OF SAID FIRST AND SECOND TRANSISTORS, AND SAID SECOND RESISTOR CONNECTED IN THE COLLECTOR ELECTRODE CIRCUIT OF SAID SECOND TRANSISTOR, SAID SECOND RESISTOR HAVING SUBSTANTIALLY TWICE THE RESISTANCE VALUE OF SAID FIRST RESISTOR; MEANS CONNECTING SAID THIRD TRANSISTOR AS AN EMITTER FOLLOWER CIRCUIT; AND MEANS PROVIDING A DIRECT CURRENT CONNECTION BETWEEN THE COLLECTOR ELECTRODE CIRCUIT OF SAID SECOND TRANSISTOR AND THE BASE ELECTRODE OF SAID THIRD TRANSISTOR FOR APPLYING SIGNALS FROM SAID EMITTER COUPLED AMPLIFIER CIRCUIT TO SAID EMITTER FOLLOWER CIRCUIT.
Claim 2
Dependent Claim
126 words
A SIGNAL TRANSLATING STAGE COMPRISING: FIRST, SECOND AND THIRD TRANSISTORS EACH HAVING BASE, EMITTER AND COLLECTOR ELECTRODES; MEANS INCLUDING FIRST AND SECOND RESISTORS CONNECTING SAID FIRST AND SECOND TRANSISTORS AS AN EMITTER COUPLED AMPLIFIER CIRCUIT, SAID FIRST RESISTOR CONNECTED IN COMMON WITH THE EMITTER ELECTRODES OF SAID FIRST AND SECOND TRANSISTORS, AND SAID SECOND RESISTOR CONNECTED IN THE COLLECTOR ELECTRODE CIRCUIT OF SAID SECOND TRANSISTOR, SAID SECOND RESISTOR HAVING SUBSTANTIALLY TWICE THE RESISTANCE VALUE OF SAID FIRST RESISTOR; MEANS CONNECTING SAID THIRD TRANSISTOR AS AN EMITTER FOLLOWER CIRCUIT; AND MEANS PROVIDING A DIRECT CURRENT CONNECTION BETWEEN THE COLLECTOR ELECTRODE CIRCUIT OF SAID SECOND TRANSISTOR AND THE BASE ELECTRODE OF SAID THIRD TRANSISTOR FOR APPLYING SIGNALS FROM SAID EMITTER COUPLED AMPLIFIER CIRCUIT TO SAID EMITTER FOLLOWER CIRCUIT.
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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) | 1971-01-29 | 1971-07-31 | 1972-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-29 | 1975-07-31 | 1976-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-29 | 1979-07-31 | 1980-01-30 | $7700.00 | Window Closed / Lapsed |