US3310731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltage reference circuit
Assignee: RCA Corp
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Filing: 1963-01-29
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Granted: 1967-03-21
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Expires: 1983-01-29
Abstract
No abstract record available.
Inventors
- 👤 Ostroff Arthur
- 👤 D Agostino Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:44
CPC Classifications
G; G05; G05B; G05B11/00; G05B11/01; G05B11/012
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
135 words
AN ELECTRICAL CIRCUIT COMPRISING IN COMBINATION: A PAIR OF TRANSISTORS OF THE SAME CONDUCTIVITY TYPE WITH EACH HAVING BASE, EMITTER, AND COLLECTOR ELECTRODES, MEANS FOR SERIALLY CONNECTING TOGETHER THE EMITTER-TOCOLLECTOR CURRENT PATHS OF SAID TRANSISTORS SO THAT ONE TRANSISTOR FUNCTIONS AS AN EMITTER FOLLOWER AND THE OTHER FUNCTIONS AS A LOAD THEREON, A SOURCE OF ENERGIZING POTENTIAL HAVING OPPOSITE POLARITY TERMINALS, FIRST AND SECOND RESISTORS COUPLED FROM THE COLLECTOR AND BASE ELECTRODES, RESPECTIVELY, OF SAID EMITTER FOLLOWER TRANSISTOR TO ONE TERMINAL OF SAID SOURCE OF ENERGIZING POTENTIAL, A THIRD RESISTOR COUPLED FROM THE BASE ELECTRODE OF SAID LOAD TRANSISTOR TO THE OTHER TERMINAL OF SAID SOURCE OF ENERGIZING POTENTIAL, MEANS INCLUDING SAID SOURCE OF ENERGIZING POTENTIAL FOR FORWARD BIASING THE BASE ELECTRODES OF SAID PAIR OF TRANSISTORS WITH RESPECT TO THE EMITTER ELECTRODES THEREOF, AND
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) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |