US3219946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistorized static inverters
Assignee: Bendix Corp
•
Filing: 1960-08-29
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Granted: 1965-11-23
•
Expires: 1980-08-29
Abstract
No abstract record available.
Inventors
- 👤 Compoly Albert William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:27
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/53; H02M7/537; H02M7/5383; H02M7/53832; H02M7/53835
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
107 words
IN A TRANSISTOR OSCILLATOR BAVING A DIRECT CURRENT INPUT CONNECTED ACROSS THE EMITTER AND COLLECTOR OF THE TRANSISTORS, THE IMPROVEMENT COMPRISING MERANS FOR BIASING THE TRANSISTORS IN SAID OSCILLATOR IN ACCORDANCE WITH TEMPERATURE AND INCLUDES A FIRST RESISTOR, A SECOND RESISTOR, CIRCUIT MEANS CONNECTING SAID RESISTORS IN SERIES ACROSS SAID DIRECT CURRENT SOURCE, ZENER DIODE CONNECTED ACROSS SAID RESISTORS AND HAVING A NEGATIVE TEMPERATURE COEFFICIENT TO REGULATE THE VOLTAGE INVERSELY WITH TEMPERATURE, MEANS CONNECTING THE JUNCTION OF SAID RESISTORS TO THE BASE OF SAID TRANSISTORS, AND ONE OF SAID RESISTORS HAVING A POSITIVE TEMPERAURE COEFFICIENT TO CHANGE THE RATIO OF SAID RESISTORS IN ACCORDANCE WITH TEMPERATURE CHANGES.
References Cited (Backward Citations)
US3125726A
Cited
US2875351A
Cited
US2957979A
Cited
US2968738A
Cited
US3051933A
Cited
US3029398A
Cited
US3050644A
Cited
US3102217A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |