Patent US3199050A successfully refreshed from Google Patents.
US3199050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor oscillator having voltage dependent resistor for frequency stabilization
Assignee: US Philips Corp
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Filing: 1962-02-26
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Granted: 1965-08-03
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Expires: 1982-02-26
Abstract
No abstract record available.
Inventors
- 👤 Schleenbecker Ewald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:57
CPC Classifications
H; H03; H03B; H03B5/00; H03B5/08; H03B5/12; H03B5/1231; H03B5/1203; H03B5/1237; H03B5/124
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A FREQUENCY STABILIZED TRANSISTOR OSCILLATOR COMPRISING A TRANSISTOR HAVING EMITTER, BASE AND COLLECTOR ELECTRODES, A SOURCE OF OPERATING VOLTAGE HAVING FIRST AND SECOND TERMINALS, MEANS CONNECTING SAID EMITER AND COLLECTOR ELECTRODES TO SAID FIRST AND SECOND TERMINALS RESPECTIVELY, MEANS FOR REGENERATIVELY INTERCONNECTING AT LEAST TWO OF SAID ELECTRODES TO PRODUCE OSCILLATIONS, A VOLTAGE DIVIDER HAVING A TAP, MEANS CONNECTING SAID VOLTAGE DIVIDER BETWEEN SAID FIRST AND SECOND TERMINALS, AND MEANS CON-
Claim 2
Dependent Claim
71 words
A FREQUENCY STABILIZED TRANSISTOR OSCILLATOR COMPRISING A TRANSISTOR HAVING EMITTER, BASE AND COLLECTOR ELECTRODES, A SOURCE OF OPERATING VOLTAGE HAVING FIRST AND SECOND TERMINALS, MEANS CONNECTING SAID EMITER AND COLLECTOR ELECTRODES TO SAID FIRST AND SECOND TERMINALS RESPECTIVELY, MEANS FOR REGENERATIVELY INTERCONNECTING AT LEAST TWO OF SAID ELECTRODES TO PRODUCE OSCILLATIONS, A VOLTAGE DIVIDER HAVING A TAP, MEANS CONNECTING SAID VOLTAGE DIVIDER BETWEEN SAID FIRST AND SECOND TERMINALS, AND MEANS CON-
References Cited (Backward Citations)
US2757243A
Cited
US3010014A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |