US3119972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor pulse oscillator with series resonant circuit
Assignee: Verizon Laboratories Inc
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Filing: 1961-12-27
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Granted: 1964-01-28
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Expires: 1981-12-27
Abstract
No abstract record available.
Inventors
- 👤 Fischman Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:28
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/30; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/53; H02M7/537; H02M7/5383; H02M7/53832; H02M7/53835; H03K5/00; H03K5/01; H03K5/04; H03K5/07; Y; Y02; Y02B; Y02B70/00; Y02B70/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A PULSE OSCILLATOR COMPRISING (A) FIRST AND SECOND TRANSISTORS EACH HAVING FIRST, SECOND AND THIRD ELECTRODES RESPECTIVELY, THE FIRST ELECTRODES OF SAID FIRST AND SECOND TRANSISTORS BEING COUPLED TOGETHER, (B) A SERIES RESONANT CIRCUIT HAVING FIRST AND SECOND ENDS, (C) A TRANSFORMER HAVING AT LEAST FIRST, SECOND, THIRD, AND FOURTH WINDINGS, THE FIRST WINDING OF SAID TRANSFORMER BEING COUPLED BETWEEN THE FIRST END OF SAID SERIES RESONANT CIRCUIT AND THE SECOND ELECTRODE OF SAID FIRST TRANSISTOR, THE SECOND WINDING OF SAID TRANSFORMER BEING COUPLED BETWEEN THE SECOND END OF SAID SERIES RESONANT CIRCUIT AND THE SECOND ELECTRODE OF SAID SECOND TRANSISTOR, AND THE THIRD AND FOURTH WINDINGS BEING COUPLED ACROSS THE FIRST AND THIRD ELECTRODES OF SAID FIRST AND SECOND TRANSISTORS RESPECTIVELY, AND (D) FIRST AND SECOND ASYMMETRICALLY CONDUCTING MEANS COUPLED BETWEEN THE FIRST AND SECOND ELECTRODES OF SAID FIRST AND SECOND TRANSISTORS RESPECTIVELY, AN OUTPUT SIGNAL APPEARING ACROSS THE WINDINGS OF SAID TRANSFORMER HAVING A FREQUENCY DETERMINED BY THE RESONANT FREQUENCY OF SAID SERIES RESONANT CIRCUIT.
Claim 2
Dependent Claim
167 words
A PULSE OSCILLATOR COMPRISING (A) FIRST AND SECOND TRANSISTORS EACH HAVING FIRST, SECOND AND THIRD ELECTRODES RESPECTIVELY, THE FIRST ELECTRODES OF SAID FIRST AND SECOND TRANSISTORS BEING COUPLED TOGETHER, (B) A SERIES RESONANT CIRCUIT HAVING FIRST AND SECOND ENDS, (C) A TRANSFORMER HAVING AT LEAST FIRST, SECOND, THIRD, AND FOURTH WINDINGS, THE FIRST WINDING OF SAID TRANSFORMER BEING COUPLED BETWEEN THE FIRST END OF SAID SERIES RESONANT CIRCUIT AND THE SECOND ELECTRODE OF SAID FIRST TRANSISTOR, THE SECOND WINDING OF SAID TRANSFORMER BEING COUPLED BETWEEN THE SECOND END OF SAID SERIES RESONANT CIRCUIT AND THE SECOND ELECTRODE OF SAID SECOND TRANSISTOR, AND THE THIRD AND FOURTH WINDINGS BEING COUPLED ACROSS THE FIRST AND THIRD ELECTRODES OF SAID FIRST AND SECOND TRANSISTORS RESPECTIVELY, AND (D) FIRST AND SECOND ASYMMETRICALLY CONDUCTING MEANS COUPLED BETWEEN THE FIRST AND SECOND ELECTRODES OF SAID FIRST AND SECOND TRANSISTORS RESPECTIVELY, AN OUTPUT SIGNAL APPEARING ACROSS THE WINDINGS OF SAID TRANSFORMER HAVING A FREQUENCY DETERMINED BY THE RESONANT FREQUENCY OF SAID SERIES RESONANT CIRCUIT.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-27 | 1967-07-29 | 1968-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-27 | 1971-07-29 | 1972-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-27 | 1975-07-29 | 1976-01-28 | $7700.00 | Window Closed / Lapsed |