US3218577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resonant circuit controlled asymmetrical pulse generator
Assignee: Verizon Laboratories Inc
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Filing: 1962-12-26
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Granted: 1965-11-16
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Expires: 1982-12-26
Abstract
No abstract record available.
Inventors
- 👤 Fischman Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:15
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/282; H03K3/2826; H03K3/2828
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
194 words
A PULSE GENERATOR FOR PRODUCING AN ASYMMETRICAL OUTPUT VOLTAGE COMPRISED OF FIRST AND SECOND PERIODS OF DIFFERENT DURATIONS COMPRISING (A) FIRST AND SECOND TRANSISTORS OF OPPOSITE CONDUCTIVITY TYPES EACH HAVING FIRST, SECOND, AND THIRD ELECTRODES, THE FIRST ELECTRODES OF SAID FIRST AND SECOND TRANSISTORS BEING COUPLED TOGETHER, (B) A FIRST INDUCTOR COUPLED BETWEEN THE SECOND AND THIRD ELECTRODES OF SAID FIRST TRANSISTOR, (C) A SECOND INDUCTOR AND A CAPACITOR COUPLED BETWEEN THE THIRD ELECTRODE OF SAID FIRST TRANSISTOR AND THE SECOND ELECTRODE OF SAID SECOND TRANSISTOR, (D) AN ASYMMETRICALLY CONDUCTING DEVICE COUPLED BETWEEN THE FIRST AND SECOND ELECTRODES OF SAID SECOND TRANSISTOR, CURRENT FLOW THROUGH SAID DEVICE BEING IN THE OPPOSITE DIRECTION WITH RESPECT TO SAID FIRST AND SECOND ELECTRODES FROM THE DIRECTION OF CURRENT FLOW THROUGH SAID SECOND TRANSISTOR, AND (E) FEEDBACK MEANS COUPLED BETWEEN THE THIRD ELECTRODE OF SAID SECOND TRANSISTOR AND THE SECOND ELECTRODE OF SAID FIRST TRANSISTOR, THE VOLTAGE BETWEEN SAID FIRST AND THIRD ELECTRODES OF SAID TRANSISTOR HAVING A FIRST PERIOD DETERMINED BY THE VALUES OF SAID CAPACITOR AND SAID FIRST AND SECOND INDUCTORS AND A SECOND PERIOD DETERMINED BY THE VALUES OF SAID CACAPACITOR AND SAID SECOND INDUCTOR.
Claim 2
Dependent Claim
194 words
A PULSE GENERATOR FOR PRODUCING AN ASYMMETRICAL OUTPUT VOLTAGE COMPRISED OF FIRST AND SECOND PERIODS OF DIFFERENT DURATIONS COMPRISING (A) FIRST AND SECOND TRANSISTORS OF OPPOSITE CONDUCTIVITY TYPES EACH HAVING FIRST, SECOND, AND THIRD ELECTRODES, THE FIRST ELECTRODES OF SAID FIRST AND SECOND TRANSISTORS BEING COUPLED TOGETHER, (B) A FIRST INDUCTOR COUPLED BETWEEN THE SECOND AND THIRD ELECTRODES OF SAID FIRST TRANSISTOR, (C) A SECOND INDUCTOR AND A CAPACITOR COUPLED BETWEEN THE THIRD ELECTRODE OF SAID FIRST TRANSISTOR AND THE SECOND ELECTRODE OF SAID SECOND TRANSISTOR, (D) AN ASYMMETRICALLY CONDUCTING DEVICE COUPLED BETWEEN THE FIRST AND SECOND ELECTRODES OF SAID SECOND TRANSISTOR, CURRENT FLOW THROUGH SAID DEVICE BEING IN THE OPPOSITE DIRECTION WITH RESPECT TO SAID FIRST AND SECOND ELECTRODES FROM THE DIRECTION OF CURRENT FLOW THROUGH SAID SECOND TRANSISTOR, AND (E) FEEDBACK MEANS COUPLED BETWEEN THE THIRD ELECTRODE OF SAID SECOND TRANSISTOR AND THE SECOND ELECTRODE OF SAID FIRST TRANSISTOR, THE VOLTAGE BETWEEN SAID FIRST AND THIRD ELECTRODES OF SAID TRANSISTOR HAVING A FIRST PERIOD DETERMINED BY THE VALUES OF SAID CAPACITOR AND SAID FIRST AND SECOND INDUCTORS AND A SECOND PERIOD DETERMINED BY THE VALUES OF SAID CACAPACITOR AND SAID SECOND INDUCTOR.
References Cited (Backward Citations)
US2743392A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |