US3215855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High speed pulse forming network including constant current grounded base transistor
Assignee: International Business Machines Corp
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Filing: 1962-07-03
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Granted: 1965-11-02
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Expires: 1982-07-03
Abstract
No abstract record available.
Inventors
- 👤 James N Cole
- 👤 Henry R Foglia
- 👤 James R Kiseda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:12
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/01; H03K5/04; H03K5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A CIRCUIT FOR SUPPLYING HIGH REPETITION RATE PULSES TO A LOAD COMPRISING (A) A DELAY LINE, (B) MEANS FOR CHARGING SAID DELAY LINE, (C) MEANS INCLUDING A FIRST TRANSISTOR FOR DISCHARGING SAID DELAY LINE WHEN CONDUCTIVE, (D) MEANS FOR SELECTIVELY RENDERING SAID FIRST TRANSISTOR CONDUCTIVE, AND (E) A SUBSTANTIAL CONSTANT CURRENT SOURCE MEANS INCLUDING A SECOND GROUNDED BASE TRANSISTOR CONNECTED IN THE DISCHARGE CIRCUIT OF SAID DELAY LINE AND SAID LOAD BEING CONNECTED IN THE COLLECTOR PATH OF SAID SECOND TRANSISTOR.
Claim 2
Dependent Claim
81 words
A CIRCUIT FOR SUPPLYING HIGH REPETITION RATE PULSES TO A LOAD COMPRISING (A) A DELAY LINE, (B) MEANS FOR CHARGING SAID DELAY LINE, (C) MEANS INCLUDING A FIRST TRANSISTOR FOR DISCHARGING SAID DELAY LINE WHEN CONDUCTIVE, (D) MEANS FOR SELECTIVELY RENDERING SAID FIRST TRANSISTOR CONDUCTIVE, AND (E) A SUBSTANTIAL CONSTANT CURRENT SOURCE MEANS INCLUDING A SECOND GROUNDED BASE TRANSISTOR CONNECTED IN THE DISCHARGE CIRCUIT OF SAID DELAY LINE AND SAID LOAD BEING CONNECTED IN THE COLLECTOR PATH OF SAID SECOND TRANSISTOR.
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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |