Patent US4333793A successfully refreshed from Google Patents.
US3443232A
Expired / Lapsed
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Pulse forming circuit
Assignee: E H RESEARCH LAB Inc
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Filing: 1966-02-14
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Granted: 1969-05-06
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Expires: 1986-02-14
Abstract
No abstract record available.
Inventors
- 👤 Willis D Stinson Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:15
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
IN A PULSE FORMING CIRCUIT FOR GENERATING AN OUTPUT PULSE HAVING SHORT RISE AND FALL TIMES, AN AMPLIFIER HAVING A CATHODE, A CONTROL ELECTRODE AND AN ANODE, SAID CONTROL ELECTRODE BEING COUPLED TO A VOLTAGE REFERENCE LEVEL HOLDING SUCH ELECTRODE AT A FIXED PREDETERMINED VOLTAGE LEVEL, OUTPUT MEANS COUPLED TO SAID ANODE, MEANS FOR VARYING THE POTENTIAL OF SAID CATHODE WITHIN A PREDETERMINED RANGE, SUCH RANGE INCLUDING SAID VOLRAGE REFERENCE LEVEL, SUCH MEANS INCLUDING A CURRENT SOURCE COUPLED TO SAID CATHODE AND MEANS FOR DIVERTING CURRENT FROM SAID CATHODE TO MAINTAIN SUCH AMPLIFIER IN A QUIESCENT, NON-CONDUCTIVE CONDITION, CONTROL MEANS INCLUDING
Claim 2
Dependent Claim
101 words
IN A PULSE FORMING CIRCUIT FOR GENERATING AN OUTPUT PULSE HAVING SHORT RISE AND FALL TIMES, AN AMPLIFIER HAVING A CATHODE, A CONTROL ELECTRODE AND AN ANODE, SAID CONTROL ELECTRODE BEING COUPLED TO A VOLTAGE REFERENCE LEVEL HOLDING SUCH ELECTRODE AT A FIXED PREDETERMINED VOLTAGE LEVEL, OUTPUT MEANS COUPLED TO SAID ANODE, MEANS FOR VARYING THE POTENTIAL OF SAID CATHODE WITHIN A PREDETERMINED RANGE, SUCH RANGE INCLUDING SAID VOLRAGE REFERENCE LEVEL, SUCH MEANS INCLUDING A CURRENT SOURCE COUPLED TO SAID CATHODE AND MEANS FOR DIVERTING CURRENT FROM SAID CATHODE TO MAINTAIN SUCH AMPLIFIER IN A QUIESCENT, NON-CONDUCTIVE CONDITION, CONTROL MEANS INCLUDING
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) | 1972-05-05 | 1972-11-04 | 1973-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-05 | 1976-11-04 | 1977-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-05 | 1980-11-04 | 1981-05-06 | $7700.00 | Window Closed / Lapsed |