Patent US3207947A successfully refreshed from Google Patents.
US3207947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Triggered spark gap
Assignee: Revvity Inc
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Filing: 1962-02-27
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Granted: 1965-09-21
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Expires: 1982-02-27
Abstract
No abstract record available.
Inventors
- 👤 John H Goncz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:52
CPC Classifications
H; H01; H01T; H01T2/00; H01T2/02; H03; H03K; H03K3/00; H03K3/02; H03K3/53; H03K3/537
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
186 words
A TRIGGERED SPARK GAP COMPRISING: A CERAMIC ENVELOPE HAVING A HIGH VACUUM; A PAIR OF PRINCIPAL ELECTRODES HAVING LARGE ELECTRODE SURFACES DISPOSED SPACED FROM AND FACING EACH OTHER WITHING THE ENVELOPE, THE FIRST OF SAID PAIR OF PRINCIPAL ELECTRODES HAVING AN OPENING THEREIN; A NORMALLY INEFFECTIVE TRIGGER ELECTRODE DISPOSED IN THE SAID OPENING IN THE FIRST ELECTRODE; A HOLLOW INSULATING MEMBER ENCLOSING THE TRIGGER ELECTRODE EXCEPT AT A POINT ADJACENT TO THE FIRST PRINCIPAL ELECTRODE; AN AUXILIARY TRIGGER ELECTRODE DISPOSED ON THE OUTER SURFACE OF SAID INSULATING MEMBER ADJACENT SAID POINT; MEANS FOR CONNECTING THE TRIGGER ELECTRODE TO A SOURCE OF TRIGGERING IMPULSES OF SUFFICIENT POTENTIAL TO RENDER THE TRIGGER ELECTRODE EFFECTIVE TO PRODUCE A TRIGGERING ARC BETWEEN SAID TRIGGER ELECTRODE AND SAID AUXILIARY TRIGGER ELECTRODE; AND MEANS FOR CONNECTING THE PRINCIPAL ELECTRODES TO A SOURCE OF HIGH VOLTAGE POTENTIAL THEREBY CREATING A STRONG ELECTRIC FIELD ACROSS THE PRINCIPAL ELECTRODES, SAID HIGH VOLTAGE POTENTIAL BEING INEFFECTIVE TO CAUSE A DISCHARGE TO TAKE PLACE THEREBETWEEN IN THE ABSENCE OF A TRIGGERING ARC BUT BEING EFFECTIVE TO PRODUCE A SUDDEN DISCHARGE THEREBETWEEN WHEN SAID TRIGGERING ARC IS PRODUCED.
Claim 2
Dependent Claim
186 words
A TRIGGERED SPARK GAP COMPRISING: A CERAMIC ENVELOPE HAVING A HIGH VACUUM; A PAIR OF PRINCIPAL ELECTRODES HAVING LARGE ELECTRODE SURFACES DISPOSED SPACED FROM AND FACING EACH OTHER WITHING THE ENVELOPE, THE FIRST OF SAID PAIR OF PRINCIPAL ELECTRODES HAVING AN OPENING THEREIN; A NORMALLY INEFFECTIVE TRIGGER ELECTRODE DISPOSED IN THE SAID OPENING IN THE FIRST ELECTRODE; A HOLLOW INSULATING MEMBER ENCLOSING THE TRIGGER ELECTRODE EXCEPT AT A POINT ADJACENT TO THE FIRST PRINCIPAL ELECTRODE; AN AUXILIARY TRIGGER ELECTRODE DISPOSED ON THE OUTER SURFACE OF SAID INSULATING MEMBER ADJACENT SAID POINT; MEANS FOR CONNECTING THE TRIGGER ELECTRODE TO A SOURCE OF TRIGGERING IMPULSES OF SUFFICIENT POTENTIAL TO RENDER THE TRIGGER ELECTRODE EFFECTIVE TO PRODUCE A TRIGGERING ARC BETWEEN SAID TRIGGER ELECTRODE AND SAID AUXILIARY TRIGGER ELECTRODE; AND MEANS FOR CONNECTING THE PRINCIPAL ELECTRODES TO A SOURCE OF HIGH VOLTAGE POTENTIAL THEREBY CREATING A STRONG ELECTRIC FIELD ACROSS THE PRINCIPAL ELECTRODES, SAID HIGH VOLTAGE POTENTIAL BEING INEFFECTIVE TO CAUSE A DISCHARGE TO TAKE PLACE THEREBETWEEN IN THE ABSENCE OF A TRIGGERING ARC BUT BEING EFFECTIVE TO PRODUCE A SUDDEN DISCHARGE THEREBETWEEN WHEN SAID TRIGGERING ARC IS PRODUCED.
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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |