Patent US3201593A successfully refreshed from Google Patents.
US3201593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low power drain pulse formers
Assignee: General Time Corp
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Filing: 1961-04-04
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Granted: 1965-08-17
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Expires: 1981-04-04
Abstract
No abstract record available.
Inventors
- 👤 Wilmer C Anderson
- 👤 Sanford J Demby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:24
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
IN A SATURABLE CORE PULSE FORMER HAVING A CORE MAGNETIZING WINDING AND A DIRECT CURRENT POWER SOURCE, FIRST AND SECOND NORMALLY OPEN ELECTRONIC SWITCHING DEVICES EACH HAVING A CONTROL ELECTRODE, MEANS FOR CONNECTING THE CONTROL ELECTRODE OF THE FIRST DEVICE TO A SOURCE OF TRIGGERING IMPULSES FOR CLOSING THE FORST DEVICE FOR THE DURATION OF EACH IMPULSE, SAID FIRST SWITCHING DEVICE BEING CONNECTED IN CIRCUIT WITH SAID MAGNETIZING WINDING AND SAID POWER SOURCE, SAID SECOND SWITCHING DEVICE COUPLING SAID POWER SOURCE WITH THE CONTROL ELECTRODE OF SAID FIRST DEVICE TO MAINTAIN SAID FIRST SWITCHING DEVICE CLOSED WHEN THE SECOND SWITCHING DEVICE IS CLOSED, SAID FIRST SWITCHING DEVICE ALSO COUPLING SAID POWER SOURCE TO THE CONTROL ELECTRODE OF THE SECOND SWITCHING DEVICE TO CLOSE THE SECOND SWITCHING DEVICE WHEN THE FIRST SWITCHING DEVICE CLOSES, AND TIME DELAY MEANS FOR UNCOUPLING THE INPUT ELECTRODE OF THE SECOND DEVICE A GIVEN INTERVAL AFTER THE FIRST SWITCHING DEVICE IS CLOSED TO SUCCESSIVELY OPEN THE SECOND AND FIRST SWITCHING DEVICES AND TERMINATE THE MAGNETIZING WINDING CURRENT.
Claim 2
Dependent Claim
171 words
IN A SATURABLE CORE PULSE FORMER HAVING A CORE MAGNETIZING WINDING AND A DIRECT CURRENT POWER SOURCE, FIRST AND SECOND NORMALLY OPEN ELECTRONIC SWITCHING DEVICES EACH HAVING A CONTROL ELECTRODE, MEANS FOR CONNECTING THE CONTROL ELECTRODE OF THE FIRST DEVICE TO A SOURCE OF TRIGGERING IMPULSES FOR CLOSING THE FORST DEVICE FOR THE DURATION OF EACH IMPULSE, SAID FIRST SWITCHING DEVICE BEING CONNECTED IN CIRCUIT WITH SAID MAGNETIZING WINDING AND SAID POWER SOURCE, SAID SECOND SWITCHING DEVICE COUPLING SAID POWER SOURCE WITH THE CONTROL ELECTRODE OF SAID FIRST DEVICE TO MAINTAIN SAID FIRST SWITCHING DEVICE CLOSED WHEN THE SECOND SWITCHING DEVICE IS CLOSED, SAID FIRST SWITCHING DEVICE ALSO COUPLING SAID POWER SOURCE TO THE CONTROL ELECTRODE OF THE SECOND SWITCHING DEVICE TO CLOSE THE SECOND SWITCHING DEVICE WHEN THE FIRST SWITCHING DEVICE CLOSES, AND TIME DELAY MEANS FOR UNCOUPLING THE INPUT ELECTRODE OF THE SECOND DEVICE A GIVEN INTERVAL AFTER THE FIRST SWITCHING DEVICE IS CLOSED TO SUCCESSIVELY OPEN THE SECOND AND FIRST SWITCHING DEVICES AND TERMINATE THE MAGNETIZING WINDING CURRENT.
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |