US3202938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-blocking multivibrator
Assignee: Svenska Relafabriken ABN AB
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Filing: 1961-05-12
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Granted: 1965-08-24
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Expires: 1981-05-12
Abstract
No abstract record available.
Inventors
- 👤 Eklov David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:59
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/282; H03K3/2823
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A DEVICE FOR GENERATING REPEATED TRAINS OF PULSES COMPRISING A SELF-BLOCKING MULTIVIBRATOR CIRCUIT HAVING TWO AMPLIFIER ELEMENTS OPERATING IN PHASE OPPOSITION, AND A DIRECT CURRENT SOURCE FOR SUPPLYING THE NECESSARY OPERATING POWER TO THE MULTIVIBRATOR CIRCUIT, EACH OF SAID AMPLIFIER ELEMENTS HAVING AT LEAST THREE ELECTRODES INCLUDING A FIRST ELECTRODE, A SECOND ELECTRODES SERVING AS CONTROL ELECTRODE AND A THIRD ELECTRODE, SAID FIRST ELECTRODES BEING CONNECTED THROUGH A RESISTANC MEANS TO A FIRST POLE OF SAID DIRECT CURRENT SOURCE, SAID THIRD ELECTRODES BEING CONNECTED TO A SECOND POLE OF SAID DIRECT CURRENT SOURCE, SAID CONTROL ELECTRODE OF EACH AMPLIFIER ELEMENT
Claim 2
Independent Claim
100 words
A DEVICE FOR GENERATING REPEATED TRAINS OF PULSES COMPRISING A SELF-BLOCKING MULTIVIBRATOR CIRCUIT HAVING TWO AMPLIFIER ELEMENTS OPERATING IN PHASE OPPOSITION, AND A DIRECT CURRENT SOURCE FOR SUPPLYING THE NECESSARY OPERATING POWER TO THE MULTIVIBRATOR CIRCUIT, EACH OF SAID AMPLIFIER ELEMENTS HAVING AT LEAST THREE ELECTRODES INCLUDING A FIRST ELECTRODE, A SECOND ELECTRODES SERVING AS CONTROL ELECTRODE AND A THIRD ELECTRODE, SAID FIRST ELECTRODES BEING CONNECTED THROUGH A RESISTANC MEANS TO A FIRST POLE OF SAID DIRECT CURRENT SOURCE, SAID THIRD ELECTRODES BEING CONNECTED TO A SECOND POLE OF SAID DIRECT CURRENT SOURCE, SAID CONTROL ELECTRODE OF EACH AMPLIFIER ELEMENT
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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |