Patent US3223946A successfully refreshed from Google Patents.
US3223946A
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US
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Wide range multivibrator circuit
Assignee: Individual
•
Filing: 1961-05-26
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Granted: 1965-12-14
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Expires: 1981-05-26
Abstract
No abstract record available.
Inventors
- 👤 Robert S Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:28
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/18; B; B23; B23H; B23H1/00; B23H1/02; B23H1/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
AN ASTABLE MULTIVIBRATOR CIRCUIT FOR PROVIDING WIDE RANGE ON-OFF RATIO OPERATION COMPRISING A PAIR OF ELECTRON SWITCHES INTERCONNECTED FOR ALTERNATE CONDUCTION, EACH OF SAID SWITCHES HAVING A CONTROL ELEMENT, AN INPUT AND AN OUTPUT POWER TERMINAL, AN ADJUSTABLE RESISTANCE CAPACITANCE NETWORK OPERATIVELY CONNECTED TO SAID SWITCHES FOR DETERMINING THEIR RELATIVE CONDUCTIVE TIMES, AND AT LEAST ONE SHUNT CHARGING DIODE CONNECTED BETWEEN THE INPUT TERMINAL AND CNTROL ELEMENT OF ONE OF SAID SIWTCHES AND CONNECTED WITH LIKE POLARITY TO SAID INPUT TERMINAL AND SAID CONTROL ELEMENT AND PHASED TO PROVIDE AN ELECTRON FLOW IN THE CONDUCTIVE STATE OF ITS ASSOCIATED SWITCH.
Claim 2
Dependent Claim
100 words
AN ASTABLE MULTIVIBRATOR CIRCUIT FOR PROVIDING WIDE RANGE ON-OFF RATIO OPERATION COMPRISING A PAIR OF ELECTRON SWITCHES INTERCONNECTED FOR ALTERNATE CONDUCTION, EACH OF SAID SWITCHES HAVING A CONTROL ELEMENT, AN INPUT AND AN OUTPUT POWER TERMINAL, AN ADJUSTABLE RESISTANCE CAPACITANCE NETWORK OPERATIVELY CONNECTED TO SAID SWITCHES FOR DETERMINING THEIR RELATIVE CONDUCTIVE TIMES, AND AT LEAST ONE SHUNT CHARGING DIODE CONNECTED BETWEEN THE INPUT TERMINAL AND CNTROL ELEMENT OF ONE OF SAID SIWTCHES AND CONNECTED WITH LIKE POLARITY TO SAID INPUT TERMINAL AND SAID CONTROL ELEMENT AND PHASED TO PROVIDE AN ELECTRON FLOW IN THE CONDUCTIVE STATE OF ITS ASSOCIATED SWITCH.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |