Patent US3304437A successfully refreshed from Google Patents.
US3304437A
Expired / Lapsed
US
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Single-shot multivibrator pulse width controlled by repetition rate
Assignee: Individual
•
Filing: 1963-08-20
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Granted: 1967-02-14
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Expires: 1983-08-20
Abstract
No abstract record available.
Inventors
- 👤 Paul K Dano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:09
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/284
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
IN COMBINATION, A ONE SHOT MULTIVIBRATOR HAVING TWO AMPLIFIERS WITH REGENERATIVE FEEDBACK CIRCUITS, RESPECTIVELY, FROM THE OUTPUT OF EACH AMPLIFIER TO THE INPUT OF THE OTHER AMPLIFIER, THE FEEDBACK CIRCUIT FROM THE OUTPUT OF ONE AMPLIFIER; INCLUDING IN SERIES A CONDENSER AND A VARIABLE RESISTANCE, MEANS FOR REGULATING THE RC TIME CONSTANT OF THE ONE FEEDBACK CIRCUIT, SAID VARIABLE RESISTANCE COMPRISING THE BASE-COLLECTOR CIRCUIT OF A TRANSISTOR, MEANS FOR SAMPLING THE PULSE SIGNAL VOLTAGE IN THE OUTPUT OF SAID ONE AMPLIFIER, MEANS FOR RECTIFYING AND SMOOTHING THE SAMPLED SIGNAL, AND MEANS FOR APPLYING THE SMOOTHED VOLTAGE TO THE EMITTER OF SAID TRANSISTOR TO CONTROL THE EFFECTIVE RESISTANCE OF THE BASE-COLLECTOR CIRCUIT AND TO CONTROL THE DURATION OF ONE STATE OF THE MULTIVIBRATOR AS A FUNCTION OF THE PULSE REPETITION RATE OF THE MULTIVIBRATOR.
Claim 2
Dependent Claim
133 words
IN COMBINATION, A ONE SHOT MULTIVIBRATOR HAVING TWO AMPLIFIERS WITH REGENERATIVE FEEDBACK CIRCUITS, RESPECTIVELY, FROM THE OUTPUT OF EACH AMPLIFIER TO THE INPUT OF THE OTHER AMPLIFIER, THE FEEDBACK CIRCUIT FROM THE OUTPUT OF ONE AMPLIFIER; INCLUDING IN SERIES A CONDENSER AND A VARIABLE RESISTANCE, MEANS FOR REGULATING THE RC TIME CONSTANT OF THE ONE FEEDBACK CIRCUIT, SAID VARIABLE RESISTANCE COMPRISING THE BASE-COLLECTOR CIRCUIT OF A TRANSISTOR, MEANS FOR SAMPLING THE PULSE SIGNAL VOLTAGE IN THE OUTPUT OF SAID ONE AMPLIFIER, MEANS FOR RECTIFYING AND SMOOTHING THE SAMPLED SIGNAL, AND MEANS FOR APPLYING THE SMOOTHED VOLTAGE TO THE EMITTER OF SAID TRANSISTOR TO CONTROL THE EFFECTIVE RESISTANCE OF THE BASE-COLLECTOR CIRCUIT AND TO CONTROL THE DURATION OF ONE STATE OF THE MULTIVIBRATOR AS A FUNCTION OF THE PULSE REPETITION RATE OF THE MULTIVIBRATOR.
References Cited (Backward Citations)
US3058113A
Cited
US3227891A
Cited
US3100876A
Cited
US3184604A
Cited
US3204124A
Cited
US3211926A
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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) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |