Patent US3566301A successfully refreshed from Google Patents.
US3566301A
Expired / Lapsed
US
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Multivibrator with linearly variable voltage controlled duty cycle
Assignee: Honeywell Inc
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Filing: 1968-11-13
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Granted: 1971-02-23
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Expires: 1988-11-13
Abstract
Abstract A MULTIVIBRATOR INCLUDING TWO TRANSISTORS AND A TIMING CAPACITOR, CONNECTED BETWEEN THE EMITTERS OF THE TRANSISTORS, WHICH IS CHARGED WITH A CONSTANT CURRENT. THE POTENTIALS AT THE TRANSISTOR BASES ARE ESTABLISHED BY CONTROLLABLE CURRENTS AND DETERMINE THE VOLTAGE TO WHICH THE TIMING CAPACITOR CHARGES. BY CHANGING THE VOLTAGE TO WHICH THE CONSTANT CURRENT CHARGES THE CAPACITOR, THE DUTY CYCLE OF THE MULTIVIBRATOR IS CHANGED.
Inventors
- 👤 Orrin H Grangaard Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:12
CPC Classifications
H; H03; H03K; H03K7/00; H03K7/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |