Patent US3566252A successfully refreshed from Google Patents.
US3566252A
Expired / Lapsed
US
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Method of and means for digital programming of regulated power supplies
Assignee: Forbro Design Corp
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Filing: 1968-10-01
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Granted: 1971-02-23
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Expires: 1988-10-01
Abstract
Abstract RELAY OPERATED SWITCHES ARE PROVIDED FOR PROGRAMMING A REGULATED POWER SUPPLY USING A CONTROL BRIDGE CIRCUIT. BIRDGE CURRENT AND VOLTAGE CONTROL RESISTORS ARE DIGITALLY SELECTED ADJUSTMENTS TO COMPENSATE FOR THE SWITCH RESISTANCE ARE USED FOR IMPROVING ACCURACY IN SUCH A CONFIGURATION.
Inventors
- 👤 Sarkis Nercessian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:25
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/46; G05F1/468
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 |