US3174109A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement for eliminating drift of integrator output voltage
Assignee: Thales SA
•
Filing: 1962-01-16
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Granted: 1965-03-16
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Expires: 1982-01-16
Abstract
No abstract record available.
Inventors
- 👤 Marchais Jean-Claude
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:38
CPC Classifications
H; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/10; H03K4/12; H03K4/20; G; G06; G06G; G06G7/00; G06G7/12; G06G7/18; G06G7/184; G06G7/186; H03K4/066; H03K6/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
69 words
A DRIFT-ELIMINATING ARRANGEMENT COMPRISING AN INTEGRATOR TUBE, A REFERENCE TUBE, EACH OF SAID TWO TUBES DEVELOPING POTENTIALS SUSCEPTIBLE TO VARY DURING OPERATION THEREOF, COMPARING MEANS FOR COMPARING THE POTENTIALS DEVELOPED BY SAID TWO TUBES TO PROVIDE AN OUTPUT VOLTAGE, MEANS FOR PRODUCING A BIAS VOLTAGE DERIVED FROM SAID OUTPUT VOLTAGE, AND MEANS FOR APPLYING SAID BIAS VOLTAGE TO SAID TWO TUBES THEREBY SUBSTANTIALLY ELIMINATE DRIFT FROM SAID INTEGRATOR TUBE.
References Cited (Backward Citations)
US2583587A
Cited
US2779872A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |