Patent US3192371A successfully refreshed from Google Patents.
US3192371A
Expired / Lapsed
US
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Feedback integrating system
Assignee: RTX Corp
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Filing: 1961-09-14
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Granted: 1965-06-29
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Expires: 1981-09-14
Abstract
No abstract record available.
Inventors
- 👤 Charles B Brahm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:30
CPC Classifications
H; H03; H03M; H03M1/00; G; G01; G01D; G01D1/00; G01D1/04; H03M1/001
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
70 words
A FEEDBACK INTEGRATING SYSTEM INCLUDING IN COMBINATION A SOURCE OF AN ANALOG QUANTITY, AN ANALOG INTEGRATOR, A WEIGHTED-BIT ANALOG-TO-DIGITAL CONVERTER PROVIDING AN OUTPUT, MEANS FOR SAMPLING THE OUTPUT, MEANS FOR STORING THE SAMPLED OUTPUT, MEANS COUPLING THE ANALOG INTEGRATOR TO THE ANALOG-TO-DIGITAL CONVERTER, A WEIGHTED-BIT DIGIAL-TOANALOG CONVERTER, MEANS COUPLING THE STORING MEANS TO THE DIGITAL-TO-ANALOG CONVERTER, AND MEANS COUPLING THE ANALOG SOURCE AND THE DIGITAL-TO-ANALOG CONVERTER TO THE ANALOG INTEGRATOR.
References Cited (Backward Citations)
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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) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |