US3196900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic control apparatus
Assignee: Schneider Electric Systems USA Inc
•
Filing: 1961-04-26
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Granted: 1965-07-27
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Expires: 1981-04-26
Abstract
No abstract record available.
Inventors
- 👤 Allan R Catheron
- 👤 Leon G S Wood
- 👤 Wilfred H Howe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:28
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/06; G05D7/0617; G05D7/0629; G05D7/0635; Y; Y10; Y10T; Y10T137/00; Y10T137/2713; Y10T137/2774; Y10T137/2802; Y10T137/2815; Y10T137/2822; Y10T137/7722; Y10T137/7758; Y10T137/7759; Y10T137/7761
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
PROCESS CONTROL APPARATUS COMPRISING, IN COMBINATION, MEANS FOR DEVELOPING A MEASUREMENT SIGNAL REPRESENTING THE ACTUAL VALUE OF THE CONTROLLED PROCESS CONDITION, WITH A RAPIDLY FLUCTUATING SIGNAL SUPERIMPOSED THEREON, AN INSTRUMENTALITY RESPONSIVE TO SAID MEASUREMENT SIGNAL AND INCLUDING MEANS FOR PRODUCTION AND OUTPUT SIGNAL CORRESPONDING TO THE AVERAGE DURATION OF TIME THATE THE VALUE OF SAID MEASUREMENT SIGNAL DEVIATES BEYOND A SELECTED VALUE, MEANS RESPONSIVE TO SAID RAPIDLY FLUCTUATING SIGNAL FOR ADJUSTING SAID SELECTED VALUE IN ACCORDANCE WITH CHANGES IN THE AMPLITUDE OF SAID VLUCTUATING SIGNAL, AND MEANS RESPONSIVE TO SAID OUTPUT SIGNAL FOR EFFECTING CHANGES IN SAID PROCESS CONDITION.
Claim 2
Dependent Claim
99 words
PROCESS CONTROL APPARATUS COMPRISING, IN COMBINATION, MEANS FOR DEVELOPING A MEASUREMENT SIGNAL REPRESENTING THE ACTUAL VALUE OF THE CONTROLLED PROCESS CONDITION, WITH A RAPIDLY FLUCTUATING SIGNAL SUPERIMPOSED THEREON, AN INSTRUMENTALITY RESPONSIVE TO SAID MEASUREMENT SIGNAL AND INCLUDING MEANS FOR PRODUCTION AND OUTPUT SIGNAL CORRESPONDING TO THE AVERAGE DURATION OF TIME THATE THE VALUE OF SAID MEASUREMENT SIGNAL DEVIATES BEYOND A SELECTED VALUE, MEANS RESPONSIVE TO SAID RAPIDLY FLUCTUATING SIGNAL FOR ADJUSTING SAID SELECTED VALUE IN ACCORDANCE WITH CHANGES IN THE AMPLITUDE OF SAID VLUCTUATING SIGNAL, AND MEANS RESPONSIVE TO SAID OUTPUT SIGNAL FOR EFFECTING CHANGES IN SAID PROCESS CONDITION.
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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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |