US3283230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Momentum compensation in control means for electrical positioning means
Assignee: Associated Electrical Industries Ltd
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Filing: 1963-07-10
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Granted: 1966-11-01
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Expires: 1983-07-10
Abstract
No abstract record available.
Inventors
- 👤 Davies Richard Edward
- 👤 Nathan Antony Charles
- 👤 Gopa Edayathu Minakshisundaram
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:02
CPC Classifications
H; H02; H02P; H02P7/00; H02P7/06; H02P7/18; H02P7/34; B; B01; B01J; B01J23/00; B01J23/16; B01J23/24; B01J23/28; C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/06; C07D213/14; G; G05; G05D; G05D3/00; G05D3/12; G05D3/121; G05D3/122
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
CONTROL MEANS FOR ELECTRICAL POSITIONING MEANS COMPRISING: (A) ENERGISATION CONTOLLING MEANS ARRANGED TO CONTROL THE DEGREE OF ENERGISATION OF THE ELECTRICAL POSITIONING MEANS; (B) ERROR MEASURING MEANS SENSITIVE TO THE MAGNITUDE OF A POSITIONAL ERROR TO BE CORRECTED BY THE POSITIONING MEANS; (C) SPEED MEASURING MEANS SENSITIVE TO THE RATE AT WHICH THE POSITIONING MEANS ARE OPERATING TO CORRECT THIS ERROR; (D) POWER SENSITIVE MEANS SENSITIVE TO THE RATE AT WHICH USEFUL ELECTRICAL POWER IS BEING DEVELOPED BY THE POSITIONING MEANS; (E) ACCELERATION MEASURING MEANS ACTIVATED BY THE SPEED MEASURING MEANS AND PROVIDING A MEASURE OF THE INSTANTANEOUS ACCELERATION OF THE POSITIONING MEANS; (F) INERTIA DETERMINING MEANS ACTIVATED BY THE ACCELERATION MEASURING MEANS AND THE POWER SENSITIVE MEANS AND PROVIDING A MEASURE OF THE APPARENT INERTIA OF THE PARTS BEING ACCELERATED; (G) MEANS BY WHICH THE ENERGISATION CONTROLLING MEANS ARE AUTOMATICALLY ADJUSTED IN ACCORDANCE WITH THE MEASURED ERROR, THE SPEED OF THE POSITIONING MEANS, AND THE MEASURED INERTIA TO PRODUCE MOVEMENT OF THE POOSITIONING MEANS TO ELIMINATE THE POSITIONAL ERROR WITH LITTLE IF ANY OVERSHOOT.
Claim 2
Dependent Claim
175 words
CONTROL MEANS FOR ELECTRICAL POSITIONING MEANS COMPRISING: (A) ENERGISATION CONTOLLING MEANS ARRANGED TO CONTROL THE DEGREE OF ENERGISATION OF THE ELECTRICAL POSITIONING MEANS; (B) ERROR MEASURING MEANS SENSITIVE TO THE MAGNITUDE OF A POSITIONAL ERROR TO BE CORRECTED BY THE POSITIONING MEANS; (C) SPEED MEASURING MEANS SENSITIVE TO THE RATE AT WHICH THE POSITIONING MEANS ARE OPERATING TO CORRECT THIS ERROR; (D) POWER SENSITIVE MEANS SENSITIVE TO THE RATE AT WHICH USEFUL ELECTRICAL POWER IS BEING DEVELOPED BY THE POSITIONING MEANS; (E) ACCELERATION MEASURING MEANS ACTIVATED BY THE SPEED MEASURING MEANS AND PROVIDING A MEASURE OF THE INSTANTANEOUS ACCELERATION OF THE POSITIONING MEANS; (F) INERTIA DETERMINING MEANS ACTIVATED BY THE ACCELERATION MEASURING MEANS AND THE POWER SENSITIVE MEANS AND PROVIDING A MEASURE OF THE APPARENT INERTIA OF THE PARTS BEING ACCELERATED; (G) MEANS BY WHICH THE ENERGISATION CONTROLLING MEANS ARE AUTOMATICALLY ADJUSTED IN ACCORDANCE WITH THE MEASURED ERROR, THE SPEED OF THE POSITIONING MEANS, AND THE MEASURED INERTIA TO PRODUCE MOVEMENT OF THE POOSITIONING MEANS TO ELIMINATE THE POSITIONAL ERROR WITH LITTLE IF ANY OVERSHOOT.
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) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |