Patent US2029700A successfully refreshed from Google Patents.
Patent US3078404A successfully refreshed from Google Patents.
US3078404A
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Digital control system for positioning shafts
Assignee: Societe dElectronique et dAutomatisme SA
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Filing: 1959-12-08
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Granted: 1963-02-19
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Expires: 1979-12-08
Abstract
No abstract record available.
Inventors
- 👤 Dumaire Marc Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:28
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/19; G05B19/27; G05B19/29; G05B19/291; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/300896
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A DIGITAL CONTROL SYSTEM FOR POSITIONING A SHAFT IN ACCORDANCE WITH DIGITAL CODES READ OUT FROM A TAPE UPON WHICH THESE CODES ARE RECORDED IN SEVERAL CHARACTERS THE FIRST OF WHICH GIVES THE DIRECTION OF ROTATION TO BE IMPARTED TO THE SHAFT, COMPRISING THE COMBINATION OF FIRST AND SECOND SHAFTS, A POSITION INDEXING MEMBER CONNECTED TO THE FIRST SHAFT, A POSITION INDEX READING MEMBER CONNECTED TO THE SECOND SHAFT, MEANS FOR CONTROLLING A STEPBY-STEP ROTATION OF SAID FIRST SHAFT FROM THE READING-OUT OF THE CHARACTERS OF A DIGITAL CODE FROM THE TAPE AND SIMULTANEOUSLY MAINTAINING AT REST THE SAID SECOND SHAFT, MOTOR MEANS FOR THEREAFTER CONTROLLING THE ROTATION OF SAID SECOND SHAFT UP TO THE COINCIDENCE OF THE SAID POSITION INDEXING MEMBER AND SAID POSITION INDEX READING MEMBER, AND AUTOMATIC SWITCHING MEANS FOR REPEATEDLY ACTIVATING THE SAID FIRST AND SECOND SHAFT ROTATION CONTROLLING MEANS IN AN ALTERNATE CHANGE-OVER OF THEIR OPERATIONS.
Claim 2
Dependent Claim
151 words
A DIGITAL CONTROL SYSTEM FOR POSITIONING A SHAFT IN ACCORDANCE WITH DIGITAL CODES READ OUT FROM A TAPE UPON WHICH THESE CODES ARE RECORDED IN SEVERAL CHARACTERS THE FIRST OF WHICH GIVES THE DIRECTION OF ROTATION TO BE IMPARTED TO THE SHAFT, COMPRISING THE COMBINATION OF FIRST AND SECOND SHAFTS, A POSITION INDEXING MEMBER CONNECTED TO THE FIRST SHAFT, A POSITION INDEX READING MEMBER CONNECTED TO THE SECOND SHAFT, MEANS FOR CONTROLLING A STEPBY-STEP ROTATION OF SAID FIRST SHAFT FROM THE READING-OUT OF THE CHARACTERS OF A DIGITAL CODE FROM THE TAPE AND SIMULTANEOUSLY MAINTAINING AT REST THE SAID SECOND SHAFT, MOTOR MEANS FOR THEREAFTER CONTROLLING THE ROTATION OF SAID SECOND SHAFT UP TO THE COINCIDENCE OF THE SAID POSITION INDEXING MEMBER AND SAID POSITION INDEX READING MEMBER, AND AUTOMATIC SWITCHING MEANS FOR REPEATEDLY ACTIVATING THE SAID FIRST AND SECOND SHAFT ROTATION CONTROLLING MEANS IN AN ALTERNATE CHANGE-OVER OF THEIR OPERATIONS.
References Cited (Backward Citations)
US2770798A
Cited
US2885613A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |