Patent US3176171A successfully refreshed from Google Patents.
US3176171A
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Electromagnetic oscillatory drive
Assignee: CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement
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Filing: 1962-03-09
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Granted: 1965-03-30
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Expires: 1982-03-09
Abstract
No abstract record available.
Inventors
- 👤 Baumgartner Werner Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:02
CPC Classifications
G; G04; G04C; G04C3/00; G04C3/08; G04C3/10; G04C3/101; G04C3/107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
AN OSCILLATORY MOTOR FOR CONTROLLING AN ELECTRONIC TIME-PIECE COMPRISING, AN ELECTRONIC CIRCUIT FOR ENERGIZING SAID MOTOR INCLUDING A DRIVING WINDING AND A CONTROL WINDING, A U-SHAPED FERROMAGNETIC CORE INCLUDING TWO LEGS CARRYING RESPECTIVELY SAID DRIVING WINDING AND SAID CONTROL WINDING, THE FREE TERMINAL SURFACES OF WHICH ARE SEPARATED BY A VERY NARROW GAP OF ABOUT 0.1 MM., AT A SMALL DISTANCE THEREFROM, A MAGNET BAR, THE LONGITUDINAL AXIS OF SAID BAR EXTENDING PERPENDICULARLY TO THE TERMINAL SURFACES OF THE CORE LEGS AND PASSING NORMALLY THROUGH THE MIDDLE OF SAID GAP TO OSCILLATE IN FRONT OF THE GAP UNDER THE ACTION OF THE COOPERATING ELECTRONIC CIRCUIT, AND A U-SHAPED ARMATURE, INCLUDING TWO LEGS EXTENDING SYMMETRICALLY TO EITHER SIDE OF SAID MAGNET BAR, IN PARALLELISM THEREWITH IN THE PLANE INCLUDING THE LONGITUDINAL AXES OF THE CORE LEGS.
Claim 2
Dependent Claim
135 words
AN OSCILLATORY MOTOR FOR CONTROLLING AN ELECTRONIC TIME-PIECE COMPRISING, AN ELECTRONIC CIRCUIT FOR ENERGIZING SAID MOTOR INCLUDING A DRIVING WINDING AND A CONTROL WINDING, A U-SHAPED FERROMAGNETIC CORE INCLUDING TWO LEGS CARRYING RESPECTIVELY SAID DRIVING WINDING AND SAID CONTROL WINDING, THE FREE TERMINAL SURFACES OF WHICH ARE SEPARATED BY A VERY NARROW GAP OF ABOUT 0.1 MM., AT A SMALL DISTANCE THEREFROM, A MAGNET BAR, THE LONGITUDINAL AXIS OF SAID BAR EXTENDING PERPENDICULARLY TO THE TERMINAL SURFACES OF THE CORE LEGS AND PASSING NORMALLY THROUGH THE MIDDLE OF SAID GAP TO OSCILLATE IN FRONT OF THE GAP UNDER THE ACTION OF THE COOPERATING ELECTRONIC CIRCUIT, AND A U-SHAPED ARMATURE, INCLUDING TWO LEGS EXTENDING SYMMETRICALLY TO EITHER SIDE OF SAID MAGNET BAR, IN PARALLELISM THEREWITH IN THE PLANE INCLUDING THE LONGITUDINAL AXES OF THE CORE LEGS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |