US3253471A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for indicating angular velocities or/and accelerations
Assignee: Compagnie Francaise Thomson Houston SA
•
Filing: 1962-12-06
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Granted: 1966-05-31
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Expires: 1982-12-06
Abstract
No abstract record available.
Inventors
- 👤 Maillard Ferdinand Jean Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:09
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/005; G01C19/02; G01C19/04; G01C21/00; G01C21/10; G01P; G01P15/00; G01P15/02; G01P15/08; G01P15/0888
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
IN A SYSTEM FOR INDICATING MOTION, IN COMBINATION, A SUPPORTING STRUCTURE ROTATABLE AT HIGH VELOCITY ABOUT AN AXIS NORMAL TO A COMPONENT OF AN ACCELERATION TO BE INDICATED; A PAIR OF MASSES CARRIED BY SAID STRUCTURE AND DISPOSED ON OPPOSITE SIDES OF SAID AXIS; MOUNTING MEANS JOINING SAID MASSES TO SAID STRUCTURE WITH THE FREEDOM MEANS LIMITED RADIAL DISPLACEMENT TOWARDS AND AWAY FROM SAID AXIS; SPRING MEANS RESTRAINING SUCH DISPLACEMENT WHEREBY SAID MASSES WILL UNDERGO OSCILLATORY MOVEMENTS IN RESPONSE TO SAID ACCELERATION ABOUT MEAN POSITIONS OF EQUILIBRIUM DETERMINED BY THE MUTUALLY OPPOSING ACTIONS OF SAID SPRING MEANS THE CENTRIFUGAL FORCE INDUCED BY SAID VELOCITY; ELECTRIC CIRCUIT MEANS INCLUDING CAPACITIVE PICK-OFF MEANS ASSOCIATED WITH EACH MASS AND SAID STRUCTURE FOR CONVERTING SAID OSCILLATORY MOVEMENT INTO FLUCTUATING CAPACITANCES; FIRST AND SECOND OSCILLATOR MEANS CONNECTED TO SAID PICK-OFF MEANS FOR RESPECTIVELY GENERATING A FIRST AND A SECOND OSCILLATORY ELECTRIC SIGNALS FRE-
Claim 2
Dependent Claim
148 words
IN A SYSTEM FOR INDICATING MOTION, IN COMBINATION, A SUPPORTING STRUCTURE ROTATABLE AT HIGH VELOCITY ABOUT AN AXIS NORMAL TO A COMPONENT OF AN ACCELERATION TO BE INDICATED; A PAIR OF MASSES CARRIED BY SAID STRUCTURE AND DISPOSED ON OPPOSITE SIDES OF SAID AXIS; MOUNTING MEANS JOINING SAID MASSES TO SAID STRUCTURE WITH THE FREEDOM MEANS LIMITED RADIAL DISPLACEMENT TOWARDS AND AWAY FROM SAID AXIS; SPRING MEANS RESTRAINING SUCH DISPLACEMENT WHEREBY SAID MASSES WILL UNDERGO OSCILLATORY MOVEMENTS IN RESPONSE TO SAID ACCELERATION ABOUT MEAN POSITIONS OF EQUILIBRIUM DETERMINED BY THE MUTUALLY OPPOSING ACTIONS OF SAID SPRING MEANS THE CENTRIFUGAL FORCE INDUCED BY SAID VELOCITY; ELECTRIC CIRCUIT MEANS INCLUDING CAPACITIVE PICK-OFF MEANS ASSOCIATED WITH EACH MASS AND SAID STRUCTURE FOR CONVERTING SAID OSCILLATORY MOVEMENT INTO FLUCTUATING CAPACITANCES; FIRST AND SECOND OSCILLATOR MEANS CONNECTED TO SAID PICK-OFF MEANS FOR RESPECTIVELY GENERATING A FIRST AND A SECOND OSCILLATORY ELECTRIC SIGNALS FRE-
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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) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |