Patent US3286528A successfully refreshed from Google Patents.
US3286528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for measuring forces by application of the hall effect
Assignee: Thales Avionics SAS
•
Filing: 1964-05-07
•
Granted: 1966-11-22
•
Expires: 1984-05-07
Abstract
No abstract record available.
Inventors
- 👤 Jullien-Davin Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:13
CPC Classifications
G; G01; G01L; G01L11/00; G01L11/004; G01L11/008; G01L1/00; G01L1/12; G01L1/122; Y; Y10; Y10S; Y10S73/00; Y10S73/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
DEVICE FOR MEASURING A FORCE WHICH IS EXTERTED ON A MOVABLE MEMBER, SAID DEVICE COMPRISING: MEANS FOR PRODUCING A MAGNETIC FIELD; A HALL GENERATOR COMPRISING A SEMICONDUCTOR STRIP HAVING INPUT AND OUTPUT TERMINALS, THE SEMICONDUCTOR STRIP BEING DISPOSED IN SAID MAGNETIC FIELD AND AT RIGHT ANGLES TO SAID FIELD AND THE INPUT TERMINALS OF THE SEMICONDUCTOR STRIP BEING CONNECTED TO A CONTROL CIRCUIT COMPRISING A CONTROL CURRENT SOURCE; AND ELECTRIC CONDUCTOR PLACED IN THE MAGNETIC FIELD IN SUCH A MANNER AS TO CUT THE LINES OF FORCE THEREOF, THE ELECTRIC CONDUCTOR BEING COUPLED TO SAID MOVABLE MEMBER AND CONNECTED IN SERIES WITH THE HALL GENERATOR IN SAID CONTROL CIRCUIT; MEANS FOR DETECTING THE POSITION OF THE MOVABLE MEMBER
Claim 2
Dependent Claim
118 words
DEVICE FOR MEASURING A FORCE WHICH IS EXTERTED ON A MOVABLE MEMBER, SAID DEVICE COMPRISING: MEANS FOR PRODUCING A MAGNETIC FIELD; A HALL GENERATOR COMPRISING A SEMICONDUCTOR STRIP HAVING INPUT AND OUTPUT TERMINALS, THE SEMICONDUCTOR STRIP BEING DISPOSED IN SAID MAGNETIC FIELD AND AT RIGHT ANGLES TO SAID FIELD AND THE INPUT TERMINALS OF THE SEMICONDUCTOR STRIP BEING CONNECTED TO A CONTROL CIRCUIT COMPRISING A CONTROL CURRENT SOURCE; AND ELECTRIC CONDUCTOR PLACED IN THE MAGNETIC FIELD IN SUCH A MANNER AS TO CUT THE LINES OF FORCE THEREOF, THE ELECTRIC CONDUCTOR BEING COUPLED TO SAID MOVABLE MEMBER AND CONNECTED IN SERIES WITH THE HALL GENERATOR IN SAID CONTROL CIRCUIT; MEANS FOR DETECTING THE POSITION OF THE MOVABLE MEMBER
References Cited (Backward Citations)
US2620665A
Cited
US2988650A
Cited
GB782774A
Cited
US2849669A
Cited
US3081637A
Cited
US3131564A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |