Patent US3220005A successfully refreshed from Google Patents.
US3220005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for determining the relative position of two objects
Assignee: Merlin Gerin SA
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Filing: 1963-02-25
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Granted: 1965-11-23
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Expires: 1983-02-25
Abstract
No abstract record available.
Inventors
- 👤 Benoit Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:44
CPC Classifications
B; B66; B66C; B66C15/00; B66C15/04; B66C15/045; G; G01; G01S; G01S1/00; G01S1/02; G01S11/00; G01S11/02; G01S11/06; G01S13/00; G01S13/88; G01S13/93; G01S13/931; G01S13/937; G01S2013/9329
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
DEVICE FOR DETERMINING THE RELATIVE POSITION OF TWO MOVABLE OBJECTS CONSTRAINED TO MOVE IN PREDETERMINED PARALLEL PATHS COMPRISING IN COMBINATION: A SOURCE OF ELECTROMAGNETIC WAVES MOUNTED ON ONE OF SAID TWO OBJECTS, A RECEIVER DEVICE MOUNTED ON THE OTHER OF SAID TWO OBJECTS, SAID RECEIVER DEVICE INCLUDING TWO RECEIVERS FOR SAID WAVES HAVING TWO ANTENNAS DISPOSED ONE RELATIVE TO THE OTHER TO PROVIDE A PARTIAL OVERLAPPING OF THEIR DIRECTIVITY DIAGRAMS, SAID RECEIVER DEVICE BEING OFFSET RELATIVE TO THE SOURCE PERPENDICULAR TO THE DIRECTION OF DISPLACEMENT OF THE SOURCE, SAID TWO RECEIVERS OF SAID RECEIVER DEVICE INCLUDING MEANS TO DETECT THE MAGNITUDE OF THE AMPLITUDE OF SAID WAVES, AND MEANS TO COMPARE THE AMPLITUDES RESPECTIVELY DETECTED BY SAID TWO RECEIVERS.
Claim 2
Dependent Claim
119 words
DEVICE FOR DETERMINING THE RELATIVE POSITION OF TWO MOVABLE OBJECTS CONSTRAINED TO MOVE IN PREDETERMINED PARALLEL PATHS COMPRISING IN COMBINATION: A SOURCE OF ELECTROMAGNETIC WAVES MOUNTED ON ONE OF SAID TWO OBJECTS, A RECEIVER DEVICE MOUNTED ON THE OTHER OF SAID TWO OBJECTS, SAID RECEIVER DEVICE INCLUDING TWO RECEIVERS FOR SAID WAVES HAVING TWO ANTENNAS DISPOSED ONE RELATIVE TO THE OTHER TO PROVIDE A PARTIAL OVERLAPPING OF THEIR DIRECTIVITY DIAGRAMS, SAID RECEIVER DEVICE BEING OFFSET RELATIVE TO THE SOURCE PERPENDICULAR TO THE DIRECTION OF DISPLACEMENT OF THE SOURCE, SAID TWO RECEIVERS OF SAID RECEIVER DEVICE INCLUDING MEANS TO DETECT THE MAGNITUDE OF THE AMPLITUDE OF SAID WAVES, AND MEANS TO COMPARE THE AMPLITUDES RESPECTIVELY DETECTED BY SAID TWO RECEIVERS.
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) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |