US4484793A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switching device between optical fibers
Assignee: Horiba Jobin Yvon SAS
•
Filing: 1982-05-24
•
Granted: 1984-11-27
•
Expires: 2002-05-24
Abstract
Abstract Switching device between optical fibers, for ensuring continuity of transmission between the end of a first fiber (2) and the end of any of a group of other fibers (3). The end of the first fiber (2) is placed at the center (C) of a spherical mirror (1) and the ends of the other fibers (3) are arranged symmetrically relative to the first fiber in the plane perpendicular to the axis and passing through the center (C). The device comprises, between the fibers (2, 3) and the mirror (1), an optically deviating member (5) and means to rotate it on itself about the axis of the mirror (1).
Inventors
- 👤 Jean-Pierre Laude
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:28
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/24; G02B6/26; G02B6/35; G02B6/351; G02B6/3524; G02B6/354; G02B6/3554; G02B6/3558; G02B6/3564; G02B6/3582
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
135 words
A switching device between optical fibers for ensuring continuity of light transmission between the end of a first fiber (2) and the end of any of a group of other fibers (3), wherein the end of said first fiber (2) is placed at the center of radius of curvature (C) of a spherical mirror (1) while the ends of said other fibers (3) are arranged symmetrically relative to said first fiber, in the plane perpendicular to the axis (X) of said mirror and passing through said center (C), said device comprising, on the optical path between said first fiber (2) and said other fibers (3) and said mirror (1), at least one optically deviating member (5), operating in transmission, provided with means (17, 18) for rotating it on itself about the axis of said mirror.
Claim 2
Dependent Claim
135 words
A switching device between optical fibers for ensuring continuity of light transmission between the end of a first fiber (2) and the end of any of a group of other fibers (3), wherein the end of said first fiber (2) is placed at the center of radius of curvature (C) of a spherical mirror (1) while the ends of said other fibers (3) are arranged symmetrically relative to said first fiber, in the plane perpendicular to the axis (X) of said mirror and passing through said center (C), said device comprising, on the optical path between said first fiber (2) and said other fibers (3) and said mirror (1), at least one optically deviating member (5), operating in transmission, provided with means (17, 18) for rotating it on itself about the axis of said mirror.
Claim 3
Dependent Claim
29 words
A device as claimed in claim 1, comprising only one deviating member (5), wherein said other fibers (3) are distributed on a circle centered on said first fiber (2).
Claim 4
Dependent Claim
47 words
A device as claimed in claim 1, comprising two optically deviating members having opposed deviation characteristics, each member being driven with angular synchronization but in opposite direction, and wherein said other fibers (3) are arranged in a straight line on both sides of said first fiber (2).
Claim 5
Independent Claim
24 words
A device as claimed in any one of claims 1 to 3, wherein each deviating member is a transparent prismatic plate of small angle.
Claim 6
Independent Claim
29 words
A device as claimed in any one of claims 1 to 3, in the case where monochromatic light is used, wherein each deviating member is a transmission diffraction grating.
References Cited (Backward Citations)
US3883223A
Cited
US4118109A
Cited
US4257673A
Cited
US4304460A
Cited
US4265513A
Cited
US4261638A
Cited
JPS56167106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-11-27 | 1988-05-28 | 1988-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-11-27 | 1992-05-28 | 1992-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-11-27 | 1996-05-28 | 1996-11-27 | $7700.00 | Window Closed / Lapsed |