IPC분류정보
| 국가/구분 |
United States(US) Patent
등록
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| 국제특허분류(IPC7판) |
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| 출원번호 |
US-0795483
(1985-11-06)
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발명자
/ 주소 |
- Aberson
- Jr. James A. (Atlanta GA) DeVeau
- Jr. George F. (Stone Mountain GA) Mathis Terry D. (Lilburn GA) Miller Calvin M. (Roswell GA)
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| 출원인 / 주소 |
- American Telephone and Telegraph Company, AT&T Bell Laboratories (Murray Hill NJ 02)
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| 인용정보 |
피인용 횟수 :
32 인용 특허 :
3 |
초록
▼
In a plug-type optical fiber connector low loss can be achieved, without any active alignment of the fiber cores, if the two cylindrical plugs used in the connector are “contiguous”plugs, i.e., derived from contiguous segments of the tubular stock from which the plugs are produced, and if the plugs
In a plug-type optical fiber connector low loss can be achieved, without any active alignment of the fiber cores, if the two cylindrical plugs used in the connector are “contiguous”plugs, i.e., derived from contiguous segments of the tubular stock from which the plugs are produced, and if the plugs are arranged such that the “contiguous”ends of the plugs are the mating ends, and such that the rotational relationship between the plugs is substantially the one that existed prior to sectioning. The inventive connector comprises two contiguous plugs and includes features that permit identification of the contiguous ends and of the rotational relationship. In a preferred embodiment, the tubular stock is drawn glass stock, the two contiguous segments are left joined but scored circumferentially to permit easy separation in the field, with a longitudinal groove in the outer cylinder surface of the contiguous segments identifying the original rotational relationship. The plugs are to be inserted into an alignment sleeve, or into, e.g., three-rod alignment means. Disclosed is also a novel corrugated tube alignment sleeve that has general applicability in plug and sleeve-type connectors.
대표청구항
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Optical fiber connector comprising (a) a first and a second tubular member, to be referred to as the first and the second plug, respectively, each plug having an outer cylinder surface, an axis, a bore that is substantially concentric with the outer cylinder surface, and an end face, an end portion
Optical fiber connector comprising (a) a first and a second tubular member, to be referred to as the first and the second plug, respectively, each plug having an outer cylinder surface, an axis, a bore that is substantially concentric with the outer cylinder surface, and an end face, an end portion of an optical fiber to be inserted into the bore of each of the plugs and to be maintained therein fixed relative to the plug; (b) first means for maintaining the outer cylinder surface of the first plug essentially concentric with the outer cylinder surface of the second plug, with the first plug end face facing the second plug end face; and (c) second means for maintaining the first plug in essentially fixed axial relationship with the second plug; CHARACTERIZED IN THAT (d) the first and second plugs are contiguous plugs, where by “contiguous plugs”we mean herein plugs fabricated by a process that comprises: providing a length of tubular stock comprising a multiplicity of segments, a “segment”being a portion of the tubular stock which is to be transformed, by a process comprising separating two contiguous segments, into a plug, a first and a second contiguous segment to be transformed into the first and second contiguous plugs, respectively, the two surfaces that result when two contiguous segments are separated to be termed the “contiguous”faces of the resulting plugs; and further CHARACTERIZED IN THAT the connector comprises: (e) a feature or features that permit idenfitication of the contiguous face of the first and of the second plug, respectively, with the first and second plugs to be oriented such that the contiguous faces are the end faces; and (f) a feature or features that permit identification of that rotational relationship between the first and the second plug which corresponds to the rotational relationship that existed between the first and the second segment prior to their separation.
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