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Patent Agency Ranking
公开(公告)号：CA2332780A1
公开(公告)日：2001-08-29
申请号：CA2332780
申请日：2001-01-26
Applicant: LUCENT TECHNOLOGIES INC
Inventor： LAMPERT NORMAN ROGER , SHERMAN CHARLES J , GRIMES GARY J
Abstract: An interconnection system is shown that enables an optical circuit board [30 0] having a number of optical devices [400, 500] to be easily connected to and disconnected from a backplane [100]. The optical devices are positioned alon g a side edge [311 ] of a substrate [310] and are adapted to interconnect with a like number of optical connectors [200] that are arrayed on the backplane in a row or colum n. Each optical plug is held in a holder [120], which is retained in backplane [100] by a clip [110]. Each of the optical connectors is a plug that includes a ferrule [24] , which encloses an optical fiber and projects from one end of the plug. Each of the edge- mounted optical devices includes a jack receptacle [410, 510] at its front e nd and has a cavity [401, 501] that is shaped to receive the optical plug. All of the jac k receptacles are similarly shaped. Each cavity further includes a boss [421, 521 ] for receiving the ferrule. The plugs and jack receptacles are arranged to engage, but not interlock with, each other. The optical devices include two or more downward-extending pins [430, 530] that are received in corresponding holes [334, 335] in the substrate board for accurate positioning. Illustratively, optical device [400] includes a jack receptacle in its front-end portion [410] and its back-end portion [420]; whereas optical device [500] includes a jack receptacle in its front-end portion [510] and one or more transducers [550], for converting between electrical and optical signals, in its back-end portion [520].
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公开(公告)号：CA2332780C
公开(公告)日：2004-06-01
申请号：CA2332780
申请日：2001-01-26
Applicant: LUCENT TECHNOLOGIES INC
Inventor： GRIMES GARY J , SHERMAN CHARLES J , LAMPERT NORMAN ROGER
Abstract: An interconnection system is shown that enables an optical circuit board [30 0] having a number of optical devices [400, 500] to be easily connected to and disconnected from a backplane [100]. The optical devices are positioned alon g a side edge [311] of a substrate [310] and are adapted to interconnect with a like number of optical connectors [200] that are arrayed on the backplane in a row or colum n. Each optical plug is held in a holder [120], which is retained in backplane [100] by a clip [110]. Each of the optical connectors is a plug that includes a ferrule [24] , which encloses an optical fiber and projects from one end of the plug. Each of the edge-mounted optical devices includes a jack receptacle [410, 510] at its front end and h as a cavity [401, 501] that is shaped to receive the optical plug. All of the jac k receptacles are similarly shaped. Each cavity further includes a boss [421, 521] for receiving the ferrule. The plugs and jack receptacles are arranged to engage, but not interlock with, each other. The optical devices include two or more downward-extending pins [430, 530] that are received in corresponding holes [334, 335] in the substrate board for accurate positioning. Illustratively, optical device [400] includes a jack receptacle in its front-end portion [410] and its back-end portion [420]; whereas optical device [500] includes a jack receptacle in its front-end portion [510] and one or more transducers [550], for converting between electrical and optical signals, in its back-end portion [520].
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公开(公告)号：DE60000195D1
公开(公告)日：2002-07-11
申请号：DE60000195
申请日：2000-07-17
Applicant: LUCENT TECHNOLOGIES INC
Inventor： BLYLER JR , COYLE JR , GRIMES GARY J , SERAFINO ANTHONY JOSEPH , SHERMAN CHARLES J
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公开(公告)号：DE60000025T2
公开(公告)日：2002-07-11
申请号：DE60000025
申请日：2000-08-21
Applicant: LUCENT TECHNOLOGIES INC
Inventor： BLYLER JR , GRIMES GARY J , SHERMAN CHARLES J
Abstract: Fabricating graded index plastic optical fiber by diffusing a high molecular weight dopant within a step index plastic optical fiber after the step index plastic optical fiber has been drawn from a preform using a conventional draw tower in a first embodiment. Also, the step index plastic optical fiber may be fabricated by extruding one material circumferentially around another material, e.g., by use of a concentric nozzle. The dopant is diffused after the drawing or extruding of the step index plastic optical fiber by heating the plastic optical fiber to a temperature that causes a high rate of diffusion state while measuring the transmission bandwidth of the plastic optical fiber. When the predetermined specified transmission bandwidth is measured, the plastic optical fiber is immediately returned to an ambient temperature. In addition, the plastic optical fiber may be gradually heated to an equilibrium temperature that is just below the temperature required to produce the high rate of diffusion state. Once the equilibrium temperature has been achieved, additional heating is carried out to raise the temperature to that required to produce the high rate of diffusion and the transmission bandwidth is tested. In a second embodiment of the invention, the preform is initially heated for an amount of time that will allow the diffusion process to be partially completed. After the plastic optical fiber has been drawn, the remaining diffusion is accomplished by testing for the specified transmission bandwidth. Similarly, a partially diffused plastic optical fiber may be extruded.
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公开(公告)号：CA2254709A1
公开(公告)日：1999-06-22
申请号：CA2254709
申请日：1998-12-01
Applicant: LUCENT TECHNOLOGIES INC
Inventor： GRIMES GARY J , CARLISLE ARTHUR WALLACE , SHERMAN CHARLES JOSEPH , ANDERSON JERRY MAX , LAMPERT NORMAN ROGER
Abstract: An optical connector is disclosed for terminating an optical cable ¢10! comprising a plastic optical fiber ¢11! surrounded by a protective jacket ¢12!. The connector includes a housing having an exterior latch ¢201! that secures it to a n adapter ¢31!. The latch is constructed as a cantilever with its fixed end positi oned toward a front end of the housing. The connector further includes a cable-holdin g structure that attaches to the jacket of the optical cable in such a manner that the plastic optical fiber ¢11! connects to an associated optical device without the use of a ferrule. One cable-holding structure includes a guide tube ¢45! that is made f rom metal and is pressed, or insert molded, into the back end of one plastic housing ¢40!. A portion of the guide tube protrudes from the back end of the housing and is crimped onto the optical cable. Here, the optical cable is immovably attached to the housing. Another cable-holding structure includes an extender cap ¢21!, a spring ¢60!, and a guide tube ¢15! having an enlarged diameter at one end ¢16!. The spring surrounds the tube and presses against its enlarged end. The spring a lso presses against an interior surface of the extender cap, which inserts into the back end of another plastic housing ¢22!. Here, the optical cable is movably attached to the housing.
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