Ferrule for connecting optical fibers and optical connector using it
Patent 4818061 Issued on April 4, 1989. Estimated Expiration Date: 
April 4, 2006. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
April 4, 2006. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 4090778 Molded optical fiber connectors Concentric optic termination utilizing a fixture Resilient ferrule connector Device for connecting optical fibers Fiber optic connector and apparatus and method employing same Patent #: 4579419 InventorsAssigneeApplicationNo. 06/858186 filed on 04/04/1986US Classes:385/72, Fiber end held in ferrule385/84Tube-type holding structureExaminersPrimary: Sikes, William L.Assistant: Ngo, John Attorney, Agent or FirmInternational ClassG02B 6/38 (20060101)Foreign Application Priority Data1984-09-05 JPAbstractThis invention ferrule which covers an end of an optical fiber is structured to have a larger elastic displacement compared to ordinary ones.And misalignment at coupling is absorbed, thereby reducing a coupling loss as well as sliding force at the coupling.Other References
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