OPTICAL TRANSMISSION DEVICE

PURPOSE: An optical transmission device is provided to be capable of sure protection against entry of foreign matters and the like from a plug inserting hole without using a protective cap that requires removal and storage. CONSTITUTION: The optical transmission device is equipped with an optical el...

Full description

Saved in:
Bibliographic Details
Main Authors TAKAOKA TAKASHI, IKUTA MITSUHISA
Format Patent
LanguageEnglish
Korean
Published 07.09.2001
Edition7
Subjects
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
Online AccessGet full text

Cover

More Information
Summary:PURPOSE: An optical transmission device is provided to be capable of sure protection against entry of foreign matters and the like from a plug inserting hole without using a protective cap that requires removal and storage. CONSTITUTION: The optical transmission device is equipped with an optical element that performs at least either light receiving or light transmitting and with a holder(10a,10b) that holding the optical element in which the holder comprises an optical fiber cable with a plug and a plug inserting hole(12) in which the plug is inserted. The device is constituted such that the inner face of the plug inserting hole(12) is formed with a groove corresponding to a belt-like projection on the side of the plug of the optical fiber cable, and that a shutter(11) is provided which opens/closes inside the plug inserting hole(12), with the rotary shaft(16) functioning in a direction nearly vertical to a line connecting between the groove of the plug inserting hole(12) and its inner face oppositely facing the groove.
Bibliography:Application Number: KR20010009427