Image transmission device

An improved image transmission path formed of individual optical fibers bundled together in side-by-side relation and which is capable of transmitting a high-contrast image is disclosed. Each fiber consists of a core having a higher refractive index and an encircling cladding having a lower refracti...

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Bibliographic Details
Main Authors TSUNO, KOICHI, YOSHIDA, KENICHI, NISHIKAWA, MITSURU, ONO, KIMIZO
Format Patent
LanguageEnglish
French
German
Published 15.05.1985
Edition4
Subjects
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Summary:An improved image transmission path formed of individual optical fibers bundled together in side-by-side relation and which is capable of transmitting a high-contrast image is disclosed. Each fiber consists of a core having a higher refractive index and an encircling cladding having a lower refractive index. In front of the sending end of the transmission path a mask member is placed, the mask member being enlarged in size in comparison with the sending end of the transmission path and having a lower light transmissivity in said area corresponding to the area of the sending end of the transmission path that makes no contribution to image transmission.
Bibliography:Application Number: EP19840108135