Optical attenuator, optical photometer and method for controlling quantity of light

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20010012434A1
SERIAL NO

09770240

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An optical attenuator realizable at a lower cost, for easily attenuating a quantity of light transmitted through an optical fiber, an optical photometer using the optical attenuator and a method for controlling a quantity of light by the optical attenuator. The optical attenuator (10, 11) comprises: two ferrules (41, 42) provided so that top surfaces thereof are stood opposite to each other, in which an optical fiber (31, 32) is connected to a base edge portion on each of the ferrules and either or both of the ferrules can be moved along an optical axis of each ferrule; and a split sleeve (2) for holding the ferrules in the same axis line (X, Y).

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Patent Owner(s)

Patent OwnerAddress
ANDO ELECTRIC CO LTD19-7 KAMATA 4-CHOME OTA-KU TOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Satoh, Yoshinori Tokyo, JP 52 796

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