US Patent Application No: 2001/0012,434

Number of patents in Portfolio can not be more than 2000

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

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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 OwnerAddressTotal Patents
ANDO ELECTRIC CO., LTD.TOKYO122

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Satoh, Yoshinori Saitama, JP 57 454

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