Optical pickup and optical information storage system including the same

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United States of America Patent

PATENT NO 9142243
APP PUB NO 20140241141A1
SERIAL NO

14187579

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Abstract

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Provided are an optical pickup and an optical information storage system including the same. The optical pickup includes a photodetector that receives a main light beam and a plurality of sub-light beams reflected from an information storage medium and diffracted by a diffracting element. The photo detector detects a tracking error signal using zeroth-order light as the main light beam and using one of first-order light and third-order light as the sub-light beam based on a type of an optical information storage medium.

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Patent Owner(s)

Patent OwnerAddress
TOSHIBA SAMSUNG STORAGE TECHNOLOGY KOREA CORPORATION14F BLDG NO 102 DIGITAL EMPIRE 2 486 SIN-DONG YEONGTONG-GU SUWON-SI GYEONGGI-DO REPUBLIC OF KOREA SUWON-SI

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Han, Seung-man Suwon-si, KR 7 9
Jeong, Jin-ho Seoul, KR 8 49
Kim, Eun-goo Suwon-si, KR 10 17
Kim, Ki-bok Suwon-si, KR 9 7
Oh, Jung-bae Suwon-si, KR 6 2

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