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Dive into the research topics where Yasuyuki Sugi is active.

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Featured researches published by Yasuyuki Sugi.


IEEE Transactions on Consumer Electronics | 1999

Techniques for reading DVD-RAM disc with DVD-ROM drives

Katsuhiko Izumi; Kunikazu Ohnishi; Masayuki Inoue; Takeshi Shimano; Yasuyuki Sugi

We have developed techniques to read DVD-RAM discs with DVD-ROM drives. The key techniques are the reduction of feedthrough in the focusing error signal, the reduction of the push-pull signal offset, and the half tracking jump function.


IEEE Transactions on Consumer Electronics | 1986

A Zoom Lens System with New Infrared Autofocus Mechanism

Takesuke Maruyama; Kenji Sano; Hisao Inage; Michio Masuda; Yasuyuki Sugi; Youichiro Arai

In order to realize a compact and high-performance video camera, solid-state-imager,(1) auto-white-balance and auto-focus-mechanism (2) have been developed. As a result of these efforts, almost consumer video camera have come to install these functions.


Archive | 1996

Optical disk apparatus and optical head thereof

Yasuyuki Sugi; Toshio Sugiyama; Nobuo Imada; Hidenori Shinohara; Yukio Fukui


Archive | 2004

Objective lens design method, lens and optical system, optical head, and optical disc apparatus using the same

Yasuyuki Sugi; Takesuke Maruyama


Archive | 2008

Multi-wavelength lens, and optical system, optical head and optical disc apparatus using the lens

Yasuyuki Sugi


Archive | 2002

Optical detector having three light receiving areas

Kunikazu Ohnishi; Takeshi Shimano; Shigeru Nakamura; Masayuki Inoue; Yukio Fukui; Yasuyuki Sugi; Shinji Fujita; Mitsuhiko Ota


Archive | 2005

Optical pickup system, optical head, optical disk apparatus, and objective lens

Yasuyuki Sugi; Yoshiaki Minakawa; Mitsuhiro Miyauchi; Koichiro Wakabayashi


Archive | 2000

PHOTO-DETECTOR AND SIGNAL PROCESSING CIRCUIT, AND OPTICAL INFORMATION REPRODUCING DEVICE USING THE SAME

Shinji Fujita; Yukio Fukui; Masayuki Inoue; Shigeru Nakamura; Kunikazu Onishi; Mitsuhiko Ota; Takeshi Shimano; Yasuyuki Sugi; 滋 中村; 雅之 井上; 邦一 大西; 光彦 太田; 健 島野; 靖幸 杉; 幸夫 福井; 真治 藤田


Archive | 1991

Rear focusing type zoom lens system

Yasuyuki Sugi; Yoshiaki Tachibana


Archive | 2007

Objective lens optical system and optical pickup optical system

Yasuyuki Sugi

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