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Dive into the research topics where Yoshinori Ishikawa is active.

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Featured researches published by Yoshinori Ishikawa.


international conference on consumer electronics | 2008

Development of Optical Disc Servo Simulation Based on Actual Waveform Data

Shinsuke Onoe; Yoshinori Ishikawa; Motoyuki Suzuki; Akio Fukushima

A new servo simulation method based on actual waveform data has been developed. The actual track displacement of an optical disc is calculated from a measured servo error signal using an inverse model of the optical disc drive. The simulation result well corresponds with the actual servo response.


Archive | 2004

Optical disc apparatus switching focus point between layers

Yukinobu Tada; Yoshinori Ishikawa


Archive | 2005

Optical disc recording/reproduction device

Takeyoshi Kataoka; Motoyuki Suzuki; Fumio Isshiki; Yoshinori Ishikawa


Archive | 2001

Optical disc apparatus and focus jump method

Yukinobu Tada; Yoshinori Ishikawa


Archive | 2008

Multilayer optical disc

Yoshinori Ishikawa; Harukazu Miyamoto; Akemi Hirotsune


Archive | 2004

Tracking learning/adjusting method and optical disk device

Yoshinori Ishikawa; Taku Hoshizawa; Fumio Isshiki


Archive | 2010

Servo control signal generation device and an optical disk device using the same

Yoshinori Ishikawa


Archive | 2010

Optical Disc, Optical Disc Reproducing Apparatus, Optical Disc Apparatus, Reproducing Method and Recording Method

Takeyoshi Kataoka; Yoshinori Ishikawa; Yutaka Nagai; Kenji Akahoshi; Takakiyo Yasukawa


Archive | 2009

OPTICAL DISC APPARATUS THEREFOR

Yoshinori Ishikawa; Takeshi Shimano; Akio Fukushima


Archive | 2007

Focus out detecting apparatus and optical disc apparatus using the same

Yoshinori Ishikawa

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