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Dive into the research topics where Akihiko Doi is active.

Publication


Featured researches published by Akihiko Doi.


Archive | 1986

Optical disk and recording/reproducing device for optical disk

Tomohisa Yoshimaru; Akihiko Doi; Tetsuo Saito


Archive | 1986

Optical focusing in magneto-optic disk system

Hideo Ando; Akihiko Doi


Archive | 1985

Optical system and method for reducing vibration of an objective lens in an optical head assembly of an optical read/write system

Hideo Ando; Akihiko Doi


Archive | 1990

Information recording system capable of preventing overwriting

Ryoji Takeuchi; Akihiko Doi


Archive | 1990

SYSTEM FOR RECORDING INFORMATION ON AN OPTICAL RECORDING MEDIUM

Ryoji Takeuchi; Tomohisa Yoshimaru; Akihiko Doi


Archive | 1997

Recording and reproducing optical disk device with multi-disk type capability

Akihiko Doi


Archive | 1995

Optical disc apparatus having improved read accuracy with non-linear servo signal gain during track access and focus initialization

Akihiko Doi


Archive | 2009

OPTICAL DISK DEVICE AND CONTROL METHOD

Akihiko Doi


Archive | 1992

Objective lens position detecting system capable of adjusting amounts of radiation

Mikio Yamamuro; Akihiko Doi


Archive | 1992

Signal processing circuit for optical disk apparatus

Mikio Yamamuro; Akihiko Doi

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