Toshimasa Kamisada | Researchain

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international conference on consumer electronics | 2008

Blu-ray Disc/DVD Compa tible Optical Slim Pickup for Video Camera Drives

Kazuyoshi Yamazaki; Hiromitsu Mori; Tomoto Kawamura; Yasuo Kitada; Toshimasa Kamisada

A blu-ray disc (BD) / DVD compatible optical slim pickup for video camera drives has been developed. In order to achieve both BD / DVD compatibility and the compact size, a dual objective lens method, collimator lens actuation for spherical aberration compensation, and shared front monitor (FM) were newly developed.

Archive | 1986

Focus error detection apparatus utilizing focusing an front and rear sides of focal planes

Shigeru Nakamura; Toshimasa Kamisada; Akira Saito; Takeshi Maeda; Yoshito Tsunoda; Toshimitsu Kaku; Tuyoshi Kato; Masaaki Hishiki; Masateru Watanabe

Archive | 2006

Optical pickup and optical disc apparatus provided with the same

Hiromitsu Mori; Kyuichiro Nagai; Atsushi Inoue; Toshimasa Kamisada; Ryuichiro Mizuno

Archive | 2002

Optical head and its adjusting method and optical disk device using the same

Toshimasa Kamisada; Yasuo Kitada; Yoshiro Konishi; Susumu Tachibana

Archive | 2007

Optical pickup apparatus and optical disc apparatus using same

Toshimasa Kamisada; Yasuo Kitada; Kazuyoshi Yamazaki; Tomoto Kawamura; Yoshiro Konishi

Archive | 2005

Information recording medium and manufacturing process

Akemi Hirotsune; Motoyasu Terao; Yumiko Anzai; Masaki Mukoh; Harukazu Miyamoto; Takeshi Maeda; Kyoko Kojima; Tateo Irie; Toshimasa Kamisada; Reiji Tamura; Hideki Nagano; Hiroyuki Awano

Archive | 1994