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Dive into the research topics where Yutaka Sugawara is active.

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Featured researches published by Yutaka Sugawara.


Journal of The Society for Information Display | 2009

High-pixel-rate grating-light-valve laser projector

Hiroki Kikuchi; Shigeki Hashimoto; Shinichiro Tajiri; Tsuneo Hayashi; Yutaka Sugawara; Michio Oka; Yoshiyuki Akiyama; Akira Nakamura; Naoya Eguchi

— A high-pixel-rate, high-contrast (30,000:1) wide-color-gamut grating-light-valve laser projector is reported. A new optical engine enabling high-frame-rate (240 Hz) scan projection is employed. Panoramic wide-angle-scan projection with a 64:9 aspect ratio was also developed. Speckle noise is eliminated using a simple but highly efficient technique. The optical throughput efficiency of the grating-light-valve laser projector is reviewed.


SID Symposium Digest of Technical Papers | 2008

56.1: High-Frame-Rate, High-Contrast Grating Light Valve Laser Projection Display

Hiroki Kikuchi; Shigeki Hashimoto; Shinichiro Tajiri; Tsuneo Hayashi; Yutaka Sugawara; Michio Oka; Yoshiyuki Akiyama; Akira Nakamura; Naoya Eguchi

We report a high frame rate (240Hz), high contrast (30,000:1), wide color gamut GxL (G-by-L) laser projector. Proposed application areas for GxL are also discussed.


Archive | 2003

Image projector and image projecting method

Yutaka Sugawara; Naoya Eguchi


Archive | 1997

OPTICAL PICKUP AND DISK PLAYER

Tsutomu Mochizuki; Yutaka Sugawara


Archive | 1997

Optical pick-up and disk player

Tsutomu Mochizuki; Yutaka Sugawara


Archive | 2007

Screen and image projection apparatus

Yutaka Sugawara; Hiroki Kikuchi


Archive | 2001

Optical pickup device having a movable-side member driven with a predetermined inclination

Nobuyasu Kikuchi; Akio Yamakawa; Yusaku Seki; Tetsuo Maeda; Yutaka Sugawara


Archive | 2006

SCREEN AND IMAGE PROJECTOR

Hiroki Kikuchi; Yutaka Sugawara; 豊 菅原; 啓記 菊池


Archive | 1997

Biaxial actuator and optical disc apparatus

Hiroshi Kawamura; Takeshi Kubo; Takakiyo Kanazawa; Yutaka Sugawara


Archive | 2008

Image projecting apparatus and image projecting method for use in the same

Izushi Kobayashi; Yutaka Sugawara; Akihiro Kojima; Akira Nakamura; Katsuhisa Ito

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