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IEEE Transactions on Consumer Electronics | 1986

Super Compact Plastic Projection Lensen for Projection Televisions

Yoshiharu Yamamoto; Yoshitomi Nagaoka; Yasutaka Nakajima; Tsugio Murao

A new compact plastic lens is proposed to meet demands for further reduction of a projection TV cabinet size while maintaining high image quality with a newly developed stop for cutting off undesirable sagittal aberration.


OE LASE'87 and EO Imaging Symp (January 1987, Los Angeles) | 1987

New Compact Optical Systems For Projection Televisions

Syusuke Ono; Yasutoshi Yamamoto; Yoshitomi Nagaoka; Yasutaka Nakajima; Tsugio Murao

We have developed a new optical system which enables the miniaturization of the lens sys tem for projection. televisions, while maintaining a high. resolution image. This optical system consists of a simple 3-lens element and a new radially arranged baffle stop. Using this optical system, lens length can be reduced by 25% concomitantly resulting in smaller projection TV. cabinets.


Archive | 1989

Carriage conveying equipment

Yoshihiro Matsumoto; Yasutaka Nakajima; Haruo Tanioku; Kouichi Fujikawa; Norihide Higaki; Nobuo Mino


Archive | 1982

Floppy disk cartridge

Koichiro Nakagawa; Yasutaka Nakajima


Archive | 1971

Electrophotographic processor camera

Yasutaka Nakajima; Toshiharu Sasaki; Noboru Katakabe


Archive | 1973

ELECTROSTATIC MICRO COPYING APPARATUS INCLUDING FILM CUTTING, SLITTING, AND INSERTING MEANS FOR APERTURE CARDS

Yasutaka Nakajima; Isao Yamaguchi; Masaru Onishi


IEEE Transactions on Consumer Electronics | 1982

A 3-Inch Compact Floppy Disk System

Tadashi Saitoh; Manabu Wakabayashi; Tohru Sampei; Kunio Mizushima; Koichiro Nakagawa; Yasutaka Nakajima; lsao Kozu


Archive | 1982

recording apparatus for cartridge / reproducing information

Koichiro Nakagawa; Satoshi Suyama; Masahiro Yanagi; Yasutaka Nakajima


Archive | 1982

Speicherplattenkassette The disc cartridge

Koichiro Nakagawa; Satoshi Suyama; Masahiro Yanagi; Yasutaka Nakajima


Archive | 1974

Photographisches geraet Geraet photographic

Yasutaka Nakajima; Toshiharu Sasaki; Noboru Katakabe

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