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Featured researches published by Hiroo Takahashi.


Optical Data Storage '91 | 1991

Direct overwriting system by light-intensity modulation using triple-layer disks

Fumisada Maeda; Masayuki Arai; Hideo Owa; Hiroo Takahashi; Masahiko Kaneko

We have developed a direct overwriting system using light intensity modulation on a 5.25-inch triple-layer disk with a capacity of 650 MB. The system has a magnet assembly which can provide the initializing magnetic field effectively without affecting the 2D actuator even when used in the conventional ISO cartridge. The system confirms the byte error rate as low as 5 X 10-5 at the inner area of the disk, which is equal to the typical error rate of a conventional ISO system.


Archive | 1979

Circuit system for reproducing a signal from a moving record carrier

Hiroo Takahashi


Archive | 2011

Receiving apparatus, announcement control method, and program

Takuya Okamoto; Satoshi Okada; Ryuichiro Shimura; Hiroo Takahashi; Tamotsu Ikeda


Archive | 2007

Bandwidth analyzing device and method, bandwidth composing device and method, image encoding device and method, image decoding device and method, and program and recording medium

Katsutoshi Ando; Takahiro Fukuhara; Naoto Nishimura; Katsuji Shimura; Hiroo Takahashi; Yuki Tanaka; 勝俊 安藤; 勝治 志村; 祐樹 田中; 隆浩 福原; 直人 西村; 裕雄 高橋


Archive | 1990

Apparatus and method for recording a color television signal on an optical disc

Hideo Owa; Mikio Sugiki; Hitoshi Okada; Hiroo Takahashi


Archive | 1991

Apparatus for playing disks having different types of video signals recorded thereon

Kan Ebisawa; Hiroo Takahashi; Kenji Hori


Archive | 2013

Reception device, reception method, and program

Takashi Yokokawa; Yuken Goto; Hiroo Takahashi


Archive | 1979

Skip field recorder with audio multiplexer

Hiroo Takahashi


Archive | 2008

Information processing device and method, and information processing system

Takahiro Fukuhara; Kazuhisa Hosaka; Katsuharu Shimura; Tsuguna Inagaki; Hiroo Takahashi


Archive | 1989

Video disc apparatus recording time-expanded luminance signals and time-compressed chrominance signals

Kaoru Tachibana; Ken Morita; Hiroo Takahashi

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