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Dive into the research topics where Nagaharu Hamada is active.

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Featured researches published by Nagaharu Hamada.


international solid-state circuits conference | 1985

A CMOS facsimile video signal processor

Keisuke Nakashima; M. Tadauchi; Nagaharu Hamada; K. Sato; K. Yasunari; Y. Nagayama; K. Nagai; N. Suemori; T. Kubo

A CMOS image scanning signal processor which can be used for CCITT Group-4 facsimile has been developed. To obtain high-speed processing (5 MHz) and high-precision shading distortion correction (up to 70%), hybrid architecture of digital and analog techniques and parameter setting by software are combined. Image sensor and printer interfaces and a digital processor which can do linear zooming and data format conversion are built into a chip. The 6.5/spl times/7.8-mm chip is fabricated using 2.5 /spl mu/m CMOS technology and contains 25000 transistors.


Archive | 1985

Thermal recording apparatus

Yasuyuki Kojima; Nagaharu Hamada; Yasuro Hori


Archive | 2001

Multimedia information delivery system and mobile information terminal device

Soshiro Kuzunuki; Yasumasa Matsuda; Nagaharu Hamada; Toshiaki Nakamura; Toshimi Yokota; Keiko Abe


Archive | 1986

Control method of vertical scan speed

Koozoo Nakamura; Nagaharu Hamada; Masaharu Tadauchi; Yasuyuki Kozima; Kunihiro Sakata


Archive | 1978

Data display control system with plural refresh memories

Norio Murayama; Yukitaka Hayashi; Nagaharu Hamada; Toshitaka Hara


Archive | 1978

Microprocessor controlled display system

Yoji Nishio; Toshitaka Hara; Nagaharu Hamada


Archive | 1977

Raster scan type CRT display system having an image rolling function

Masahiro Iwamura; Nagaharu Hamada; Toshitaka Hara; Nobuo Sato


Archive | 1977

CRT Display apparatus with changeable cursor indicia

Masahiro Iwamura; Nagaharu Hamada; Schigeo Kuboki; Kenichi Fukushima


Archive | 1976

Microprocessor controlled CRT display system

Nagaharu Hamada


Archive | 1975

Light pen detection system

Masahiro Iwamura; Nagaharu Hamada; Yukitaka Hayashi

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