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Dive into the research topics where Hiroaki Nabeyama is active.

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Featured researches published by Hiroaki Nabeyama.


IEEE Transactions on Consumer Electronics | 1981

All Solid State Color Camera With Single-Chip Mos Imager

Hiroaki Nabeyama; Shusaku Nagahara; Hiroshi Shimizu; Masaru Noda; Michio Masuda

An all solid state color camera using a solid state image sensor has many advantages over the conven- tional tube type camera, such as light-weight, low power consumption, high reliability, elimination of lag and high picture quality.


IEEE Transactions on Consumer Electronics | 1983

Novel Technologies for Automatic Focusing and White Balancing of Solid State Color Video Camera

Kentaro Hanma; Michio Masuda; Hiroaki Nabeyama; Yohei Saito

The consumer video market is rapidly spreading. In response, development of color video camera is strongly accelerated in these several years.


IEEE Transactions on Consumer Electronics | 1979

Fully Digitalized Color Picture in Picture Television System

Michio Masuda; Tomomitsu Kuroyanagi; Takuya Imaide; Hiroaki Nabeyama

One can keep an eye on a television program while watching another program on a screen. This Picture in Picture (P in P) TV system can be provided by putting a small, inset-monitor picture (subpicture) along with the standard picture (main picture).


IEEE Transactions on Consumer Electronics | 1979

New Color Television Receiver with Saw if Filter and One-Chip PIf IC

Hiroaki Nabeyama; Masaru Shimano; Katashi Hazama; Yoshihiko Noro; J. Yamada

For many television engineers, it has long been a dream to develop an all solid-state TV PIF circuit which does not require adjustments on the assembly lines, by replacing a conventional LC filter with a SAW filter. There are several reasons why this dream has not yet been realized — the immature level of technology and insufficient cost effectiveness of SAW devices. But, the most dominant reason was that the TV manufacturers could find no advantages except in cost reduction and labor saving.


IEEE Transactions on Broadcast and Television Receivers | 1970

An AGC System Design Based Upon the DC Restoration and the Dynamic Characteristics

Hiroaki Nabeyama; Gentaro Miyazaki

Television receiver AGC Systems are basically discussed in connection with the black level performance and the transient response of the system.


IEEE Transactions on Broadcast and Television Receivers | 1972

Introduction of Revolutional IC'S into Color TV Receivers

Masanori Ogino; Hiroaki Nabeyama; Yozo Tanihara

Rapid progress has been made recently in color TV sets. In Japan the first fully transistorized color TV set was placed on the market in 1968. The performance and reliability superior to those of tube TV sets allowed most color TV sets to be transistorized in 1970.


Archive | 1973

Signal transmission system for transmitting programed information such as programed instruction

Akio Yanagimachi; Takashi Uehara; Tetsuo Yamamoto; Hisakichi Yamane; Eiichi Sawabe; Takehiko Yoshino; Teruhiro Takezawa; Michio Masuda; Hiroaki Nabeyama; Masaaki Fukuda; Tatsuo Kayano


Archive | 1973

Signal transmission system for transmitting a plurality of information signals through a plurality of transmission channels

Akio Yanagimachi; Hisakichi Yamane; Eiichi Sawabe; Takashi Uehara; Takehiko Yoshino; Teruhiro Takezawa; Michio Masuda; Hiroaki Nabeyama; Masaaki Fukuda; Tatsuo Kayano


Archive | 1974

Signal editing and processing apparatus

Masaaki Fukuda; Tatsuo Kayano; Takashi Uehara; Takehiko Yoshino; Eiichi Sawabe; Hisakichi Yamane; Akio Yanagimachi; Teruhiro Takezawa; Michio Masuda; Hiroaki Nabeyama


Archive | 1974

Synchronizing signal regenerator

Katsuo Mohri; Yoshizumi Watatani; Hiroaki Nabeyama; Takehiko Yoshino

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