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international conference on consumer electronics | 1990

A Video Signal Processing for HDTV Receiver

Yoshio Seki; Masanori Hamada; Mitsuo Isobe; Katsumi Morita; Takeshi Inoue

A signal processor for HDTV (high-definition television) receivers is presented. The HDTV receiver utilizing this signal processor can receive not only the HDTV broadcasting service but also the NTSC standard; at the same time, the picture quality for the NTSC signal is improved. This enhancement maintains the optimum viewing distance of the HDTV receiver within the same range for both systems. >


IEEE Transactions on Consumer Electronics | 1983

Television Receiver using a Pure Synchronous Detector IC

Tetsuo Kutsuki; Kazuhiko Kubo; Mitsuo Isobe

This paper describes a new excellent video detector IC for color television receivers with phase lock loop ( PLL ) operating at the intermediate frequency of 58.75 MHz generator. The IC includes IF amplifier, AGC circuit, VCO, video processing circuit, video detector, automatic phase control ( APC ) circuit, lock-unlock condition detector and AFC circuit. Using this system, better performance than a traditional diode detector or a quasi synchronous detector has been achieved with no increase of manufacturing cost.


Archive | 1989

Receiving system for band-compression image signal

Masanori Hamada; Takeshi Inoue; Mitsuo Isobe; Yuichi Ninomiya; Yoshimichi Ohtsuka; Yoshinori Izumi


Archive | 1982

Synchronous video detector circuit using phase-locked loop

Mitsuo Isobe; Tetsuo Kutsuki; Namio Yamaguchi; Toshihide Tanaka


Archive | 1993

Cathode ray tube control apparatus

Susumu Tsujihara; Mitsuo Isobe; Hiroyosi Shimosaka; Hiroshi Taniguchi


Archive | 1989

High definition television receiver enabling picture-in picture display

Mitsuo Isobe; Masanori Hamada


Archive | 1977

PHASE SYNCHRONIZING ARRANGEMENT FOR VIDEO SYNCHRONOUS DETECTION

Mitsuo Isobe


Archive | 1973

Constant-voltage converter having beam current detector

Noboru Yasumatsuya; Mitsuo Isobe


Archive | 1993

PICTURE CORRECTION DEVICE FOR PROJECTION TYPE DISPLAY

Yasunori Inoue; Mitsuo Isobe; Susumu Tsujihara; 育徳 井上; 三男 磯邉; 進 辻原


Archive | 1989

Image signal processing apparatus for Y/C separation and for time domain/spatial interpolation of sub-Nyquist sub-sampling time compressed high definition television system

Mitsuo Isobe; Masanori Hamada; Katsumi Morita; Yuichi Ninomiya

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