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    • 9. 发明申请
    • High voltage operating field effect transistor, and bias circuit therefor and high voltage circuit thereof
    • 高电压工作场效应晶体管及其偏置电路及其高电压电路
    • US20090014816A1
    • 2009-01-15
    • US12283638
    • 2008-09-12
    • Yutaka HayashiHisashi HasegawaYoshifumi YoshidaJun Osanai
    • Yutaka HayashiHisashi HasegawaYoshifumi YoshidaJun Osanai
    • H01L29/78
    • H01L29/4238
    • A high voltage operating field effect transistor has a substrate and a semiconductor channel formation region disposed in a surface of the substrate. A source region and a drain region are spaced apart from each other with the semiconductor channel formation region disposed between the source region and the drain region. A gate insulating film region is disposed on the semiconductor channel formation region. A resistive gate region is disposed on the gate insulating film region. A source side electrode is disposed on a source region side of the resistive gate region and is operative to receive a signal electric potential. A drain side electrode is disposed on a drain region side of the resistive gate region and is operative to receive a bias electric potential an absolute value of which is equal to or larger than that of a specified electric potential and which changes according to an increase or decrease in a drain electric potential.
    • 高电压工作场效应晶体管具有衬底和设置在衬底的表面中的半导体沟道形成区域。 源极区域和漏极区域彼此间隔开,半导体沟道形成区域设置在源极区域和漏极区域之间。 栅极绝缘膜区域设置在半导体沟道形成区域上。 电阻栅极区域设置在栅极绝缘膜区域上。 源极电极设置在电阻栅极区域的源极区域侧并且可操作以接收信号电位。 漏极侧电极设置在电阻栅极区域的漏极侧,并且可操作以接收其绝对值等于或大于指定电位的绝对值的偏置电位,并且其根据增加或 降低漏极电位。
    • 10. 发明授权
    • Video signal processing circuit
    • 视频信号处理电路
    • US07456903B2
    • 2008-11-25
    • US11242772
    • 2005-10-04
    • Ikuo OsawaYoshifumi YoshidaHiroyuki EbinumaToru Okada
    • Ikuo OsawaYoshifumi YoshidaHiroyuki EbinumaToru Okada
    • H04N9/64H04N5/08
    • H04N5/14H04N5/08H04N5/126H04N9/64
    • A video signal processing circuit is supplied with an analog composite video signal formed by combining at least a luminance signal with a sync signal, and processes the analog composite video signal. The video signal processing circuit has an analog filter which removes high-frequency components from the analog composite video signal, a sync separation circuit which separates a sync signal from an output signal from the analog filter, an AD converter which performs AD conversion on the analog composite video signal, and a digital video signal processing circuit which performs predetermined video signal processing on the composite video signal digitized by the AD converter, by using the sync signal obtained by the sync separation circuit.
    • 视频信号处理电路被提供有通过将至少亮度信号与同步信号组合而形成的模拟复合视频信号,并处理模拟复合视频信号。 视频信号处理电路具有从模拟复合视频信号中去除高频分量的模拟滤波器,将同步信号与来自模拟滤波器的输出信号分离的同步分离电路,对模拟信号进行AD转换的AD转换器 复合视频信号和数字视频信号处理电路,通过使用由同步分离电路获得的同步信号,对由AD转换器数字化的复合视频信号执行预定的视频信号处理。