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    • 2. 发明授权
    • Automatic brightness limiter automatic control circuit, contrast limiter
control circuit, luminance/color difference signal processor and video
display apparatus
    • 自动亮度限制器控制电路,自动对比度限制器控制电路,亮度/色差信号处理器和视频显示设备
    • US5699127A
    • 1997-12-16
    • US519076
    • 1995-08-24
    • Hiroshi AndoHiroki KinugawaMasahiko SasadaMinoru Miyata
    • Hiroshi AndoHiroki KinugawaMasahiko SasadaMinoru Miyata
    • H04N5/57H04N5/59
    • H04N5/68H04N5/57H04N7/0122
    • The object of the present invention is to easily compensate automatic brightness limiting performance and automatic contrast limiting performance even if a picture is displayed with a different aspect ratio and to prevent deterioration of picture quality such as gradation and sharpness. A picture display apparatus includes (1) an automatic brightness limiter (ABL) circuit including a comparison circuit for varying an EHT compensation starting point, an ABL gain control circuit for varying a slope of the EHT characteristic versus the APL, an ABL comparison voltage generator, a DAC for adjusting an ABL compensation starting point and a DAC for adjusting an ABL gain and (2) an automatic contrast limiter (ACL) circuit including another comparison circuit for varying an EHT compensation starting point, an ACL gain control circuit for varying a slope of the EHT characteristic versus the APL, an ACL comparison voltage generator, a DAC for adjusting an ACL compensation starting point and a DAC for adjusting an ACL gain.
    • 本发明的目的是即使以不同的纵横比显示图像并且防止诸如灰度和锐度的图像质量的劣化,也容易地补偿自动亮度限制性能和自动对比度限制性能。 图像显示装置包括(1)包括用于改变EHT补偿起始点的比较电路的自动亮度限制器(ABL)电路,用于改变EHT特性对APL的斜率的ABL增益控制电路,ABL比较电压发生器 ,用于调整ABL补偿起始点的DAC和用于调整ABL增益的DAC,和(2)包括用于改变EHT补偿起始点的另一个比较电路的自动对比度限制器(ACL)电路,用于改变ABL增益的ACL增益控制电路 EHT特性与APL的斜率,ACL比较电压发生器,用于调整ACL补偿起始点的DAC和用于调整ACL增益的DAC。
    • 10. 发明授权
    • Radar apparatus and light scan apparatus
    • 雷达装置和光扫描装置
    • US08842262B2
    • 2014-09-23
    • US13477197
    • 2012-05-22
    • Narihiro HanedaHiroshi Ando
    • Narihiro HanedaHiroshi Ando
    • G01S7/499G01S17/42G01S7/481
    • G01S7/499G01S7/4815G01S7/4817G01S17/42
    • A radar apparatus for detecting a distance to an object by receiving an electromagnetic wave reflected by the object is disclosed. The radar apparatus comprises a scan part and an electromagnetic wave emitter. The scan part includes a polarized light separation member configured to pass a preset first component of the electromagnetic wave and reflect a preset second component of the electromagnetic wave. The first and second components, respectively, are polarized lights having first and second polarization directions, which are perpendicular to each other. The scan part scans the second component of the electromagnetic wave in a predetermine scan angle range by rotating the polarized light separation member around a predetermined rotation axis. The electromagnetic wave emitter emits the electromagnetic wave toward the polarized light separation member of the scan part.
    • 公开了一种用于通过接收由物体反射的电磁波来检测到物体的距离的雷达装置。 雷达装置包括扫描部分和电磁波发射器。 扫描部分包括偏振光分离构件,其被配置为使预定的电磁波的第一分量通过并且反映电磁波的预设的第二分量。 第一和第二分量分别是具有彼此垂直的第一和第二偏振方向的偏振光。 扫描部件通过使偏振光分离部件围绕预定的旋转轴线旋转而以预定的扫描角度范围扫描电磁波的第二分量。 电磁波发射器向扫描部分的偏振光分离部件发射电磁波。