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公开(公告)号：US20130148027A1
公开(公告)日：2013-06-13
申请号：US13760592
申请日：2013-02-06
Applicant: INTERSIL AMERICAS INC.
Inventor： David W. Ritter , Robert David Zucker , Warren Craddock
IPC: H04N5/21
Abstract: Provided herein are methods and systems that provide automatic compensation for frequency attenuation of a video signal transmitted over a cable. In accordance with an embodiment, a system includes an equalizer and a compensation controller. The equalizer receives a video signal that was transmitted over a cable, provides compensation for frequency attenuation that occurred during the transmission over the cable, and outputs a compensated video signal. The compensation controller automatically adjusts the compensation provided by the equalizer based on comparisons of one or more portions of the compensated video signal to one or more reference voltage levels.
Abstract translation: 本文提供了对通过电缆传输的视频信号的频率衰减提供自动补偿的方法和系统。 根据实施例，系统包括均衡器和补偿控制器。 均衡器接收通过电缆传输的视频信号，提供在通过电缆传输期间发生的频率衰减的补偿，并输出经补偿的视频信号。 补偿控制器基于将补偿的视频信号的一个或多个部分与一个或多个参考电压电平进行比较，自动调整由均衡器提供的补偿。
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公开(公告)号：US08451382B1
公开(公告)日：2013-05-28
申请号：US13760592
申请日：2013-02-06
Applicant: Intersil Americas Inc.
Inventor： David W. Ritter , Robert David Zucker , Warren Craddock
Abstract: Provided herein are methods and systems that provide automatic compensation for frequency attenuation of a video signal transmitted over a cable. In accordance with an embodiment, a system includes an equalizer and a compensation controller. The equalizer receives a video signal that was transmitted over a cable, provides compensation for frequency attenuation that occurred during the transmission over the cable, and outputs a compensated video signal. The compensation controller automatically adjusts the compensation provided by the equalizer based on comparisons of one or more portions of the compensated video signal to one or more reference voltage levels.
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