Patent Number: 6,169,539

Title: Analog video signal selection circuit

Abstract: An analog video signal selection circuit which selects one of video signals and synchronous signals from two different channels, including: a mode selection means for generating a first channel selection signal or a second channel selection signal in a manual mode or generating an automode selection signal in a auto mode; a data selection means for selecting one of the first data of R1, G1 and B1 received from the first channel or the second data R2, G2 and B2 received from the second channel and providing the selected data as R, G and B output signals in accordance with the first and second channel selection signals generated from the mode selection means; and a synchronous signal selection means for selecting one of a first synchronous data of horizontal and vertical synchronous signals from the first channel and a second synchronous data of horizontal and vertical synchronous signals from the second channel in accordance with the first and second channel selection signals generated from the mode selection means.

Inventors: Lee; Jin Sun (Seoul, KR), Kim; Myung Ho (Ich'on, KR)

Assignee: Hyundai Electronics Industries Co., Ltd.

International Classification: G09G 5/00 (20060101); G09G 3/20 (20060101); G09G 005/00 ()

Expiration Date: 01/02/2018