Digital television system having liquid crystal television controller and digital television back-end controller

• Main Authors: XIE JIANHUA, GONG JINSHENG, XIE MINGZHAN
• Format: Patent
• Language: Chinese; English
• Published: 29.04.2009
• Subjects: ADVERTISING; ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION; CRYPTOGRAPHY; DISPLAY; EDUCATION; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; PHYSICS; PICTORIAL COMMUNICATION, e.g. TELEVISION; SEALS

A digital television system comprises a LCD TV controller and a LCD TV back end controller. The LCD TV controller is used for receiving a video signal which comes from an analog television signal source, and is demodulated and decoded, controlling and processing the decoding, metrization, image quality, coloring and the like of the video signal according to the output standard of an LTD TV. The LCD TV back end controller is used for receiving the video signal which comes from a digital television signal source and is demodulated, outputting the video signal to the LCD TV controller after the video signal is decoded; after the LCD TV controller controls and processes the decoding, metrization, image quality, coloring and the like of the video signal according to the display format of the LCD TV, the generated video signal is transmitted back to the LCD TV back end controller. The LCD TV back end controller processes the video signal (a display device displays control) and again outputs the processed video sign