Mediatek Corporation

Kuo-Chang Cheng

Chia-Hao Chang

Tai-Lai Tung

Yi-Cheng Chen

Chin-Lung Lin

Ko-Yin Lai

Chi-Chih Chen

You-Tsai Jeng

Kai-Wen Yeh

Kai-Wen Cheng

Szu-Hsiang Lai

Keng-Lon Lei

Te-Chuan Wang

Yu-Sung Chang

Chih-Wei Chou

A clock control method for a High Definition Multimedia Interface (HDMI) receiver operating in a power-saving mode in a sink device is provided. The HDMI receiver has a first module, a second module, and a third module. The clock control method includes the following stages. A clock signal is enabled to be sent to the first module and the third module during a first region of received data. The clock signal is disabled to be sent to the second module during the first region of the received data. The clock signal is enabled to be sent to the third module and the clock signal is disabled to be sent to the first module and the second module during a second region of the received data.

Clock control method and electronic device thereof

A power-saving method for an HDMI device is provided. The method includes detecting color depth information of video data from an HDMI source which is connected to the HDMI port, deriving a horizontal length for each line by fragment of a picture frame according to the color depth information, generating a plurality of synchronization signals according to the horizontal length for each line by fragment, and powering on the HDMI port, according to the synchronization signals, for a predetermined time period to obtain encrypted information from the HDMI source, and powering off the HDMI port after the predetermined time period.

HDMI device and power-saving method for immediately switching HDMI ports

Growing community of inventors

Hsinchu, Taiwan

Kuo-Chang Cheng