Inventor

CHENG HUA-DONG

CN31 patents

⚠️ This page may combine multiple inventors who share the name “CHENG HUA-DONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHENG HUA-DONG

HONGFUJIN PREC IND SHENZHEN

Electronic device and page zooming method thereof

Electronic malfunction diagnostic apparatus and method

Control apparatus and method for controlling measuring devices to test electronic apparatuses

Audio test apparatus capable of decreasing noise influence in process of audio device testing and method thereof

Portable electronic apparatus with a power saving function and method for implementing the power saving function

File display system and method thereof

Portable electronic apparatus and method for timely receiving and displaying electronic files

Electronic apparatus with fake charging preventing function and method thereof

System, portable electronic apparatus and method for timely receiving and displaying electronic files

Portable electronic apparatus with a power saving function and method for implementing the power saving function

Backup system and backcup method thereof

CHENG HUA-DONG

Electronic device capable of controlling LED backlight modules and method thereof

Audio test apparatus and test method thereof

Apparatus and method for testing electronic apparatuses

ENSKY TECHNOLOGY SHENZHEN CO LTD

Robotic device

Content scrolling system and method

HSIEH KUAN-HONG

LED display device providing current correction and correction method thereof

Remote control for electronic reader and remote control method

LI XIAO-GUANG

Displaying device with user-defined display regions and method thereof

Portable electronic device with controllers

ZHAO XIN

Electronic device with infrared touch input function

Power management circuit and electronic device using the same

SUN JIAN

Display testing apparatus and method

CHIANG TSU-LI

Robot apparatus and output control method thereof

HON FU JIN PREC INDUSTRY SHEN

System, electronic device and method for timely receiving and displaying electronic files

FU TAI HUA IND SHENZHEN CO LTD

Electronic device, handwriting input recognition system, and method for recognizing handwritten input thereof

WANG HAN-CHE

Mobile terminal and method for displaying contact list in order of priority levels

FU TAI HUA IND (SHENZHEN) CO LTD

Electronic device and method for saving power in the electronic device

SHENZHEN AIRDRAWING TECH SERVICE CO LTD

Electronic device for displaying and adjusting image layers in graphical user interface and method thereof

LIU TE-JIA

Method and electronic device capable of searching and displaying selected text

LONG HUAI-YANG

Electronic device with touch screen and page flipping method