CN103401471A
|
|
Piezoelectric ceramic-based energy recovery system and handheld equipment
|
CN103402156A
|
|
Acoustic system
|
CN103399318A
|
|
Fingertip positioning system and method
|
CN103399634A
|
|
Gesture recognition system and gesture recognition method
|
CN103297889A
|
|
Earphone
|
CN103296387A
|
|
Combined antenna and electronic device using same
|
CN103258676A
|
|
Key system and electronic equipment using same
|
CN103259903A
|
|
Multifunctional sound generating system, sound generating method and communication terminal with system
|
CN103227863A
|
|
System and method of automatically switching call direction and mobile terminal applying system
|
CN103063206A
|
|
Piezoelectric gyroscope
|
CN103067815A
|
|
Loudspeaker box
|