Invitation cards with 3-dimension display means and manufacture method therof
KR20070040357A
Ear and mike device and mike volume control device thereof
WO0212994A1
Reading device and method thereof using display
KR20020006294A
Method and System for practising reading power using internet and storaging media
KR20020006106A
Apparatus and method for on-line game with multi-display control
KR20020003956A
System and Method for learning languages by using bone-path hearing function of a deaf person and storage media
KR20010111356A
Method and Apparatus for processing cyber ceremonies through internet
KR20010111127A
Human type clock with interactive conversation fuction using tele communication and system for supplying data to clocks and method for internet business
KR20010106613A
Method of vehicle call service interworking internet and mobile network
KR20010096320A
Method and device for drawing a lottery being sold in telephone and/or internet
KR20010090907A
Method for studying in multi-channel palying device using select output audio and caption data and Device for emplementing it
KR20010087513A
System and Method for transferring a fact using telecommunication means
KR20010081678A
Method for displaying advertisiments on telephone having motion pictures display and Telephone having advertisiment display and Method for advertisment using telephone having motion pictures display
KR20010105350A
Method for raising voting rate/questionnaire returning and ballot paper/questionnaire used therein
KR20010078606A
Method for advertising commercial using digital files
KR20010077759A
Remote education system using internet or computer communication and Method for studying curriculum using the system
KR20010054297A
The mapping method for digital motion pictures and replaying method by using of it
KR20010046480A
Mobile phone having antenna downward
KR20010046233A
An area setting and a play executing method for repeat-playing in a digital audio player
