Inventor

SHEEN YONG HOO

KR4 patents

Patents

4 patents

US6826137B1Nov 30, 2004

Apparatus and method for authentication/copy protection of optical storage medium and the optical storage medium

LG ELECTRONICS INC21 citations90

US6014492AJan 11, 2000

Video signal recording and reproducing apparatus for digital video cassette tape recorder

LG ELECTRONICS INC7 citations70

US5937135AAug 10, 1999

Tape-independent video signal recording and reproducing apparatus

LG ELECTRONICS INC3 citations59

US5751511AMay 12, 1998

Capstan phase control method for video cassette tape recorder

LG ELECTRONICS INC0 citations25