Detection as to the reproduction expiration time of contents is executed, using the measured time of a system clock managed based on system time data from a base station BS. If the reproduction expiration time of the contents is not exceeded, the contents can be reproduced, whereas if it is exceeded, the contents are not reproduced, and a message "Expired" is generated and displayed on a display.

 
Web www.patentalert.com

< Algebraic geometric code adapted to error bursts

> Multimedia communication method using virtual world interface in mobile personal computers

~ 00482