Cuba Tourist Visa. Everyone wishing to enter Cuba as a Tourist is required to apply for a Tourist Visa-card. A tourist card is valid ONLY for leisure or recreational purposes. It is not valid for other travel purposes. A Tourist Card is valid only for one entry within 180 days after the date of issue.
HD-CVi & HD-TVi Technologies. HDTVI (High Definition Transport Video Interface) is the HD Video transmission Interface. HDTVI technology can be implemented in existing simulation on a transmission line reliable kop HD video signal transmission.
HDTV (high definition television) HDTV (high definition television) is a television display technology that provides picture quality similar to 35 mm. movies with sound quality similar to that of today's compact disc. Some television stations have begun transmitting HDTV broadcasts to users on a limited number of channels.