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.
Modern-day HDTV has its roots in research that was started in Japan by the NHK (Japan Broadcasting Corporation) in 1970. In 1977, the SMPTE (The Society of Motion Picture and Television Engineers) Study Group on High Definition Television was formed.