Information transmission system having system clock synchronizing means and information transmitting apparatuses thereof

摘要

An information transmission system where a receiving side apparatus selectively switches among a plurality of transmitting side apparatuses for connection, including a plurality of first information transmitting apparatuses, a second information transmitting apparatus for selectively receiving information from these first apparatuses, and a system clock synchronizing means comprised of a frequency information transmitting unit provided at the second transmitting apparatus side and transmitting frequency information F′ and system clock synchronizing units provided at the first information transmitting apparatus sides and using frequency information F′ distributed to them from the frequency information transmitting unit as master information, wherein shock (disturbance of information) occurring at the time of switching can be suppressed.