CHARACTER BROADCAST RECEIVER

摘要

PURPOSE:To display a desired message while replacing it instantly by designating a character signal and the address of a message with a signal in synchronizing with a horizontal synchronizing signal. CONSTITUTION:A CPU20 and a display memory 18 in which addresses stored in plural messages and character signals are set by the CPU20 are provided. Further, a keyboard 16 to be operated by replacing the message to display is provided. The CPU20 gives the character signal and the address of the message to the memory 18 by giving an address request signal (d) in synchronizing with the horizontal synchronizing signal to the CPU20. Thus a recepient displays a desired message while replacing it instantly.