SYSTEM FOR SUPPLYING A PRIVATE DATA

摘要

PURPOSE: A private information providing system recognizing a private signal from a specific person is provided to transmit image data including the private signal to the specific person only. CONSTITUTION: A private information providing system comprises the following: an image insertion unit(12) inserting a private image signal into a public video signal by repeating on and off states with the predetermined frequency; an image transmitting unit(13) transmitting the public video signal including the private image signal to a display device(16); and a shutter device(15) for users to wear, including a shutter closing when the private image signal is turned off and opening when the private image signal is turned on.