SMALL RANGE VIDEO IMAGE TRANSMITTER AND ITS METHOD

摘要

PROBLEM TO BE SOLVED: To allow the user to surely view a video image at every seated position by providing a video source installed in a same area, a transmitter that sends a video image through a radio wave or a light and a desired number of receivers that receive the transmission signal and display the video image and arranging the receivers so as not to cause any dead angle for viewers. SOLUTION: In the case that lots of participants are gathered together and view a same video image in a place such as a hall provided to a karaoke sing along machine or a conference hall, a video device 2 and a transmitter 3 connecting there to are installed in a same hall. Furthermore, a plurality of monitors 4 freely receiving video images are arranged so as to cause any dead angle for participants. The transmitter 3 converts the frequency of a video signal obtained from the video equipment 2 into a frequency at a UHF band or an infrared ray frequency and the converted frequency signal is transmitted. The output of the transmitter 3 is as small as just a reach within the hall. On the other hand, a plurality of the monitors 4 placed in the hall each provided with a tuner capable of receiving the UHF band or infrared ray signal and display the video reception signal.