76660565
May 25, 2006
Oct 16, 2007
Captioning system comprising of a central processing unit, synchronizing interface, wireless data transmitter, captioning display units that are battery powered, wireless and/or digital display technology (PDA, LCD, LED) for the use in movie theaters, classrooms, sports stadiums, religious services, and similar types of venues to deliver closed captioning material to the hearing impaired
Electrical and Scientific Apparatus