Motorola and CBS partnered to develop the "Home Televiser" for business and educational use in 1970 -- touted as a "miniature TV station". One drawback, it was priced at a hefty $795 ($4005 - 2005 dollars).
It plays color—or black-and-white—film cartridges through your color —or black-and-white—TV. It’s the Teleplayer.[via Modern Mechanix]