| 摘要 |
<p>An interactive television distribution system which includes a central processing station (20) having a source of programming, a central minicomputer (800) configured to manage a variety of interactive television applications including digitally encoded video, and audio signals and other digital data including but not limited to computer programs, commands, operating systems, instructions, database, financial transactions, coupon distribution, shop-at-home applications, theater and sporting event ticket distribution, banking and financial services, video game support, and message exchanges, a receiver/processor unit (40) consisting of a central processor (160), random access memory, system software ROM (138), user interface (54), liquid crystal display (56), and a graphics generator (124). Primary features of the system include a printer (60) and card reader (70) together with supporting processing electronics and system management software to enable the production of coupons and other documents on demand in the home of a user, and to download credit card data directly into the system.</p> |
