| 摘要 |
<p>A television distribution system is described which includes a central processing station (20) having a source of programming and a minicomputer which is configured to manage a variety of interactive television applications. These managed applications not only comprise encoded video and audio signal applications but comprise other digital applications such as computer programs, operating systems, instructions, financial transactions, coupon distribution, shop-at-home applications, ticket distribution, banking and financial transactions, video game support, and message exchanges. The described system also includes a receiver unit (40) which consists of a central processor, a random access memory, a ROM, a user interface, a display, a graphics generator, a printer, and a credit card reader which, together with supporting electronics and software, enable the production of coupons and other documents at the home of the user as well as allowing direct entry of credit card data into the system.</p> |
