Device for alpha numeric representation of program-accompanying additional information in displaying device, has displaying device with television connected by upper side band port receiving current supply from upper side band port

摘要

The device has displaying device (1) with a television device (2) connected by an upper side band port. The displaying device receives data, which is to be represented, from the upper side band port. The displaying device receives current supply from the upper side band port. The displaying device has additional upper side band controller, a processor unit (5) and a display unit. The upper side band controller along with the processor unit converts the data, which is to be represented, in format compatible for the display unit to represent.