DEVICE FOR PUBLIC POLL INVESTIGATION

摘要

The invention relates to a device studying the views of TV viewers, and is designed, based on a device for the collection of information about the viewers' interest in TV programmes, with a TV converter with indication of the screen of the TV set, enabling connection to a central computer, collecting and processing the information by a modem on a telephone line or on the return channel of a cable television network. 1 claim, 1 figure