×

Apparatus for grasping TV viewing condition in household

  • US 5,793,409 A
  • Filed: 12/18/1992
  • Issued: 08/11/1998
  • Est. Priority Date: 01/09/1989
  • Status: Expired due to Fees
First Claim
Patent Images

1. A television audience state measuring apparatus comprising:

  • an existence sensor for detecting a number of people and objects near a television receiver, said existence sensor including an ultrasonic sensor means for detecting objects and a heat sensor means for detecting heat within a predetermined range;

    a setter for setting a number of people who are following a program, which is being broadcast, among said number of people near said television receiver who are watching said program and among a number of people who are listening to said program and not near said television receiver;

    indicating means for indicating an inconsistency between a signal from said existence sensor and a signal from said setter; and

    a controller for comparing said signal from said existence sensor with said signal from said setter, for controlling operation of said existence sensor, and for determining number of people near said television receiver based on an output from said ultrasonic sensor means and said heat sensor means;

    said existence sensor and said setter being connected to an input side of said controller;

    said indicating means being connected to an output side of said controller;

    said controller outputting a report signal to said indicating means when said comparison proves inconsistent.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×