Sensor unit for controlling television set operation

摘要: A viewer-presence sensor unit (12) for controlling operation of a television set (10). The first includes detector (18) sensing presence living being near the and timer (20) measuring amount time non-presence being. Second, incorporates power interruption switch (22) activated by terminating to upon reaching measurement term is selectable period, can range from less than an hour 24 hours depending needs viewing habits user. Detectors non-limitedly be chosen motion heat sensors, have utility up reasonable distance set.