发明申请
US20050144632A1 Methods and apparatus to collect audience information associated with a media presentation 有权
收集与媒体演示相关的观众信息的方法和设备

Methods and apparatus to collect audience information associated with a media presentation
摘要:
Methods and apparatus to collect audience information associated with a media presentation are described herein. In an example method, the presence of one or more other media metering devices is monitored by a first media metering device associated with a media presentation device. A monitoring operation of the first media metering device is varied based on a presence of the one or more other media metering devices.
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