发明名称 |
METHODS AND APPARATUS TO DETECT CARRYING OF A PORTABLE AUDIENCE MEASUREMENT DEVICE |
摘要 |
Methods and apparatus to detect carrying of a portable audience measurement device are disclosed herein. An example portable audience measurement device includes a housing; a media detector in the housing to collect media exposure data; an attachment mechanism coupled to the housing to secure the housing to a person; and a sensor to detect a status of the attachment mechanism to enable determination of whether the device is being carried by the person.
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申请公布号 |
US2010077420(A1) |
申请公布日期 |
2010.03.25 |
申请号 |
US20080234458 |
申请日期 |
2008.09.19 |
申请人 |
NIELSEN CHRISTEN V;NELSON DANIEL J |
发明人 |
NIELSEN CHRISTEN V.;NELSON DANIEL J. |
分类号 |
H04H60/33 |
主分类号 |
H04H60/33 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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