发明申请
- 专利标题： Television proximity sensor
- 专利标题（中）： 电视接近传感器
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申请号： US11037277申请日： 2005-01-18
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公开(公告)号： US20050125820A1公开(公告)日： 2005-06-09
- 发明人: Daniel Nelson , John Peiffer , Venugopal Srinivasan
- 申请人： Daniel Nelson , John Peiffer , Venugopal Srinivasan
- 专利权人： Nielsen Media Research, Inc.
- 当前专利权人： Nielsen Media Research, Inc.
- 主分类号： H04N17/00
- IPC分类号： H04N17/00 ; H04H1/00 ; H04H60/32 ; H04H60/52 ; H04H60/56 ; H04N7/16 ; H04H9/00
摘要：
Systems and methods for determining whether a television is on and in near proximity are provided. An example system includes a sensor, an analog-to-digital converter, and a digital signal processor. The digital signal processor processes a set of digital audio samples detected by the sensor to determine if the sensor is in near proximity to a television in an on state
公开/授权文献
- US07343615B2 Television proximity sensor 公开/授权日：2008-03-11
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