Television proximity sensor

Details Television proximity sensor Television proximity sensor

2008-03-11

2008-03-11

Lonsberry, Hunter B. (Department: 2623)

Interactive video distribution systems

Use surveying or monitoring

By passively monitoring receiver operation

C725S015000, C725S017000, C725S018000

Reexamination Certificate

active

11037277

ABSTRACT:
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.

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International Search Report from Corresponding Patent Application No. PCT/US02/12333 Apr. 7, 2003.

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