People metering enhanced with light projection prompting for audience measurement
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United States of America Patent
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Dec 13, 2022
Grant Date -
Mar 11, 2021
app pub date -
Nov 16, 2020
filing date -
Nov 16, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
Example meters disclosed herein include a user interface to accept user input in response to activation of a prompting indicator. Disclosed example meters also include a controller to activate a light projector to project light onto a first projection area of a surface, the light projector activated in association with the activation of the prompting indicator. In some examples, the controller is also to control the light projector to project light onto a second projection area of the surface in response to expiration of a time period without receipt of any user input responsive the activation of the prompting indicator.
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