Display device on/off detection methods and apparatus
AssigneeThe Nielsen Company (US), LLC
InventorsChristen V. Nielsen, Dan Nelson
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Abstract
Display device ON/OFF detection methods and apparatus are disclosed. Example methods disclosed herein include measuring, with a first sensor, a first temperature value associated with the media device. Example methods disclosed herein also include measuring, with a second sensor, a second temperature value corresponding to an ambient temperature in an environment including the media device. Example methods disclosed herein further include comparing the first temperature value to the second temperature value to make a first determination indicating whether the media device is ON or OFF.
Claims20
A method to determine whether a media device is ON or OFF, the method comprising:
- measuring, with a first sensor attached or positioned proximate to the media device, a first temperature value associated with the media device;
- measuring, with a second sensor positioned away from the media device in an environment including the media device, a second temperature value corresponding to an ambient temperature in the environment including the media device;
- comparing, by executing an instruction with a processor, the first temperature value to the second temperature value based on a threshold;
- and
- determining, by executing an instruction with the processor, whether the media device is ON or OFF based on a result of the comparing of the first temperature value to the second temperature value based on the threshold.
A computer readable storage device or storage disk comprising computer readable instructions which, when executed, cause a processor to at least:
- measure, based on a first sensor attached or positioned proximate to a media device, a first temperature value associated with the media device;
- measure, based on a second sensor positioned away from the media device in an environment including the media device, a second temperature value corresponding to an ambient temperature in the environment including the media device;
- compare the first temperature value to the second temperature value based on a threshold;
- and
- determine whether the media device is ON or OFF based on a result of the first temperature value being compared to the second temperature value based on the threshold.
A metering apparatus comprising:
- a first sensor to attach or position proximate to a media device to measure a first temperature value associated with the media device;
- a second sensor to position away from the media device in an environment including the media device to measure a second temperature value corresponding to an ambient temperature in the environment including the media device;
- a temperature detector to:
- compare the first temperature value to the second temperature value based on a threshold;
- and
- determine whether the media device is ON or OFF based on a result of the first temperature value being compared to the second temperature value based on the threshold.
Dependencies are inferred from the claim text.