Inventor

NIELSEN CHRISTEN V

US83 patents

⚠️ This page may combine multiple inventors who share the name “NIELSEN CHRISTEN V”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIELSEN CHRISTEN V

NIELSEN CO US LLC

Display device on/off detection methods and apparatus

Methods and apparatus to capture images

Methods and apparatus to capture images

Timely addition of human-perceptible audio to mask an audio watermark

Display device on/off detection methods and apparatus

Display device on/off detection methods and apparatus

Methods and apparatus to capture images

Display device ON/OFF detection methods and apparatus

Display device on/off detection methods and apparatus

Methods and apparatus to capture images

Methods and apparatus to capture images

Display device on/off detection methods and apparatus

Methods and apparatus to detect an operating state of a display based on visible light

Timely addition of human-perceptible audio to mask an audio watermark

Display device on/off detection methods and apparatus

Methods and apparatus to identify and credit media using ratios of media characteristics

Methods and apparatus to identify and credit media using ratios of media characteristics

Methods and apparatus to identify and credit media using ratios of media characteristics

Methods and systems for reducing spillover by measuring a crest factor

Methods and apparatus to detect carrying of a portable audience measurement device

Methods and apparatus to perform audio sensor selection in an audience measurement device

Methods and apparatus to perform audio sensor selection in an audience measurement device

Metering apparatus and related methods

Methods and apparatus to enforce a power off state of an audience measurement device during shipping

Systems, apparatus, and methods to improve watermark detection in acoustic environments

Timely addition of human-perceptible audio to mask an audio watermark

Systems, apparatus, and methods to improve watermark detection in acoustic environments

Timely addition of human-perceptible audio to mask an audio watermark

Systems, apparatus, and methods to improve watermark detection in acoustic environments

Methods and apparatus to identify and credit media using ratios of media characteristics

Display device on/off detection methods and apparatus

Methods and apparatus for supplementing partially readable and/or inaccurate codes in media

Methods and apparatus to use station identification to enable confirmation of exposure to live media

Methods and apparatus to identify and credit media using ratios of media characteristics

Methods and apparatus to perform symbol-based watermark detection

Methods and apparatus to perform symbol-based watermark detection

Methods and apparatus to export tuning data collected in a receiving device

Methods and apparatus to perform audio sensor selection in an audience measurement device

NIELSEN CHRISTEN V

Display device on/off detection methods and apparatus

Methods and apparatus to capture images

Methods and systems for reducing spillover by measuring a crest factor

Methods and apparatus to enforce a power off state of an audience measurement device during shipping

Systems and methods for identifying a user of an electronic device

Methods and systems for reducing spillover by analyzing sound pressure levels

Methods and systems for reducing crediting errors due to spillover using audio codes and/or signatures

Methods and apparatus to collect media identifying data

Methods and systems for reducing spillover by detecting signal distortion

Methods and apparatus to enforce a power off state of an audience measurement device during shipping

INT DATA MATRIX INC

Apparatus for producing a dynamically variable machine readable binary code and method for reading and producing thereof

Apparatus, systems and methods for controlling power consumption in a selectively enabled processing system