Inventor

CHAN CHEUK WAN

US7 patents

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

NIELSEN CO US LLC

3 patents

US7594242B2Sep 22, 2009

Methods and apparatus to detect an internally generated signal mode of a local media playback device

NIELSEN CO US LLC3 citations60

US9398331B2Jul 19, 2016

Power management for audience measurement meters

NIELSEN CO US LLC0 citations51

US7748014B2Jun 29, 2010

Methods and apparatus to detect an internally generated signal mode of a local media playback device

NIELSEN CO US LLC0 citations50

NIELSEN MEDIA RES INC

2 patents

US6523175B1Feb 18, 2003

Methods and apparatus for identifying the source of a user selected signal via an intermediate frequency probe

NIELSEN MEDIA RES INC178 citations96

US5889548AMar 30, 1999

Television receiver use metering with separate program and sync detectors

NIELSEN MEDIA RES INC158 citations96

CONKLIN CHARLES CLINTON

1 patent

US8924994B2Dec 30, 2014

Power management for audience measurement meters

CONKLIN CHARLES CLINTON19 citations90

CHAN CHEUK WAN

1 patent

US8087042B2Dec 27, 2011

Methods and apparatus to detect an internally generated signal mode of a local media playback device

CHAN CHEUK WAN1 citations54