US 11,838,585 B2
Detecting an operational state of a media device
Bostjan Valencic, Koper (SI); and Igor Sotosek, Portoroz (SI)
Assigned to The Nielsen Company (US), LLC, New York, NY (US)
Filed by The Nielsen Company (US), LLC, New York, NY (US)
Filed on Dec. 5, 2022, as Appl. No. 18/075,126.
Application 18/075,126 is a continuation of application No. 17/529,792, filed on Nov. 18, 2021, granted, now 11,523,178.
Claims priority of provisional application 63/116,620, filed on Nov. 20, 2020.
Prior Publication US 2023/0094632 A1, Mar. 30, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H04N 21/442 (2011.01); H04N 21/4363 (2011.01)
CPC H04N 21/4424 (2013.01) [H04N 21/43635 (2013.01)] 24 Claims
OG exemplary drawing
 
1. An apparatus to detect an operational state of a media device, the apparatus comprising:
at least one memory:
instructions in the apparatus; and
processor circuitry to execute the instructions to at least:
monitor for activity on a first bus of an (HDMI) port of the media device;
inject a message with a first address on the first bus in response to detection of no activity on the first bus for at least a threshold duration; and
detect the operational state of the media device based on whether a response to the message is received on the first bus.