Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Methods and apparatus to determine a number of people in an area

Methods and apparatus to determine a number of people in an area

US Patent 9179185 · Granted Nov 3, 2015

Estimated economic value: $68,831,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Methods and apparatus to determine sources of media presentations2025
Methods and systems to monitor a media device via a USB port2024
Methods and systems to monitor a media device via a USB port2024
Methods and apparatus to locate unknown media devices2024
Methods and apparatus to measure audience exposure to media streams with a wirel2024
Methods and apparatus to determine a number of people in an area2024
Methods and apparatus to determine a number of people in an area2024
Methods and apparatus to determine a number of people in an area2024
Methods and apparatus to determine a number of people in an area2024
Methods and systems to monitor a media device via a USB port2024
Methods and systems to monitor a media device via a USB port2023
Methods and apparatus to determine sources of media presentations2023