Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9398331 | Power management for audience measurement meters | Charles Clinton Conklin, James Joseph Vitt, Min Zhang | 2016-07-19 |
| 8924994 | Power management for audience measurement meters | Charles Clinton Conklin, James Joseph Vitt, Min Zhang | 2014-12-30 |
| 8087042 | Methods and apparatus to detect an internally generated signal mode of a local media playback device | — | 2011-12-27 |
| 7748014 | Methods and apparatus to detect an internally generated signal mode of a local media playback device | — | 2010-06-29 |
| 7594242 | Methods and apparatus to detect an internally generated signal mode of a local media playback device | — | 2009-09-22 |
| 6523175 | Methods and apparatus for identifying the source of a user selected signal via an intermediate frequency probe | — | 2003-02-18 |
| 5889548 | Television receiver use metering with separate program and sync detectors | — | 1999-03-30 |