Issued Patents All Time
Showing 51–75 of 85 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9961342 | Display device on/off detection methods and apparatus | Dan Nelson | 2018-05-01 |
| 9843717 | Methods and apparatus to capture images | — | 2017-12-12 |
| 9838739 | Methods and apparatus to collect media identifying data | — | 2017-12-05 |
| 9560267 | Methods and apparatus to capture images | — | 2017-01-31 |
| 9519909 | Methods and apparatus to identify users of handheld computing devices | Scott Cooper | 2016-12-13 |
| 9491508 | Methods and apparatus to detect carrying of a portable audience measurement device | Daniel Nelson | 2016-11-08 |
| 9420334 | Display device on/off detection methods and apparatus | Dan Nelson | 2016-08-16 |
| 9392227 | Methods and apparatus to export tuning data collected in a receiving device | Mark Richard Cave | 2016-07-12 |
| 9380339 | Methods and systems for reducing crediting errors due to spillover using audio codes and/or signatures | — | 2016-06-28 |
| 9332306 | Methods and systems for reducing spillover by detecting signal distortion | — | 2016-05-03 |
| 9282366 | Methods and apparatus to communicate audience measurement information | — | 2016-03-08 |
| 9264748 | Methods and systems for reducing spillover by measuring a crest factor | — | 2016-02-16 |
| 9223297 | Systems and methods for identifying a user of an electronic device | — | 2015-12-29 |
| 9219969 | Methods and systems for reducing spillover by analyzing sound pressure levels | — | 2015-12-22 |
| 9191704 | Methods and systems for reducing crediting errors due to spillover using audio codes and/or signatures | — | 2015-11-17 |
| 9148695 | Methods and apparatus to collect media identifying data | — | 2015-09-29 |
| 9118960 | Methods and systems for reducing spillover by detecting signal distortion | — | 2015-08-25 |
| 9082004 | Methods and apparatus to capture images | — | 2015-07-14 |
| 9021516 | Methods and systems for reducing spillover by measuring a crest factor | — | 2015-04-28 |
| 8843948 | Methods and apparatus to detect carrying of a portable audience measurement device | Daniel Nelson | 2014-09-23 |
| 8799937 | Methods and apparatus to enforce a power off state of an audience measurement device during shipping | — | 2014-08-05 |
| 8526626 | Display device on/off detection methods and apparatus | Dan Nelson | 2013-09-03 |
| 8505042 | Methods and apparatus for identifying viewing information associated with a digital media device | Charles Clinton Conklin, Joseph G. Milavsky | 2013-08-06 |
| 8375404 | Methods and apparatus to enforce a power off state of an audience measurement device during shipping | Larry Patterson | 2013-02-12 |
| 8248234 | Methods and apparatus to detect carrying of a portable audience measurement device | Daniel Nelson | 2012-08-21 |