Issued Patents All Time
Showing 76–85 of 85 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8156517 | Methods and apparatus to enforce a power off state of an audience measurement device during shipping | — | 2012-04-10 |
| 8040237 | Methods and apparatus to detect carrying of a portable audience measurement device | Daniel Nelson | 2011-10-18 |
| 7926073 | Methods and apparatus for indirect illumination in electronic media rating systems | John William Buonasera, Venugopal Srinivasan | 2011-04-12 |
| 7882514 | Display device on/off detection methods and apparatus | Dan Nelson | 2011-02-01 |
| 7805739 | Methods and apparatus for indirect illumination in electronic media rating systems | John William Buonasera, Venugopal Srinivasan | 2010-09-28 |
| 7786987 | Methods and apparatus to detect an operating state of a display based on visible light | — | 2010-08-31 |
| 7779435 | Methods and apparatus to export tuning data collected in a receiving device | Mark Richard Cave | 2010-08-17 |
| 7631324 | Methods and apparatus for indirect illumination in electronic media rating systems | John William Buonasera, Venugopal Srinivasan | 2009-12-08 |
| 5568607 | Apparatus, systems and methods for controlling power consumption in a selectively enabled processing system | Mamoru Ishikawa | 1996-10-22 |
| 5324923 | Apparatus for producing a dynamically variable machine readable binary code and method for reading and producing thereof | Robert S. Cymbalski | 1994-06-28 |