Issued Patents All Time
Showing 151–175 of 191 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8411897 | Advanced watermarking system and method | Atul Puri | 2013-04-02 |
| 8369972 | Methods and apparatus to perform audio watermarking and watermark detection and extraction | Alexander Topchy, Arun Ramaswamy | 2013-02-05 |
| 8364491 | Methods and apparatus for characterizing media | Alexander Topchy, Arun Ramaswamy | 2013-01-29 |
| 8359205 | Methods and apparatus to perform audio watermarking and watermark detection and extraction | Alexander Topchy | 2013-01-22 |
| 8351645 | Methods and apparatus for embedding watermarks | — | 2013-01-08 |
| 8244527 | Audio signature extraction and correlation | Keqiang Deng, Daozheng Lu | 2012-08-14 |
| 8230226 | Advanced watermarking system and method | Atul Puri | 2012-07-24 |
| 8225342 | Methods and apparatus to collect audience information associated with a media presentation | Paul M. Mears, Arun Ramaswamy, Dan Nelson, Kevin Keqiang Deng, John C. Peiffer | 2012-07-17 |
| 8194923 | Methods and apparatus for detecting a composition of an audience of an information presenting device | Arun Ramaswamy, Daniel Nelson | 2012-06-05 |
| 8121830 | Methods and apparatus to extract data encoded in media content | Alexander Topchy | 2012-02-21 |
| 8085975 | Methods and apparatus for embedding watermarks | — | 2011-12-27 |
| 8078301 | Methods and apparatus for embedding codes in compressed audio data streams | — | 2011-12-13 |
| 8060372 | Methods and appratus for characterizing media | Alexander Topchy, Arun Ramaswamy | 2011-11-15 |
| 7926073 | Methods and apparatus for indirect illumination in electronic media rating systems | John William Buonasera, Christen V. Nielsen | 2011-04-12 |
| 7853124 | Data insertion apparatus and methods for use with compressed audio/video data | Arun Ramaswamy | 2010-12-14 |
| 7848540 | Methods and apparatus for embedding and recovering an image for use with video content | Dan Nelson, Arun Ramaswamy | 2010-12-07 |
| 7805739 | Methods and apparatus for indirect illumination in electronic media rating systems | John William Buonasera, Christen V. Nielsen | 2010-09-28 |
| 7783889 | Methods and apparatus for generating signatures | — | 2010-08-24 |
| 7752042 | Methods and apparatus to operate an audience metering device with voice commands | — | 2010-07-06 |
| 7742737 | Methods and apparatus for identifying a digital audio signal | John C. Peiffer, Michael Alan Hicks, David Howell Wright, Paul M. Mears, Daozheng Lu +1 more | 2010-06-22 |
| 7742618 | Methods and apparatus for embedding and recovering an image for use with video content | Dan Nelson, Arun Ramaswamy | 2010-06-22 |
| 7672843 | Audio signature extraction and correlation | Keqiang Deng, Daozheng Lu | 2010-03-02 |
| 7643652 | Method and apparatus for embedding watermarks | — | 2010-01-05 |
| 7631324 | Methods and apparatus for indirect illumination in electronic media rating systems | John William Buonasera, Christen V. Nielsen | 2009-12-08 |
| 7609853 | Detecting a composition of an audience | Arun Ramaswamy, Daniel Nelson | 2009-10-27 |