Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8924995 | Methods and apparatus for monitoring the insertion of local media content into a program stream | Arun Ramaswamy | 2014-12-30 |
| 8732738 | Audience measurement systems and methods for digital television | Daozheng Lu, William A. Feininger | 2014-05-20 |
| 8548373 | Methods and apparatus for identifying a digital audio signal | John C. Peiffer, Michael Alan Hicks, David Howell Wright, Paul M. Mears, Venugopal Srinivasan +1 more | 2013-10-01 |
| 7742737 | Methods and apparatus for identifying a digital audio signal | John C. Peiffer, Michael Alan Hicks, David Howell Wright, Paul M. Mears, Venugopal Srinivasan +1 more | 2010-06-22 |
| 7587728 | Methods and apparatus to monitor reception of programs and content by broadcast receivers | Henry B. Wheeler, Daozheng Lu, William A. Feininger | 2009-09-08 |
| 5526427 | Universal broadcast code and multi-level encoded signal monitoring system | William L. Thomas, David H. Harkness | 1996-06-11 |
| 5425100 | Universal broadcast code and multi-level encoded signal monitoring system | William L. Thomas, David H. Harkness | 1995-06-13 |
| 4943963 | Data collection and transmission system with real time clock | Jerome R. Waechter, James T. Patten | 1990-07-24 |