Arbitron® Portable People Meter™ Patents
The following patents apply to the Arbitron Portable People Meter™. Additional patents are pending in the United States and internationally.
| U.S. Patents | |
|---|---|
| U.S. 7,239,981 | Systems and methods for gathering audience measurement data |
| U.S. 7,222,071 | Audio data receipt/exposure measurement with code monitoring and signature extraction |
| U.S. 7,174,151 | Ensuring EAS performance in audio signal encoding |
| U.S. 6,996,237 | Apparatus and methods for including codes in audio signals |
| U.S. 6,871,180 | Decoding of information in audio signals |
| U.S. 6,862,355 | Message reconstruction from partial detection |
| U.S. 6,845,360 | Encoding multiple messages in audio data and detecting same |
| U.S. 6,421,445 | Apparatus and methods for including codes in audio signals |
| U.S. 5,787,334 | Method and apparatus for automatically identifying a program including a sound signal |
| U.S. 5,764,763 | Apparatus and methods for including codes in audio signals and decoding |
| U.S. 5,740,035 | Self-administered survey systems, methods and devices |
| U.S. 5,621,454 | Method and system for recognition of broadcast segments |
| U.S. 5,612,729 | Method and system for producing a signature characterizing an audio broadcast signal |
| U.S. 5,581,800 | Method and apparatus for automatically identifying a program including a sound signal |
| U.S. 5,579,124 | Method and apparatus for encoding/decoding broadcast or recorded segments and monitoring audience exposure thereto |
| U.S. 5,574,962 | Method and apparatus for automatically identifying a program including a sound signal |
| U.S. 5,572,246 | Method and apparatus for producing a signature characterizing an interval of a video signal while compensating for picture edge shift |
| U.S. 5,504,518 | Method and system for recognition of broadcast segments |
| U.S. 5,495,282 | Monitoring system for TV, cable and VCR |
| U.S. 5,483,276 | Compliance incentives for audience monitoring/recording devices |
| U.S. 5,450,490 | Apparatus and methods for including codes in audio signals and decoding |
| U.S. 5,436,653 | Method and system for recognition of broadcast segments |
| U.S. 5,408,258 | Method of automatically qualifying a signal reproduction device for installation of monitoring equipment |
| U.S. 5,235,414 | Non-obtrusive programming monitor |
| U.S. 5,019,899 | Electronic data encoding and recognition system |
| U.S. 4,912,552 | Distributed monitoring system |
| U.S. 4,845,741 | Modem ringing suppression circuit |
| U.S. 4,816,904 | Television and market research data collection system and method |
| U.S. 4,779,198 | Audience monitoring system |
| U.S. 4,739,398 | Method, apparatus and system for recognizing broadcast segments |
| For full text of these patents see http://www.uspto.gov/patft/index.html. | |
| International Patents | |
|---|---|
| France: | 9111989 |
| Austria: | E174737 |
| Germany: | P69227916.4 |
| EPO: | EP606341, EP712558 |
| UK: | 2260246, 2292506, 2302000, 2325826 |
| Norway: | 318581 |
| Canada: | Patents Pending |
Arbitron®, Portable People Meter™ and PPM™ are marks of Arbitron Inc.
Last updated: 12/07/07