H04H 2201/50
Aspects of broadcast communication: characterised by the use of watermarks
Official title: characterised by the use of watermarks
H04H2201/50 (Aspects of broadcast communication: characterised by the use of watermarks) appears on 174 US grants and 189 published applications in this corpus.
Search patents in H04H- Granted patents
- 174
- Published applications
- 189
- Assignees
- 60
- Inventors
- 221
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 3 |
| 2002 | 3 | 4 |
| 2003 | 3 | 3 |
| 2004 | 2 | 4 |
| 2005 | 7 | 4 |
| 2006 | 2 | 7 |
| 2007 | 3 | 6 |
| 2008 | 1 | 3 |
| 2009 | 4 | 9 |
| 2010 | 6 | 10 |
| 2011 | 6 | 7 |
| 2012 | 5 | 4 |
| 2013 | 6 | 5 |
| 2014 | 12 | 11 |
| 2015 | 9 | 11 |
| 2016 | 7 | 10 |
| 2017 | 9 | 7 |
| 2018 | 8 | 10 |
| 2019 | 8 | 5 |
| 2020 | 13 | 13 |
| 2021 | 4 | 14 |
| 2022 | 19 | 13 |
| 2023 | 11 | 7 |
| 2024 | 11 | 11 |
| 2025 | 6 | 5 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods and apparatus for supplementing partially readable and/or inaccurate codes in media18 Aug 2026US 12,711,969 B2The Nielsen Company (US), LLC
- Methods and apparatus to perform audio sensor selection in an audience measurement device28 Jul 2026US 12,696,074 B2The Nielsen Company (US), LLC
- Methods and apparatus for optimizing station reference fingerprint loading using reference watermarks5 May 2026US 12,621,071 B2The Nielsen Company (US), LLC
- Media identification using watermarks and signatures5 May 2026US 12,621,072 B2The Nielsen Company (US), LLC
- Methods and apparatus to identify media presentations by analyzing network traffic31 Mar 2026US 12,593,101 B2
- Media identification using watermarks and signatures27 Aug 2026US 2026/0254547 A1The Nielsen Company (US), LLC
- Methods and apparatus to identify media presentations by analyzing network traffic9 Jul 2026US 2026/0197522 A1The Nielsen Company (US), LLC
- Audio watermarking for people monitoring23 Apr 2026US 2026/0112377 A1The Nielsen Company (US), LLC
- Method and a system for eliciting consent from a user to allow a personal connected object of the user to execute an instruction6 Nov 2025US 2025/0342005 A1360 of Me, Inc.
- Methods and apparatus to perform audio watermarking and watermark detection and extraction21 Aug 2025US 2025/0265293 A1The Nielsen Company (US), LLC
Most cited
By later US patents
- Integrating digital data with perceptible signals329US 6,389,055 B1Lucent Technologies Inc. · 2002
- Broadcast encoding system and method299US 6,272,176 B1Nielsen Media Research, Inc. · 2001
- Methods of interacting with audio and ambient music239US 7,562,392 B1Digimarc Corporation · 2009
- Decoding of information in audio signals213US 6,871,180 B1Arbitron Inc. · 2005
- Method of purchasing personal recording media, system for purchasing personal recording media, and media recorded with personal recording media purchasing program162US 5,900,608 A1999