H04H 2201/90
Aspects of broadcast communication: characterised by the use of signatures
Official title: characterised by the use of signatures
H04H2201/90 (Aspects of broadcast communication: characterised by the use of signatures) appears on 364 US grants and 427 published applications in this corpus.
Search patents in H04H- Granted patents
- 364
- Published applications
- 427
- Assignees
- 79
- Inventors
- 296
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 5 |
| 2003 | 2 | 3 |
| 2004 | 1 | 5 |
| 2005 | 0 | 5 |
| 2006 | 1 | 7 |
| 2007 | 2 | 16 |
| 2008 | 1 | 13 |
| 2009 | 3 | 12 |
| 2010 | 8 | 18 |
| 2011 | 12 | 11 |
| 2012 | 11 | 18 |
| 2013 | 17 | 20 |
| 2014 | 29 | 37 |
| 2015 | 24 | 31 |
| 2016 | 30 | 24 |
| 2017 | 25 | 38 |
| 2018 | 27 | 25 |
| 2019 | 29 | 18 |
| 2020 | 33 | 40 |
| 2021 | 24 | 30 |
| 2022 | 23 | 13 |
| 2023 | 21 | 15 |
| 2024 | 15 | 8 |
| 2025 | 10 | 13 |
| 2026 | 6 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods and apparatus to credit media based on presentation rate4 Aug 2026US 12,700,935 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
- Signature retrieval and matching for media monitoring7 Apr 2026US 12,598,349 B2The Nielsen Company (US), LLC
- Methods and apparatus to generate reference signatures31 Mar 2026US 12,593,102 B2The Nielsen Company (US), LLC
- Media identification using watermarks and signatures27 Aug 2026US 2026/0254547 A1The Nielsen Company (US), LLC
- Methods and apparatus to generate reference signatures2 Jul 2026US 2026/0189753 A1The Nielsen Company (US), LLC
- Vehicle-based media system with audio ad and visual content synchronization feature9 Oct 2025US 2025/0317229 A1Gracenote, Inc.
- Method and System for Metering Audio Exposure from a Wireless Personal Listening Device2 Oct 2025US 2025/0308539 A1The Nielsen Company (US), LLC
- Adaptive content distribution using private encoded audio identifiers10 Jul 2025US 2025/0227339 A1Google Inc.
Most cited
By later US patents
- Audience measurement system utilizing ancillary codes and passive signatures1,063US 5,481,294 AA. C. Nielsen Company · 1996
- Broadcast program identification method and system881US 4,230,990 A1980
- Method and system for recognition of broadcast segments587US 5,436,653 AArbitron Inc. · 1995
- TV content segmentation, categorization and identification and time-aligned applications399US 9,510,044 B1Gracenote, Inc. · 2016
- Method and system for producing a signature characterizing an audio broadcast signal319US 5,612,729 AArbitron Inc. · 1997