H04H 2201/30
Aspects of broadcast communication: characterised by the use of a return channel
Official title: characterised by the use of a return channel, e.g. for collecting users' opinions, for returning broadcast space/time information or for requesting data
H04H2201/30 (Aspects of broadcast communication: characterised by the use of a return channel) appears on 326 US grants and 412 published applications in this corpus.
Search patents in H04H- Granted patents
- 326
- Published applications
- 412
- Assignees
- 196
- Inventors
- 691
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 9 | 1 |
| 2002 | 9 | 13 |
| 2003 | 4 | 8 |
| 2004 | 3 | 19 |
| 2005 | 4 | 25 |
| 2006 | 5 | 23 |
| 2007 | 8 | 30 |
| 2008 | 10 | 31 |
| 2009 | 13 | 33 |
| 2010 | 18 | 14 |
| 2011 | 22 | 15 |
| 2012 | 16 | 19 |
| 2013 | 26 | 25 |
| 2014 | 15 | 21 |
| 2015 | 14 | 25 |
| 2016 | 23 | 15 |
| 2017 | 16 | 13 |
| 2018 | 15 | 18 |
| 2019 | 21 | 15 |
| 2020 | 15 | 14 |
| 2021 | 12 | 8 |
| 2022 | 11 | 12 |
| 2023 | 8 | 8 |
| 2024 | 4 | 3 |
| 2025 | 6 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Advertising audience monitoring in a content distribution system11 Nov 2025US 12,470,311 B2TELECOM ITALIA S p.A.
- Sponsor driven digital marketing for live television broadcast7 Oct 2025US 12,437,322 B2
- Real-time audience measurement system26 Aug 2025US 12,401,845 B2Adeia Media Solutions Inc.
- Method and system for digital marketing and the provision of digital content3 Jun 2025US 12,321,963 B2Brandactif Ltd.
- Generation of media station previews using a secondary tuner4 Mar 2025US 12,242,257 B2Gracenote, Inc.
- Wireless communication device and image display apparatus including the same26 Feb 2026US 2026/0059429 A1LG Electronics Inc.
- Adaptive content distribution using private encoded audio identifiers10 Jul 2025US 2025/0227339 A1Google Inc.
- Generation of Media Station Previews Using a Secondary Tuner22 May 2025US 2025/0164982 A1Gracenote, Inc.
- Audience attendance monitoring through facial recognition6 Feb 2025US 2025/0047934 A1Google Inc.
- Sponsor driven digital marketing for live television broadcast13 Jun 2024US 2024/0193641 A1Brandactif Ltd.
Most cited
By later US patents
- Information distribution and processing system1,219US 7,508,789 B2Data Innovation LLC · 2009
- Information distribution and processing system1,212US 8,457,545 B2Online News Link LLC · 2013
- Audio and video transmission and receiving system941US 5,132,992 A1992
- Media online services access via address embedded in video or audio program818US 5,761,606 A1998
- Access system and method for providing interactive access to an information source through a networked distribution system564US 5,961,603 AWorldGate Communications, Inc. · 1999