H04H 2201/18
In band on channel [iboc]
Official title: in band on channel [IBOC]
H04H2201/18 (In band on channel [iboc]) appears on 205 US grants and 164 published applications in this corpus.
Search patents in H04H- Granted patents
- 205
- Published applications
- 164
- Assignees
- 62
- Inventors
- 207
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 5 |
| 2002 | 9 | 3 |
| 2003 | 10 | 3 |
| 2004 | 2 | 8 |
| 2005 | 4 | 6 |
| 2006 | 4 | 4 |
| 2007 | 4 | 7 |
| 2008 | 4 | 5 |
| 2009 | 2 | 8 |
| 2010 | 7 | 8 |
| 2011 | 14 | 7 |
| 2012 | 8 | 5 |
| 2013 | 6 | 8 |
| 2014 | 8 | 12 |
| 2015 | 14 | 8 |
| 2016 | 9 | 5 |
| 2017 | 12 | 11 |
| 2018 | 7 | 12 |
| 2019 | 10 | 10 |
| 2020 | 12 | 6 |
| 2021 | 6 | 3 |
| 2022 | 5 | 3 |
| 2023 | 7 | 5 |
| 2024 | 3 | 3 |
| 2025 | 4 | 5 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Opportunistic muting of all-digital stations during noisy acquisition22 Sep 2026US 12,744,610 B2iBiquity Digital Corporation
- Quantized transport for importer-exporter audio client in digital radio broadcast25 Aug 2026US 12,719,600 B2iBiquity Digital Corporation
- System and method for providing radio content to a vehicle using an enhanced AM radio access system24 Feb 2026US 12,562,830 B2Ford Global Technologies, LLC
- Emergency alert secondary audio substitution in digital radio broadcasting21 Oct 2025US 12,451,986 B2iBiquity Digital Corporation
- Systems and method for consistent FM/HD1 diversity delay23 Sep 2025US 12,425,116 B2Nautel Limited
- Multiband radio systems and methods with dual triplexers and single front-to-back end coaxial connector cable13 Aug 2026US 2026/0238367 A1GM Global Technology Operations LLC
- Digital Signal Quality Metric For AM HD Radio Signal23 Jul 2026US 2026/0213863 A1iBiquity Digital Corporation
- System and method for providing radio content to a vehicle using an enhanced am radio access system18 Jun 2026US 2026/0172129 A1Ford Global Technologies, LLC
- Emergency Alert Secondary Audio Substitution In Digital Radio Broadcasting2 Apr 2026US 2026/0095269 A1iBiquity Digital Corporation
- Method And System For Using An Encoded Audio Stream Within A Digital Radio Broadcasting Chain10 Jul 2025US 2025/0226902 A1iBiquity Digital Corporation
Most cited
By later US patents
- In-band on-channel digital broadcasting method and system229US 5,949,796 A1999
- Method and apparatus for digital audio broadcasting and reception211US 5,315,583 AUSA Digital Radio · 1994
- Method and system for simultaneously broadcasting and receiving digital and analog signals179US 5,956,624 AUSA Digital Radio Partners, L.P. · 1999
- Multistream in-band on-channel systems179US 6,353,637 B1Lucent Technologies Inc. · 2002
- AM-compatible digital broadcasting method and system173US 6,005,894 A1999