H04H 20/61
For local area broadcast
Official title: for local area broadcast, e.g. instore broadcast
H04H20/61 (For local area broadcast) appears on 807 US grants and 960 published applications in this corpus.
Search patents in H04H- Granted patents
- 807
- Published applications
- 960
- Assignees
- 424
- Inventors
- 1,639
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 8 | 0 |
| 1997 | 13 | 0 |
| 1998 | 20 | 0 |
| 1999 | 14 | 0 |
| 2000 | 11 | 0 |
| 2001 | 11 | 6 |
| 2002 | 12 | 26 |
| 2003 | 10 | 29 |
| 2004 | 9 | 32 |
| 2005 | 12 | 32 |
| 2006 | 21 | 57 |
| 2007 | 16 | 72 |
| 2008 | 15 | 70 |
| 2009 | 22 | 53 |
| 2010 | 42 | 54 |
| 2011 | 29 | 53 |
| 2012 | 39 | 41 |
| 2013 | 47 | 47 |
| 2014 | 58 | 53 |
| 2015 | 48 | 93 |
| 2016 | 51 | 49 |
| 2017 | 53 | 41 |
| 2018 | 50 | 45 |
| 2019 | 37 | 21 |
| 2020 | 44 | 21 |
| 2021 | 27 | 24 |
| 2022 | 15 | 14 |
| 2023 | 15 | 5 |
| 2024 | 9 | 9 |
| 2025 | 10 | 9 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Node-enabled logistics receptacle in a wireless node network25 Aug 2026US 12,718,184 B2Federal Express Corporation
- Sound receiving/broadcasting system10 Mar 2026US 12,574,695 B2Image Technology, Inc.
- 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
- Resource sharing between vehicles13 Jan 2026US 12,524,720 B1Amazon Technologies, Inc.
- Broadcasting contextual information through modification of audio and video interfaces9 Dec 2025US 12,494,857 B2JVCKENWOOD Corporation
- Audio clock adjustment for multi-channel audio data output in network based public address30 Jul 2026US 2026/0222095 A1Inter. M Corporation
- Network-based public address receiver2 Jul 2026US 2026/0189864 A1Inter. M 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
- Networking systems, protocols, and methods for controlling target devices19 Mar 2026US 2026/0081988 A1AVI-On Labs, LLC
- Systems and methods for broadcasting audio20 Nov 2025US 2025/0358571 A1Bose Corporation
Most cited
By later US patents
- Multi-room entertainment system with in-room media player/dispenser1,755US 6,256,554 B12001
- System and method for generating and redeeming tokens828US 5,128,752 A1992
- System and method for playing games and rewarding successful players816US 5,697,844 AResponse Reward Systems L.C. · 1997
- Central and remote evaluation of responses of participatory broadcast audience with automatic crediting and couponing763US 5,759,101 AResponse Reward Systems L.C. · 1998
- Association management in a wireless node network755US 8,989,053 B1Fedex Corporate Services, Inc. · 2015