H04N 21/4221
Dedicated function buttons
Official title: {Dedicated function buttons, e.g. for the control of an EPG, subtitles, aspect ratio, picture-in-picture or teletext}
H04N21/4221 (Dedicated function buttons) appears on 764 US grants and 1,046 published applications in this corpus.
Search patents in H04N- Granted patents
- 764
- Published applications
- 1,046
- Assignees
- 297
- Inventors
- 1,650
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 8 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 7 | 0 |
| 1997 | 3 | 0 |
| 1998 | 12 | 0 |
| 1999 | 14 | 0 |
| 2000 | 5 | 0 |
| 2001 | 15 | 10 |
| 2002 | 4 | 40 |
| 2003 | 17 | 23 |
| 2004 | 13 | 32 |
| 2005 | 9 | 57 |
| 2006 | 17 | 64 |
| 2007 | 13 | 54 |
| 2008 | 21 | 54 |
| 2009 | 21 | 51 |
| 2010 | 24 | 35 |
| 2011 | 22 | 35 |
| 2012 | 40 | 24 |
| 2013 | 41 | 47 |
| 2014 | 53 | 130 |
| 2015 | 60 | 64 |
| 2016 | 64 | 58 |
| 2017 | 42 | 54 |
| 2018 | 41 | 32 |
| 2019 | 33 | 31 |
| 2020 | 28 | 31 |
| 2021 | 28 | 27 |
| 2022 | 25 | 28 |
| 2023 | 19 | 19 |
| 2024 | 19 | 20 |
| 2025 | 20 | 15 |
| 2026 | 13 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Display device22 Sep 2026US 12,744,956 B2Hisense Visual Technology Co., Ltd.
- System and method for configuring controlling device functionality11 Aug 2026US 12,707,111 B2Universal Electronics Inc.
- 1-click video calling through television21 Jul 2026US 12,689,706 B2OnScreen Inc.
- Display device and method thereof23 Jun 2026US 12,663,879 B2Samsung Electronics Co., Ltd.
- Broadcast receiving system23 Jun 2026US 12,666,104 B2Maxell, Ltd.
- System and method for reconfiguration of an entertainment system controlling device17 Sep 2026US 2026/0281490 A1Universal Electronics Inc.
- Systems and method for providing video on demand in an intelligent television6 Aug 2026US 2026/0227864 A1Multimedia Technologies Pte, Ltd
- Display device and control method thereof2 Jul 2026US 2026/0189757 A1LG Electronics Inc.
- Display device capable of displaying a customized recommendation utterance18 Jun 2026US 2026/0172620 A1LG Electronics Inc.
- Tv, and method for controlling tv9 Apr 2026US 2026/0101080 A1LG Electronics Inc.
Most cited
By later US patents
- Portable internet-enabled controller and information browser for consumer devices812US 6,104,334 AeRemote, Inc. · 2000
- Method and system for automatically tracking a zoomed video image730US 5,610,653 A1997
- Method and apparatus for displaying an interactive television program guide540US 5,844,620 AGeneral Instrument Corporation · 1998
- Apparatus and method for total parental control of television use433US 5,382,983 A1995
- Global speech user interface415US 8,005,679 B2Promptu Systems Corporation · 2011