H04N 21/42676
For modulating an analogue carrier signal to encode digital information or demodulating
Official title: {for modulating an analogue carrier signal to encode digital information or demodulating it to decode digital information, e.g. ADSL or cable modem}
H04N21/42676 (For modulating an analogue carrier signal to encode digital information or demodulating) appears on 369 US grants and 377 published applications in this corpus.
Search patents in H04N- Granted patents
- 369
- Published applications
- 377
- Assignees
- 145
- Inventors
- 676
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 6 | 0 |
| 1999 | 8 | 0 |
| 2000 | 8 | 0 |
| 2001 | 14 | 14 |
| 2002 | 8 | 29 |
| 2003 | 12 | 19 |
| 2004 | 14 | 26 |
| 2005 | 9 | 43 |
| 2006 | 19 | 19 |
| 2007 | 17 | 25 |
| 2008 | 15 | 22 |
| 2009 | 33 | 15 |
| 2010 | 25 | 15 |
| 2011 | 21 | 19 |
| 2012 | 13 | 14 |
| 2013 | 24 | 15 |
| 2014 | 22 | 19 |
| 2015 | 18 | 18 |
| 2016 | 17 | 15 |
| 2017 | 12 | 6 |
| 2018 | 13 | 7 |
| 2019 | 7 | 10 |
| 2020 | 8 | 8 |
| 2021 | 6 | 6 |
| 2022 | 5 | 3 |
| 2023 | 6 | 6 |
| 2024 | 4 | 2 |
| 2025 | 2 | 0 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of measuring network jitter18 Aug 2026US 12,712,796 B2ARRIS Enterprises LLC
- Electrocardiogram wave segmentation using machine learning4 Aug 2026US 12,701,286 B2Boston Scientific Cardiac Diagnostics, Inc.
- Supplemental services interface2 Sep 2025US 12,407,893 B2Comcast Cable Communications, LLC
- Out of band control for legacy set top boxes24 Jun 2025US 12,342,031 B2ARRIS Enterprises LLC
- Signal processing device and video display device comprising same22 Oct 2024US 12,126,857 B2LG Electronics Inc.
- Modulation-based docsis scheduler6 Aug 2026US 2026/0230347 A1Charter Communications Operating, LLC
- Supplemental Services Interface26 Feb 2026US 2026/0059164 A1Comcast Cable Communications, LLC
- Supplemental Services Interface25 Jan 2024US 2024/0031637 A1Comcast Cable Communications, LLC
- Method of measuring network jitter4 Jan 2024US 2024/0007379 A1ARRIS Enterprises LLC
- Receiver device and signal processing method7 Sep 2023US 2023/0283746 A1Realtek Semiconductor Corp.
Most cited
By later US patents
- Content programmer control of video and data display using associated data446US 5,541,662 AIntel Corporation · 1996
- Multiangle block reproduction system400US 5,999,698 AKabushiki Kaisha Toshiba · 1999
- Interactive video system375US 5,914,712 AVideo Jukebox Network, Inc. · 1999
- Audio setup and use instructions339US 5,903,266 AInternational Business Machines Corporation · 1999
- System and method for allowing family members to access TV contents and program media recorder over telephone or internet238US 6,324,512 B1Matsushita Electric Industrial Co., Ltd. · 2001