H04N 9/7908
Suppression of interfering signals at the reproducing side
Official title: {Suppression of interfering signals at the reproducing side, e.g. noise}
H04N9/7908 (Suppression of interfering signals at the reproducing side) appears on 137 US grants and 33 published applications in this corpus.
Search patents in H04N- Granted patents
- 137
- Published applications
- 33
- Assignees
- 47
- Inventors
- 211
- Latest grant
- 25 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 8 | 0 |
| 1989 | 8 | 0 |
| 1990 | 10 | 0 |
| 1991 | 11 | 0 |
| 1992 | 11 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 11 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 2 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 1 | 3 |
| 2016 | 2 | 5 |
| 2017 | 4 | 1 |
| 2018 | 4 | 1 |
| 2019 | 0 | 2 |
| 2020 | 5 | 3 |
| 2021 | 1 | 4 |
| 2022 | 4 | 2 |
| 2023 | 2 | 2 |
| 2024 | 2 | 1 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Video control device, video recording device, video control method, video recording method, and video control program25 Mar 2025US 12,262,157 B2FUJIFILM Corporation
- Denoising method and denoising device for reducing noise in an image11 Feb 2025US 12,225,330 B2Samsung Electronics Co., Ltd.
- Method and apparatus with color conversion18 Jun 2024US 12,015,883 B2Samsung Electronics Co., Ltd.
- Denoising method and denoising device for reducing noise in an image30 Jan 2024US 11,889,242 B2Samsung Electronics Co., Ltd.
- Method for filtering noise of lens operation and video recording system12 Sep 2023US 11,758,287 B2Aver Information Inc.
- Video control device, video recording device, video control method, video recording method, and video control program12 Jun 2025US 2025/0193356 A1FUJIFILM Corporation
- Denoising method and denoising device for reducing noise in an image23 May 2024US 2024/0171718 A1Samsung Electronics Co., Ltd.
- Method and apparatus with color conversion18 May 2023US 2023/0156168 A1Samsung Electronics Co., Ltd.
- Video control device, video recording device, video control method, video recording method, and video control program16 Mar 2023US 2023/0081752 A1FUJIFILM Corporation
- Denoising method and denoising device for reducing noise in an image17 Nov 2022US 2022/0368874 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Video processing in which high frequency luminance components are folded into a mid-band spectrum50US 4,831,463 A1989
- Frequency demodulator having circuit cancelling undesired signal components21US 4,908,581 AMatsushita Electric Industrial Co., Ltd. · 1990
- Video signal processing circuit with comb filter19US 4,355,333 ASony Corporation · 1982
- Video signal processing circuit for eliminating an interfering signal18US 4,291,330 ASony Corporation · 1981
- System for reducing or suppressing noise components in television signal18US 4,302,768 AMatsushita Electric Industrial Co., Ltd. · 1981