H04N 9/648
Video amplifiers
Official title: {Video amplifiers}
H04N9/648 (Video amplifiers) appears on 41 US grants and 7 published applications in this corpus.
Search patents in H04N- Granted patents
- 41
- Published applications
- 7
- Assignees
- 20
- Inventors
- 64
- Latest grant
- 21 Feb 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 2 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Color correction for video communications using display content color information21 Feb 2023US 11,589,021 B1Meta Platforms, Inc.
- Light detecting apparatus and image acquiring apparatus7 Jul 2020US 10,704,953 B2Olympus Corporation
- Chroma reshaping based on just noticeable differences24 Mar 2020US 10,602,110 B2Dolby Laboratories Licensing Corporation
- Image processing apparatus, image pickup apparatus, image processing method, and non-transitory computer-readable medium18 Jul 2017US 9,712,797 B2Olympus Corporation
- Imaging device, method for controlling imaging device, and storage medium storing a control program24 Feb 2015US 8,964,087 B2FUJIFILM Corporation
- Light detecting apparatus and image acquiring apparatus11 Jul 2019US 2019/0212193 A1Olympus Corporation
- Chroma reshaping based on just noticeable differences27 Jun 2019US 2019/0199989 A1Dolby Laboratories Licensing Corporation
- Image processing apparatus, image pickup apparatus, image processing method, and non-transitory computer-readable medium25 Aug 2016US 2016/0249029 A1Olympus Corporation
- Imaging device, method for controlling imaging device, and storage medium storing a control program6 Nov 2014US 2014/0327797 A1FUJIFILM Corporation
- Video line driver9 Mar 2006US 2006/0049707 A1Intersil Americas Inc.
Most cited
By later US patents
- Video amplifier with suppressed radio frequency radiation22US 4,118,731 ARCA Corporation · 1978
- Amplifier and display apparatus employing the same22US 5,546,048 AHitachi, Ltd. · 1996
- Gain control arrangement useful in a television signal processing system13US 3,961,361 ARCA Corporation · 1976
- Television receiver with delayed display13US 4,660,093 ARCA Corporation · 1987
- Video amplifier11US 4,096,517 ARCA Corporation · 1978