H04N 9/71
Combined with colour gain control
Official title: combined with colour gain control
H04N9/71 (Combined with colour gain control) appears on 19 US grants and 9 published applications in this corpus.
Search patents in H04N- Granted patents
- 19
- Published applications
- 9
- Assignees
- 14
- Inventors
- 28
- Latest grant
- 18 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 2 |
| 2022 | 2 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Light amount adjusting device, projection device, and light amount adjusting method18 Feb 2025US 12,231,826 B2JVCKENWOOD Corporation
- Signal processing device and method, and program4 Jul 2023US 11,696,052 B2Sony Semiconductor Solutions Corporation
- Medical control device and medical observation system using a different wavelength band than that of fluorescence of an observation target to control autofocus25 Oct 2022US 11,483,489 B2Sony Olympus Medical Solutions Inc.
- Signal processing device and method18 Oct 2022US 11,477,407 B2Sony Semiconductor Solutions Corporation
- Digital device, and system and method for controlling color using same17 Mar 2020US 10,594,992 B2LG Electronics Inc.
- Signal processing device and method, and program19 Jan 2023US 2023/0020003 A1Sony Semiconductor Solutions Corporation
- Light amount adjusting device, projection device, and light amount adjusting method28 Apr 2022US 2022/0132085 A1JVCKENWOOD Corporation
- Medical control device and medical observation system23 Sep 2021US 2021/0297575 A1Sony Olympus Medical Solutions Inc.
- Signal processing device and method, and program23 Sep 2021US 2021/0297616 A1Sony Semiconductor Solutions Corporation
- Digital device, and system and method for controlling color using same10 Jan 2019US 2019/0014294 A1LG Electronics Inc.
Most cited
By later US patents
- Control for color killer and automatic color limiter38US 4,253,108 AZenith Radio Corporation · 1981
- Combined digital color control and chroma killer device32US 5,452,016 ATexas Instruments Incorporated · 1995
- Digital color control and chroma killer device32US 5,654,769 ATexas Instruments Incorporated · 1997
- Chroma amplifier and color killer30US 4,298,884 AZenith Radio Corporation · 1981
- Chrominance signal gain control circuit9US 3,967,313 ASanyo Electric Co., Ltd. · 1976