H04N 9/797
For recording the signal in a plurality of channels, the bandwidth of
Official title: for recording the signal in a plurality of channels, the bandwidth of each channel being less than the bandwidth of the signal (H04N9/804, H04N9/81, H04N9/82 take precedence)
H04N9/797 (For recording the signal in a plurality of channels, the bandwidth of) appears on 369 US grants and 65 published applications in this corpus.
Search patents in H04N- Granted patents
- 369
- Published applications
- 65
- Assignees
- 69
- Inventors
- 491
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 11 | 0 |
| 1988 | 6 | 0 |
| 1989 | 15 | 0 |
| 1990 | 10 | 0 |
| 1991 | 14 | 0 |
| 1992 | 22 | 0 |
| 1993 | 21 | 0 |
| 1994 | 28 | 0 |
| 1995 | 22 | 0 |
| 1996 | 33 | 0 |
| 1997 | 18 | 0 |
| 1998 | 28 | 0 |
| 1999 | 12 | 0 |
| 2000 | 23 | 0 |
| 2001 | 12 | 2 |
| 2002 | 9 | 1 |
| 2003 | 8 | 5 |
| 2004 | 2 | 3 |
| 2005 | 1 | 2 |
| 2006 | 4 | 4 |
| 2007 | 4 | 3 |
| 2008 | 2 | 4 |
| 2009 | 3 | 1 |
| 2010 | 3 | 0 |
| 2011 | 3 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 11 |
| 2014 | 2 | 2 |
| 2015 | 7 | 3 |
| 2016 | 6 | 8 |
| 2017 | 5 | 1 |
| 2018 | 4 | 3 |
| 2019 | 2 | 5 |
| 2020 | 8 | 2 |
| 2021 | 0 | 1 |
| 2022 | 2 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Determination of luminance values using image signal processing pipeline29 Sep 2026US 12,750,468 B1NVIDIA Corporation
- Determination of luminance values using image signal processing pipeline4 Feb 2025US 12,219,301 B1NVIDIA Corporation
- Surgical microscope having a connection region for attaching a protective glass module3 Dec 2024US 12,159,441 B2Carl Zeiss Meditec AG
- Determination of luminance values using image signal processing pipeline25 Apr 2023US 11,637,998 B1NVIDIA Corporation
- Auto white balance adjusting method and auto white balance adjusting system for calibrating images by using dual color spaces20 Dec 2022US 11,533,462 B2Weltrend Semiconductor Inc.
- Surgical microscope having a connection region for attaching a protective glass module23 Mar 2023US 2023/0093637 A1Carl Zeiss Meditec AG
- Auto White Balance Adjusting Method and Auto White Balance Adjusting System for Calibrating Images by Using Dual Color Spaces13 Oct 2022US 2022/0329769 A1Weltrend Semiconductor Inc.
- Image sensor21 Jul 2022US 2022/0232179 A1Samsung Electronics Co., Ltd.
- Image sensor and driving method thereof7 Jan 2021US 2021/0006761 A1Samsung Electronics Co., Ltd.
- Image processing apparatus, image capturing apparatus, image processing method, and storage medium5 Mar 2020US 2020/0077069 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Television camera and recording system for high definition television having imagers of different frame rate157US 4,652,909 ANew York Institute of Technology · 1987
- High speed video distribution and manufacturing system151US 5,909,638 AMaximum Video Systems, Inc. · 1999
- Method of recording picture information, record carrier, and picture retrieval and reproduction device for reading the record carrier118US 5,583,653 AU. S. Philips Corporation · 1996
- Apparatus for recording and reproducing a digital video signal in the form of order-rearranged and coded data113US 5,175,631 AMatsushita Electric Industrial Co., Ltd. · 1992
- Deemphasis and subsequent reemphasis of high-energy reversed-spectrum components of a folded video signal112US 6,246,827 B1Samsung Electronics Co., Ltd. · 2001