H04N 5/14
Picture signal circuitry for video frequency region
Official title: Picture signal circuitry for video frequency region (cameras or camera modules comprising electronic image sensors, or control thereof H04N23/00)
H04N5/14 (Picture signal circuitry for video frequency region) appears on 7,379 US grants and 5,561 published applications in this corpus.
Search patents in H04N- Granted patents
- 7,379
- Published applications
- 5,561
- Assignees
- 1,518
- Inventors
- 10,555
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 43 | 0 |
| 1977 | 28 | 0 |
| 1978 | 27 | 0 |
| 1979 | 9 | 0 |
| 1980 | 33 | 0 |
| 1981 | 50 | 0 |
| 1982 | 30 | 0 |
| 1983 | 54 | 0 |
| 1984 | 29 | 0 |
| 1985 | 51 | 0 |
| 1986 | 50 | 0 |
| 1987 | 96 | 0 |
| 1988 | 55 | 0 |
| 1989 | 88 | 0 |
| 1990 | 78 | 0 |
| 1991 | 88 | 0 |
| 1992 | 104 | 0 |
| 1993 | 136 | 0 |
| 1994 | 166 | 0 |
| 1995 | 145 | 0 |
| 1996 | 165 | 0 |
| 1997 | 162 | 0 |
| 1998 | 219 | 0 |
| 1999 | 187 | 0 |
| 2000 | 157 | 0 |
| 2001 | 158 | 56 |
| 2002 | 188 | 221 |
| 2003 | 160 | 222 |
| 2004 | 168 | 284 |
| 2005 | 151 | 353 |
| 2006 | 246 | 332 |
| 2007 | 186 | 331 |
| 2008 | 210 | 330 |
| 2009 | 187 | 375 |
| 2010 | 260 | 402 |
| 2011 | 246 | 263 |
| 2012 | 391 | 241 |
| 2013 | 337 | 197 |
| 2014 | 361 | 202 |
| 2015 | 240 | 303 |
| 2016 | 216 | 236 |
| 2017 | 238 | 196 |
| 2018 | 192 | 188 |
| 2019 | 218 | 184 |
| 2020 | 195 | 165 |
| 2021 | 164 | 132 |
| 2022 | 108 | 102 |
| 2023 | 111 | 90 |
| 2024 | 88 | 76 |
| 2025 | 71 | 50 |
| 2026 | 39 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04N 5/144Movement detection2,320
- H04N 5/21Circuitry for suppressing or minimising disturbance2,060
- H04N 5/20Circuitry for controlling amplitude response1,582
- H04N 5/147Scene change detection708
- H04N 5/142Edging443
- H04N 5/16Circuitry for reinsertion of dc and slowly varying components of signal348
- H04N 5/148Video amplifiers98
- H04N 5/141Beam current control means15
Recent patents
- Image processing apparatus and image processing method6 Oct 2026US 12,755,361 B2Sony Group Corporation
- Adaptive transfer function for video encoding and decoding15 Sep 2026US 12,739,397 B2Apple Inc.
- Display device and operating method therefor8 Sep 2026US 12,732,588 B2LG Electronics Inc.
- Video processing method, video processing device, and recording medium1 Sep 2026US 12,726,585 B2Panasonic Intellectual Property Management Co., Ltd.
- Cascade image processing for noise reduction25 Aug 2026US 12,718,336 B2QUALCOMM Incorporated
- Virtual and augmented reality systems and methods17 Sep 2026US 2026/0277014 A1Magic Leap, Inc.
- Video cut detection13 Aug 2026US 2026/0237211 A1InterDigital CE Patent Holdings, SAS
- Dynamic tone mapping6 Aug 2026US 2026/0228870 A1Roku, Inc.
- Image processing method, apparatus and device, and computer-readable storage medium6 Aug 2026US 2026/0230705 A1Goertek Technology Co., Ltd.
- Sensor device and method for operating a sensor device6 Aug 2026US 2026/0230718 A1Sony Semiconductor Solutions Corporation
Most cited
By later US patents
- Apparatus for and method of controlling digital image processing apparatus1,018US 8,427,430 B2Samsung Electronics Co., Ltd. · 2013
- Virtual and augmented reality systems and methods701US 9,791,700 B2Magic Leap, Inc. · 2017
- Moving image compression quality enhancement using displacement filters with negative lobes497US 6,728,317 B1Dolby Laboratories Licensing Corporation · 2004
- Pixel interpolation filters for video decompression processor462US 5,638,128 AGeneral Instrument Corporation of Delaware · 1997
- Method and system for video browsing on the world wide web417US 5,884,056 AInternational Business Machines Corporation · 1999