H04N 23/67
Focus control based on electronic image sensor signals
H04N23/67 (Focus control based on electronic image sensor signals) appears on 8,059 US grants and 9,114 published applications in this corpus.
Search patents in H04N- Granted patents
- 8,059
- Published applications
- 9,114
- Assignees
- 1,185
- Inventors
- 9,873
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 7 | 0 |
| 1984 | 6 | 0 |
| 1985 | 8 | 0 |
| 1986 | 22 | 0 |
| 1987 | 12 | 0 |
| 1988 | 14 | 0 |
| 1989 | 15 | 0 |
| 1990 | 16 | 0 |
| 1991 | 25 | 0 |
| 1992 | 17 | 0 |
| 1993 | 23 | 0 |
| 1994 | 19 | 0 |
| 1995 | 34 | 0 |
| 1996 | 32 | 0 |
| 1997 | 28 | 0 |
| 1998 | 27 | 0 |
| 1999 | 32 | 0 |
| 2000 | 31 | 0 |
| 2001 | 30 | 36 |
| 2002 | 32 | 60 |
| 2003 | 33 | 81 |
| 2004 | 61 | 111 |
| 2005 | 52 | 152 |
| 2006 | 71 | 193 |
| 2007 | 70 | 199 |
| 2008 | 110 | 250 |
| 2009 | 175 | 272 |
| 2010 | 226 | 305 |
| 2011 | 225 | 323 |
| 2012 | 288 | 364 |
| 2013 | 337 | 421 |
| 2014 | 388 | 470 |
| 2015 | 438 | 543 |
| 2016 | 479 | 545 |
| 2017 | 527 | 538 |
| 2018 | 490 | 596 |
| 2019 | 599 | 598 |
| 2020 | 610 | 566 |
| 2021 | 491 | 489 |
| 2022 | 485 | 497 |
| 2023 | 420 | 471 |
| 2024 | 386 | 392 |
| 2025 | 404 | 359 |
| 2026 | 253 | 283 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04N 23/673Based on contrast or high frequency components of image signals2,702
- H04N 23/672Based on the phase difference signals2,064
- H04N 23/675Comprising setting of focusing regions1,446
- H04N 23/671In combination with active ranging signals439
- H04N 23/676Bracketing for image capture at varying focusing conditions348
Recent patents
- Ophthalmic observation apparatus6 Oct 2026US 12,751,618 B2Topcon Corporation
- Camera module, control method and apparatus, and electronic device6 Oct 2026US 12,756,913 B2Vivo Mobile Communication Co., Ltd.
- Phase-difference-based macro focusing method and apparatus for camera lens6 Oct 2026US 12,756,930 B2Huizhou Tcl Mobile Communication Co., Ltd.
- Image processing device and imaging device including the same6 Oct 2026US 12,756,942 B2SK hynix Inc.
- Determining a camera control point for virtual production6 Oct 2026US 12,756,945 B2Nant Holdings IP, LLC
- Learning-Based Camera Autofocus Prediction for Sparse Phase Detection Imaging Sensors8 Oct 2026US 2026/0313231 A1Google Inc.
- Control apparatus, image pickup apparatus, control method, and storage medium8 Oct 2026US 2026/0313232 A1Canon Kabushiki Kaisha
- Cis dr image sensor with linear output compressed processing and af handling8 Oct 2026US 2026/0313259 A1Samsung Electronics Co., Ltd.
- Lidar-based surface vibration detection system for audio wave analysis1 Oct 2026US 2026/0296483 A1TORC Robotics, Inc.
- Lens apparatus and image pickup apparatus1 Oct 2026US 2026/0299378 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Hall-effect based linear motor controller1,018US 8,084,969 B2Allegro MicroSystems, LLC · 2011
- Imaging terminal having focus control542US 8,692,927 B2Hand Held Products, Inc. · 2014
- Customer facing imaging systems and methods for obtaining images517US 8,777,109 B2Hand Held Products, Inc. · 2014
- Autofocusing optical imaging device508US 8,760,563 B2Hand Held Products, Inc. · 2014
- Two-dimensional imager with solid-state auto-focus496US 8,988,590 B2Intermec IP Corp. · 2015