H04N 23/671
In combination with active ranging signals
Official title: {in combination with active ranging signals, e.g. using light or sound signals emitted toward objects}
H04N23/671 (In combination with active ranging signals) appears on 439 US grants and 523 published applications in this corpus.
Search patents in H04N- Granted patents
- 439
- Published applications
- 523
- Assignees
- 207
- Inventors
- 1,030
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 7 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 3 |
| 2002 | 2 | 7 |
| 2003 | 2 | 8 |
| 2004 | 8 | 11 |
| 2005 | 6 | 13 |
| 2006 | 9 | 13 |
| 2007 | 8 | 10 |
| 2008 | 7 | 7 |
| 2009 | 7 | 6 |
| 2010 | 10 | 6 |
| 2011 | 5 | 6 |
| 2012 | 6 | 4 |
| 2013 | 6 | 6 |
| 2014 | 6 | 9 |
| 2015 | 5 | 9 |
| 2016 | 10 | 9 |
| 2017 | 10 | 17 |
| 2018 | 12 | 35 |
| 2019 | 27 | 44 |
| 2020 | 36 | 53 |
| 2021 | 42 | 42 |
| 2022 | 52 | 62 |
| 2023 | 41 | 36 |
| 2024 | 36 | 39 |
| 2025 | 35 | 34 |
| 2026 | 24 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Echo-based focus22 Sep 2026US 12,744,999 B2Cisco Technology, Inc.
- Image pickup apparatus, focus detecting method, and storage medium28 Jul 2026US 12,695,986 B2Canon Kabushiki Kaisha
- Information processing device, information processing method, and program30 Jun 2026US 12,671,898 B2Sony Group Corporation
- Metrology system utilizing scan lens for points-from-focus type processes16 Jun 2026US 12,656,593 B2Mitutoyo Corporation
- High speed multi-focal camera16 Jun 2026US 12,659,582 B2Dell Products L. P.
- Lidar-based surface vibration detection system for audio wave analysis1 Oct 2026US 2026/0296483 A1TORC Robotics, Inc.
- Image pickup apparatus, focus detecting method, and storage medium1 Oct 2026US 2026/0303967 A1Canon Kabushiki Kaisha
- Focusing method, camera, and storage medium17 Sep 2026US 2026/0281549 A1Shenzhen Reolink Technology Co., Ltd.
- Main subject determining apparatus, image capturing apparatus, main subject determining method, and storage medium10 Sep 2026US 2026/0268520 A1Canon Kabushiki Kaisha
- Method, system, and computer program product for capturing a target image10 Sep 2026US 2026/0270557 A1Solomon Technology Corporation
Most cited
By later US patents
- Image sensing device with different image sensing characteristics for documents and scenery105US 6,181,379 B2Minolta Co., Ltd. · 2001
- Electronic still camera with feedback control105US 6,700,619 B1Minolta Co., Ltd. · 2004
- Infrared camera system and method69US 7,477,309 B2Lockheed Martin Corporation · 2009
- Image input apparatus for capturing images of multiple resolutions67US 5,920,342 AKabushiki Kaisha Toshiba · 1999
- Method and apparatus for photographic measurement63US 7,912,320 B12011