G01C 3/18
With one observation point at each end of the base
Official title: with one observation point at each end of the base (G01C3/20 takes precedence)
G01C3/18 (With one observation point at each end of the base) appears on 28 US grants and 31 published applications in this corpus.
Search patents in G01C- Granted patents
- 28
- Published applications
- 31
- Assignees
- 28
- Inventors
- 82
- Latest grant
- 2 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 2 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 4 |
| 2007 | 2 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 2 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 3 |
| 2014 | 0 | 0 |
| 2015 | 2 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 3 |
| 2019 | 3 | 3 |
| 2020 | 4 | 2 |
| 2021 | 1 | 2 |
| 2022 | 2 | 0 |
| 2023 | 0 | 0 |
| 2024 | 2 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Structured light projection through the minimization of visual artifacts by way of deliberately introduced optical aberrations2 Jul 2024US 12,025,470 B2Hexagon Technology Center GmbH
- Aerial vehicle and orientation detection method using same2 Apr 2024US 11,946,771 B2Industrial Technology Research Institute
- Marker installation method and marker installation system24 May 2022US 11,339,543 B2Aichi Steel Corporation
- On-vehicle image processing device18 Jan 2022US 11,225,204 B2Hitachi Astemo, Ltd.
- Image processing apparatus, image processing method, and program6 Apr 2021US 10,970,877 B2Sony Corporation
- Vehicle-mounted imaging system10 Jul 2025US 2025/0222880 A1Hitachi Astemo, Ltd.
- Structured light projection through the minimization of visual artifacts by way of deliberately introduced optical aberrations18 Nov 2021US 2021/0356267 A1Hexagon Technology Center GmbH
- Aerial vehicle and orientation detection method using same7 Oct 2021US 2021/0310804 A1Industrial Technology Research Institute
- Marker installation method and marker installation system24 Sep 2020US 2020/0299909 A1Aichi Steel Corporation
- On-Vehicle Image Processing Device21 May 2020US 2020/0156560 A1Hitachi Automotive Systems, Ltd.
Most cited
By later US patents
- Optical transceiver apparatus for detecting distance between two cars35US 5,039,217 AMitsubishi Denki Kabushiki Kaisha · 1991
- Object recognition apparatus21US 7,499,638 B2Olympus Corporation · 2009
- System and method for determining range in response to image data20US 7,792,330 B1Mustang Technology Group, L.P. · 2010
- System for determining the position of at least one target by triangulation17US 5,008,543 ASAT (Societe Anonyme de Telecommunications) · 1991
- Passive/ranging/tracking processing method for collision avoidance guidance and control16US 6,489,922 B1American GNC Corporation · 2002