G01C 3/24
Measuring distances in line of sight: using a parallactic triangle with fixed
Official title: using a parallactic triangle with fixed angles and a base of variable length in the observation station, e.g. in the instrument
G01C3/24 (Measuring distances in line of sight: using a parallactic triangle with fixed) appears on 10 US grants and 7 published applications in this corpus.
Search patents in G01C- Granted patents
- 10
- Published applications
- 7
- Assignees
- 11
- Inventors
- 27
- Latest grant
- 3 Jan 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
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| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Hybrid refractive gradient-index optics for time-of-fly sensors3 Jan 2023US 11,543,499 B2Shenzhen Goodix Technology Co., Ltd.
- Optical distance measuring apparatus and electronic apparatus14 Feb 2017US 9,568,596 B2Sharp Kabushiki Kaisha
- Distance measuring apparatus and distance measuring method9 Oct 2012US 8,284,381 B2Panasonic Corporation
- Distance measuring device2 Jun 1998US 5,760,896 ARicoh Company, Ltd.
- Distance measuring method and means15 Aug 1989US 4,856,894 AAfgen (Proprietary) Limited
- Imaging device and three-dimensional measurement device including same26 Jun 2025US 2025/0208322 A1Panasonic Intellectual Property Management Co., Ltd.
- Distance measuring apparatus using sensor cover2 Feb 2023US 2023/0034798 A1Samsung Electronics Co., Ltd.
- Hybrid refractive gradient-index optics for time-of-fly sensors24 Jun 2021US 2021/0191009 A1Shenzhen Goodix Technology Co., Ltd.
- Optical distance measuring apparatus and electronic apparatus17 Sep 2015US 2015/0260829 A1Sharp Kabushiki Kaisha
- Laser distance measuring device5 Dec 2013US 2013/0321825 A1Chervon (HK) Limited
Most cited
By later US patents
- Optical electronic distance sensor with a parallel beam of light and adjustable detector-emitter separation49US 4,346,293 AErwin Sick GmbH Optik-Elektronik · 1982
- Optical inspection device for measuring depthwise variations from a focal plane44US 4,355,904 A1982
- Optical measuring system16US 4,204,772 ARecognition Systems, Inc. · 1980
- Distance measuring device9US 5,760,896 ARicoh Company, Ltd. · 1998
- Photographic camera with focussing system which time-multiplexes the signals from plural photodetectors6US 4,221,474 AAgfa-Gevaert · 1980