G01C 3/32
Measuring distances in line of sight: by focusing the object
Official title: by focusing the object, e.g. on a ground glass screen
G01C3/32 (Measuring distances in line of sight: by focusing the object) appears on 103 US grants and 83 published applications in this corpus.
Search patents in G01C- Granted patents
- 103
- Published applications
- 83
- Assignees
- 66
- Inventors
- 186
- Latest grant
- 12 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 2 | 0 |
| 2007 | 0 | 3 |
| 2008 | 1 | 1 |
| 2009 | 2 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 3 |
| 2012 | 2 | 7 |
| 2013 | 0 | 9 |
| 2014 | 10 | 6 |
| 2015 | 5 | 3 |
| 2016 | 6 | 12 |
| 2017 | 4 | 5 |
| 2018 | 6 | 10 |
| 2019 | 11 | 5 |
| 2020 | 6 | 6 |
| 2021 | 7 | 4 |
| 2022 | 4 | 1 |
| 2023 | 3 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Range measurement apparatus, storage medium and range measurement method12 Nov 2024US 12,143,725 B2Canon Kabushiki Kaisha
- Absolute distance measurement for time-of-flight sensors25 Jul 2023US 11,709,266 B2Rockwell Automation Safety AG
- System for identifying and picking spectrally distinct colonies27 Jun 2023US 11,685,894 B2Molecular Devices, LLC
- Machine tool with an optical measuring device for three dimensional registration between the tool holder and the work holder9 May 2023US 11,642,749 B2Ldi Finances
- System used for improving automatic control of machine operations of construction site machinery27 Dec 2022US 11,537,123 B2Leica Geosystems AG
- Measurement system and storage medium storing thereon measurement program20 Aug 2026US 2026/0243566 A1Kabushiki Kaisha Toshiba
- Holographic optical sight and range finder16 Jul 2026US 2026/0202196 A1Trulife Optics Limited
- Imaging apparatus capable of estimating imaging parameter, method of controlling imaging apparatus, and storage medium storing program9 Jul 2026US 2026/0197552 A1Canon Kabushiki Kaisha
- Distance measurement camera module1 Aug 2024US 2024/0255643 A1LG Innotek Co., Ltd.
- Range measurement apparatus, storage medium and range measurement method21 Jul 2022US 2022/0232166 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Apparatus and methods for determining the three-dimensional shape of an object using active illumination and relative blurring in two-images due to defocus519US 6,229,913 B1The Trustees of Columbia University in the City of New York · 2001
- Detector for optically detecting at least one longitudinal coordinate of one object by determining a number of illuminated pixels150US 9,829,564 B2BASF SE · 2017
- Detector for determining a longitudinal coordinate of an object via an intensity distribution of illuminated pixels144US 9,989,623 B2BASF SE · 2018
- Range determination system102US 4,185,191 AHoneywell Inc. · 1980
- Spatial imaging system73US 4,584,704 A1986