G01C 3/00
Measuring distances in line of sight
Official title: Measuring distances in line of sight; Optical rangefinders (tapes, chains or wheels for measuring length G01B3/00; active triangulation systems, i.e. using the transmission and reflection of electromagnetic waves other than radio waves, G01S17/48)
G01C3/00 (Measuring distances in line of sight) appears on 2,774 US grants and 2,974 published applications in this corpus.
Search patents in G01C- Granted patents
- 2,774
- Published applications
- 2,974
- Assignees
- 1,018
- Inventors
- 4,937
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 11 | 0 |
| 1978 | 9 | 0 |
| 1979 | 6 | 0 |
| 1980 | 12 | 0 |
| 1981 | 16 | 0 |
| 1982 | 21 | 0 |
| 1983 | 17 | 0 |
| 1984 | 11 | 0 |
| 1985 | 12 | 0 |
| 1986 | 13 | 0 |
| 1987 | 25 | 0 |
| 1988 | 13 | 0 |
| 1989 | 9 | 0 |
| 1990 | 11 | 0 |
| 1991 | 11 | 0 |
| 1992 | 4 | 0 |
| 1993 | 10 | 0 |
| 1994 | 14 | 0 |
| 1995 | 7 | 0 |
| 1996 | 20 | 0 |
| 1997 | 16 | 0 |
| 1998 | 30 | 0 |
| 1999 | 30 | 0 |
| 2000 | 29 | 0 |
| 2001 | 35 | 24 |
| 2002 | 48 | 28 |
| 2003 | 33 | 32 |
| 2004 | 29 | 38 |
| 2005 | 26 | 40 |
| 2006 | 37 | 64 |
| 2007 | 31 | 47 |
| 2008 | 43 | 52 |
| 2009 | 35 | 65 |
| 2010 | 56 | 58 |
| 2011 | 53 | 72 |
| 2012 | 45 | 118 |
| 2013 | 55 | 118 |
| 2014 | 118 | 128 |
| 2015 | 118 | 140 |
| 2016 | 117 | 141 |
| 2017 | 119 | 181 |
| 2018 | 141 | 221 |
| 2019 | 186 | 206 |
| 2020 | 186 | 218 |
| 2021 | 169 | 210 |
| 2022 | 174 | 211 |
| 2023 | 157 | 145 |
| 2024 | 137 | 140 |
| 2025 | 163 | 172 |
| 2026 | 96 | 105 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01C 3/02Details2,172
- G01C 3/10Measuring distances in line of sight: using a parallactic triangle with variable307
- G01C 3/32Measuring distances in line of sight: by focusing the object103
- G01C 3/22Measuring distances in line of sight: using a parallactic triangle with variable56
- G01C 3/24Measuring distances in line of sight: using a parallactic triangle with fixed10
- G01C 3/26Measuring distances in line of sight: using a parallactic triangle with fixed9
Recent patents
- Systems and methods of sensor data fusion6 Oct 2026US 12,754,977 B2Digital Global Systems, Inc.
- Surveying device comprising a range imaging sensor and a settable target illuminator to provide an area illumination in different illumination states29 Sep 2026US 12,747,944 B2Hexagon Innovation Hub GmbH
- Optical element assembly, optical apparatus, estimation method, and non-transitory storage medium storing estimation program29 Sep 2026US 12,748,247 B2Kabushiki Kaisha Toshiba
- Systems and methods of sensor data fusion29 Sep 2026US 12,748,823 B2Digital Global Systems, Inc.
- Image sensing device for correcting depth information29 Sep 2026US 12,751,098 B2SK hynix Inc.
- Printing apparatus and printing method1 Oct 2026US 2026/0296075 A1Seiko Epson Corporation
- Optical device, light applying method, and service providing method1 Oct 2026US 2026/0299096 A1Japan Cell Co., Ltd.
- Optical device, light applying method, and service providing method1 Oct 2026US 2026/0299097 A1Japan Cell Co., Ltd.
- Optical device, light applying method, and service providing method1 Oct 2026US 2026/0299098 A1Japan Cell Co., Ltd.
- Photoelectric conversion device and photoelectric conversion system1 Oct 2026US 2026/0303997 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Three-dimensional imaging and display system582US 8,018,579 B1Apple Inc. · 2011
- Pedometer system and method of use566US 7,062,225 B2Affinity Labs, LLC · 2006
- Athletic monitoring system and method551US 7,519,327 B2Affinity Labs of Texas, LLC · 2009
- 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
- Electro-optical range finding and speed detection system507US 5,642,299 A1997