G01B 9/0207
Error reduction by correction of the measurement signal based on independently determined
Official title: {Error reduction by correction of the measurement signal based on independently determined error sources, e.g. using a reference interferometer}
G01B9/0207 (Error reduction by correction of the measurement signal based on independently determined) appears on 524 US grants and 507 published applications in this corpus.
Search patents in G01B- Granted patents
- 524
- Published applications
- 507
- Assignees
- 269
- Inventors
- 977
- Latest grant
- 6 Oct 2026
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| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
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| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
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| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 7 | 0 |
| 1997 | 9 | 0 |
| 1998 | 7 | 0 |
| 1999 | 14 | 0 |
| 2000 | 10 | 0 |
| 2001 | 6 | 2 |
| 2002 | 9 | 5 |
| 2003 | 7 | 25 |
| 2004 | 12 | 16 |
| 2005 | 12 | 21 |
| 2006 | 19 | 24 |
| 2007 | 16 | 16 |
| 2008 | 29 | 23 |
| 2009 | 22 | 17 |
| 2010 | 9 | 27 |
| 2011 | 20 | 18 |
| 2012 | 16 | 18 |
| 2013 | 23 | 20 |
| 2014 | 16 | 25 |
| 2015 | 17 | 29 |
| 2016 | 26 | 10 |
| 2017 | 17 | 15 |
| 2018 | 16 | 14 |
| 2019 | 17 | 16 |
| 2020 | 15 | 18 |
| 2021 | 16 | 32 |
| 2022 | 28 | 31 |
| 2023 | 18 | 27 |
| 2024 | 19 | 22 |
| 2025 | 27 | 20 |
| 2026 | 15 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Image-plane self-calibration in interferometry using closed triad imaging6 Oct 2026US 12,754,009 B2Associated Universties, Inc.
- Method, a device and a system for numerical data processing22 Sep 2026US 12,740,700 B2OPTOPOL Technology Spolka z ograniczona odpowiedzialnoscia
- Method for calibrating a self-mixing interferometer and self-mixing interference measurement arrangement25 Aug 2026US 12,716,707 B2ams International AG
- Optical coherence tomography system for subsurface inspection7 Jul 2026US 12,674,657 B2Energetiq Technology, Inc.
- Systems and methods for multi-surface profile estimation via optical coherence tomography23 Jun 2026US 12,663,256 B2Mitsubishi Electric Research Laboratories, Inc.
- Device for carrying out an optical coherence tomography10 Sep 2026US 2026/0266588 A1Heidelberg Engineering GmbH
- Apparatus for examining the retina of an eye20 Aug 2026US 2026/0240431 A1Heidelberg Engineering GmbH
- Method for determining a position by differential optical interferometry and differential interferometer for doing the same6 Aug 2026US 2026/0227172 A1Prodrive Technologies Innovation Services B.V.
- Automated interferometric metrology system for use with exchangeable optical element having embedded calibration information30 Jul 2026US 2026/0219030 A1Zygo Corporation
- Optical coherence tomography apparatus, method of controlling thereof, and recording medium23 Jul 2026US 2026/0210695 A1Topcon Corporation
Most cited
By later US patents
- Methods and apparatus for high speed longitudinal scanning in imaging systems551US 6,191,862 B1LightLab Imaging, Inc. · 2001
- Method and apparatus for performing optical frequency domain reflectometry488US 6,160,826 AMassachusetts Institute of Technology · 2000
- Method and apparatus for performing optical measurements using a rapidly frequency-tuned laser478US 5,956,355 AMassachusetts Institute of Technology · 1999
- Depth-resolved spectroscopic optical coherence tomography381US 6,002,480 A1999
- Polarization independent optical coherence-domain reflectometry334US 5,202,745 AHewlett-Packard Company · 1993