H05B 45/22
Using optical feedback
Official title: using optical feedback
H05B45/22 (Using optical feedback) appears on 1,076 US grants and 1,273 published applications in this corpus.
Search patents in H05B- Granted patents
- 1,076
- Published applications
- 1,273
- Assignees
- 486
- Inventors
- 1,894
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 8 | 8 |
| 2003 | 8 | 12 |
| 2004 | 5 | 9 |
| 2005 | 6 | 33 |
| 2006 | 23 | 57 |
| 2007 | 25 | 43 |
| 2008 | 25 | 73 |
| 2009 | 34 | 59 |
| 2010 | 44 | 81 |
| 2011 | 43 | 45 |
| 2012 | 42 | 52 |
| 2013 | 65 | 63 |
| 2014 | 55 | 73 |
| 2015 | 72 | 87 |
| 2016 | 84 | 82 |
| 2017 | 111 | 78 |
| 2018 | 62 | 50 |
| 2019 | 80 | 60 |
| 2020 | 68 | 59 |
| 2021 | 31 | 55 |
| 2022 | 50 | 36 |
| 2023 | 36 | 41 |
| 2024 | 31 | 33 |
| 2025 | 34 | 66 |
| 2026 | 23 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Illumination device and method for calibrating an illumination device over changes in temperature, drive current, and time6 Oct 2026US 12,757,304 B2Lutron Technology Company LLC
- Method and system of supplementing the spectral content of illuminating light based on a target illumination spectrum25 Aug 2026US 12,720,652 B2Sollum Technologies Inc.
- Commissioning and controlling load control devices11 Aug 2026US 12,706,803 B2Lutron Technology Company LLC
- Light emission arrangement and method for operating a light emission arrangement11 Aug 2026US 12,707,542 B2ams-OSRAM International GmbH
- Light source calibration11 Aug 2026US 12,707,549 B2Roku, Inc.
- Method and system for real-time control of spectrally tunable light sources using pre-computed simplex meshes24 Sep 2026US 2026/0292958 A1
- Space Lighting System Based on Lighting Target17 Sep 2026US 2026/0282188 A1Self Electronics Co., Ltd.
- Space Lighting System Based on Lighting Target10 Sep 2026US 2026/0271152 A1Self Electronics Co., Ltd.
- Lighting arrangement10 Sep 2026US 2026/0271159 A1Karl Leibinger Asset Management GmbH & Co. KG
- Multi-Spectral Integrated Cob Light Source and Control System Thereof3 Sep 2026US 2026/0262147 A1Foshan Cicada Dental Instrument Co., Ltd.
Most cited
By later US patents
- Smart light bulb852US 6,528,954 B1Color Kinetics Incorporated · 2003
- Systems and methods for generating and modulating illumination conditions693US 7,014,336 B1Color Kinetics Incorporated · 2006
- White LED luminary light control system608US 6,441,558 B1Koninklijke Philips Electronics N. V. · 2002
- Portable light emitting apparatus with a semiconductor emitter array568US 5,634,711 A1997
- Method and apparatus for an L.E.D. flashlight530US 6,095,661 APPT Vision, Inc. · 2000