G03B 21/2046
Positional adjustment of light sources
Official title: {Positional adjustment of light sources}
G03B21/2046 (Positional adjustment of light sources) appears on 215 US grants and 250 published applications in this corpus.
Search patents in G03B- Granted patents
- 215
- Published applications
- 250
- Assignees
- 117
- Inventors
- 455
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 2 |
| 2004 | 1 | 7 |
| 2005 | 4 | 6 |
| 2006 | 6 | 12 |
| 2007 | 6 | 12 |
| 2008 | 6 | 18 |
| 2009 | 7 | 7 |
| 2010 | 11 | 5 |
| 2011 | 4 | 8 |
| 2012 | 4 | 8 |
| 2013 | 6 | 11 |
| 2014 | 7 | 6 |
| 2015 | 6 | 8 |
| 2016 | 11 | 15 |
| 2017 | 10 | 17 |
| 2018 | 12 | 14 |
| 2019 | 16 | 16 |
| 2020 | 15 | 24 |
| 2021 | 21 | 13 |
| 2022 | 20 | 10 |
| 2023 | 7 | 9 |
| 2024 | 7 | 5 |
| 2025 | 7 | 9 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Head-up display with a contactlessly contacted conveyor belt-like display area, in particular for a vehicle14 Jul 2026US 12,681,300 B2Bayerische Motoren Werke Aktiengesellschaft
- Mobile device for generating and moving a laser beam in a predetermined manner19 May 2026US 12,634,415 B2
- LED illuminated projector28 Apr 2026US 12,613,458 B2Snap Inc.
- Projection image correction method using changing position of control point and projection system14 Apr 2026US 12,603,977 B2Seiko Epson Corporation
- Movable projector17 Mar 2026US 12,578,631 B2Samsung Electronics Co., Ltd.
- Light source system, projection device, and adjustment method of position of light emitting unit8 Oct 2026US 2026/0310057 A1Coretronic Corporation
- Optical module and projector17 Sep 2026US 2026/0277088 A1Seiko Epson Corporation
- Image projector, and method for controlling same2 Apr 2026US 2026/0093168 A1LG Electronics Inc.
- Movable projector5 Mar 2026US 2026/0063977 A1Samsung Electronics Co., Ltd.
- Vehicle projector29 Jan 2026US 2026/0029702 A1SL Corporation
Most cited
By later US patents
- Lamp assembly with snap fit components62US 6,461,025 B1InFocus Corporation · 2002
- Image and light source modulation for a digital display system60US 7,404,645 B2Digital Display Innovations, LLC · 2008
- Projector and lamp unit48US 6,467,911 B1Minolta Co., Ltd. · 2002
- Lamp module with kinematic mount25US 6,056,405 AIn Focus Systems, Inc. · 2000
- LED projection light has features20US 10,509,304 B22019