B60Q 1/1423
Automatic dimming circuits, i.e. switching between high beam and low beam due
Official title: {Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic}
B60Q1/1423 (Automatic dimming circuits, i.e. switching between high beam and low beam due) appears on 1,505 US grants and 1,639 published applications in this corpus.
Search patents in B60Q- Granted patents
- 1,505
- Published applications
- 1,639
- Assignees
- 362
- Inventors
- 2,386
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 9 | 0 |
| 1991 | 8 | 0 |
| 1992 | 9 | 0 |
| 1993 | 12 | 0 |
| 1994 | 4 | 0 |
| 1995 | 12 | 0 |
| 1996 | 7 | 0 |
| 1997 | 9 | 0 |
| 1998 | 16 | 0 |
| 1999 | 16 | 0 |
| 2000 | 15 | 0 |
| 2001 | 14 | 4 |
| 2002 | 17 | 24 |
| 2003 | 20 | 18 |
| 2004 | 22 | 31 |
| 2005 | 15 | 25 |
| 2006 | 11 | 22 |
| 2007 | 10 | 30 |
| 2008 | 29 | 41 |
| 2009 | 13 | 26 |
| 2010 | 22 | 26 |
| 2011 | 19 | 22 |
| 2012 | 29 | 41 |
| 2013 | 34 | 68 |
| 2014 | 39 | 62 |
| 2015 | 54 | 82 |
| 2016 | 78 | 91 |
| 2017 | 87 | 97 |
| 2018 | 101 | 102 |
| 2019 | 105 | 108 |
| 2020 | 114 | 109 |
| 2021 | 84 | 114 |
| 2022 | 95 | 103 |
| 2023 | 101 | 134 |
| 2024 | 100 | 100 |
| 2025 | 81 | 89 |
| 2026 | 61 | 70 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Low beam dimming method for situational glare6 Oct 2026US 12,752,696 B2Valeo Vision
- Vehicle lamp system, control device, illuminating state restriction method, and recording medium6 Oct 2026US 12,752,697 B2Koito Manufacturing Co., Ltd.
- Automatic travel management device6 Oct 2026US 12,752,698 B2Toyota Jidosha Kabushiki Kaisha
- Vehicle lamp system and active light adjustment method for a vehicle lamp system29 Sep 2026US 12,746,870 B2Wistron Corporation
- Light distribution control device15 Sep 2026US 12,734,957 B2Toyota Jidosha Kabushiki Kaisha
- Control apparatus for vehicle headlight, vehicle headlight system1 Oct 2026US 2026/0296298 A1Stanley Electric Co., Ltd.
- Vehicle lamp control device, control method for vehicle lamp control device, and non-transitory computer-readable medium1 Oct 2026US 2026/0296299 A1Toyota Jidosha Kabushiki Kaisha
- Vehicular vision system with headlamp safety control24 Sep 2026US 2026/0285219 A1Magna Electronics Inc.
- Vehicle headlight17 Sep 2026US 2026/0274153 A1Koito Manufacturing Co., Ltd.
- Vehicle lamp apparatus17 Sep 2026US 2026/0274154 A1Koito Manufacturing Co., Ltd.
Most cited
By later US patents
- Automatic rearview mirror system using a photosensor array1,778US 5,550,677 ADonnelly Corporation · 1996
- Rearview vision system for vehicle including panoramic view1,778US 5,670,935 ADonnelly Corporation · 1997
- Vehicle headlight control using imaging sensor1,368US 5,796,094 ADonnelly Corporation · 1998
- Display enhancements for vehicle vision system1,367US 5,949,331 ADonnelly Corporation · 1999
- Automatic rearview mirror, vehicle lighting control and vehicle interior monitoring system using a photosensor array1,303US 5,877,897 ADonnelly Corporation · 1999