H01H 2009/183
Provisions for enhancing the contrast between the illuminated symbol and the background
Official title: {Provisions for enhancing the contrast between the illuminated symbol and the background or between juxtaposed symbols}
H01H2009/183 (Provisions for enhancing the contrast between the illuminated symbol and the background) appears on 26 US grants and 15 published applications in this corpus.
Search patents in H01H- Granted patents
- 26
- Published applications
- 15
- Assignees
- 28
- Inventors
- 46
- Latest grant
- 4 Jun 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 3 | 2 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 3 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 2 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Luminous keyboard4 Jun 2019US 10,312,035 B2Primax Electronics Ltd.
- Illuminated switch actuator further surrounded by an illumination structure12 Feb 2019US 10,204,750 B2Carling Technologies, Inc.
- Key button27 Jun 2017US 9,691,572 B2NEC Platforms, Ltd.
- Electronic key for a vehicle7 Jun 2016US 9,359,790 B2Continental Automotive GmbH
- Rotary knob assembly7 Jul 2015US 9,076,610 B2Visteon Global Technologies, Inc.
- Luminous keyboard18 Apr 2019US 2019/0115171 A1Primax Electronics Ltd.
- Switch With Illumination Structure and Indication10 May 2018US 2018/0130616 A1Carling Technologies, Inc.
- Electronic Key for a Vehicle9 Jul 2015US 2015/0191933 A1Continental Automotive GmbH
- Rotary Knob Assembly11 Jun 2015US 2015/0162148 A1Visteon Global Technologies, Inc.
- None-power state indication apparatus28 Aug 2014US 2014/0240093 A1Irice Energy Technology(Shenzhen) Co., Ltd.
Most cited
By later US patents
- Illuminated switch assembly with combined light and light shield59US 4,683,359 AEaton Corporation · 1987
- Unevenly illuminated keyboard58US 7,154,059 B2Zippy Technoloy Corp. · 2006
- Method of dynamically lighting keyboard glyphs55US 6,608,271 B2Danger, Inc. · 2003
- Illuminated switch apparatus54US 5,252,798 AAlps Electric Co., Ltd. · 1993
- Method and system for illuminating a mechanical rotary push-button switch37US 6,531,669 B1Rockwell Collins, Inc. · 2003