The broken lines showing portions of the light guide plate used in keyboard depict portions of the article and form no part of the claimed design. The broken lines showing LEDs in
The broken lines showing portions of the light guide plate used in keyboard depict portions of the article and form no part of the claimed design. The broken lines showing LEDs in
Number | Name | Date | Kind |
---|---|---|---|
6924943 | Minano | Aug 2005 | B2 |
7239444 | Mizuno | Jul 2007 | B2 |
D564699 | Nakashima | Mar 2008 | S |
D608807 | Chern | Jan 2010 | S |
7648256 | Shiratsuchi | Jan 2010 | B2 |
D623674 | Wei | Sep 2010 | S |
D681262 | Lee | Apr 2013 | S |
20040075994 | Kuo | Apr 2004 | A1 |
20070165303 | Osawa | Jul 2007 | A1 |
20100226022 | Shen | Sep 2010 | A1 |
20110149418 | Togino | Jun 2011 | A1 |
20140185322 | Liao | Jul 2014 | A1 |
Entry |
---|
Graded-index Fresnel lenses for integrated optics, Copyright 1982, retrieved Aug. 1, 2022 from URL: https://opg.optica.org/ao/fulltext.cfm?uri=ao-21-11-1966&id=25843 (Year: 1982). |
A review of recent advances in fabrication of optical Fresnel lenses, first available Nov. 2021, retrieved Aug. 1, 2022 from URL: https://www.sciencedirect.com/science/article/pii/S1526612521006721 (Year: 2021). |