US Patent 7588338 Keyboard equipped with a backlight structure
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Patent abstract
A keyboard equipped with a backlight structure includes a keyboard portion, a bridge board and a base board located beneath the keyboard portion to form a light transmission space. The bridge board has a light channeling portion to channel light entering the light transmission space to the keyboard portion where light emission is desired to refract the light. The structure can be made at a lower cost and converge light to display the keyboard portion without illuminating the entire keyboard portion.
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US Patent 07588338 Keyboard equipped with a backlight structure US Patent 7588338 Keyboard equipped with a backlight structure
Infobox
Patent Number
0758833800
Patent Number
758833800
Edits on 1 Apr, 2023
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
075883380
Date of Patent
September 15, 2009
0Patent Application Number
112882580
Date Filed
November 29, 2005
0Official Website
Patent Primary Examiner
Edits on 26 Sep, 2022
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Infobox
Is a
Patent Jurisdiction
Patent Number
075883380
Date of Patent
September 15, 2009
0Patent Application Number
112882580
Date Filed
November 29, 2005
0Official Website
Patent Primary Examiner
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US Patent 07588338 Keyboard equipped with a backlight structure
Infobox
Is a
Patent jurisdiction
Patent number
07588338
Date of patent
September 15, 2009
Patent application number
11288258
Date Filed
November 29, 2005
Patent primary examiner
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