US Patent 10288459 Changeable compass colours for improved viewing
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Patent abstract
A lighting and color scheme for instruments to allow an apparent color change of indicia and background between daylight viewing and night-time viewing when an instrument light is turned on. White indicia on a red background is conspicuous in daytime, but can be transformed to green indicia on black background when the instrument is illuminated with a green LED for night-time viewing.
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Patent Jurisdiction
Patent Number
102884590
Date of Patent
May 14, 2019
0Patent Application Number
155116920
Date Filed
September 15, 2015
0Official Website
Patent Primary Examiner
Edits on 22 Sep, 2022
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Infobox
Is a
Patent Jurisdiction
Patent Number
102884590
Date of Patent
May 14, 2019
0Patent Application Number
155116920
Date Filed
September 15, 2015
0Official Website
Patent Primary Examiner
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US Patent 10288459 Changeable compass colours for improved viewing
Infobox
Is a
Patent jurisdiction
Patent number
10288459
Date of patent
May 14, 2019
Patent application number
15511692
Date Filed
September 15, 2015
Patent primary examiner
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