Patent classifications
G
PHYSICS
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G09
EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
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G09G
ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
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2330/00
Aspects of power supply; Aspects of display protection and defect management
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G09G2330/12
Test circuits or failure detection circuits included in a display system, as permanent part thereof
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