using incandescent filaments

Introduced: January 1980

Last revised: January 2006

Full Title

Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes > for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix > using controlled light sources > using incandescent filaments

Classification Context

Section:: PHYSICS
Class:: EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
Subclass:: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION

1 direct subcode

Child Classifications

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G09G 3/26 to give the appearance of moving signs