by controlling light sources, e.g. electroluminescent diodes

Introduced: January 1980

Last revised: January 2006

Full Title

Visual time or date indication means > by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques > by controlling light sources, e.g. electroluminescent diodes

Classification Context

Section:: PHYSICS
Class:: HOROLOGY
Subclass:: ELECTRONIC TIME-PIECES