Electric control therefor

Full Title

Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position > the advertising or display material forming part of a moving band, e.g. in the form of perforations, prints, or transparencies > of an endless band > Electric control therefor

Classification Context

Section:

PHYSICS

Class:

EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS

Subclass:

DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS