Tambour-Type Sign
Patent: 4,827,644
Issued: May 9, 1989
Inventor: Charles E. Trame, Mequon, WI
Assignee: Everbrite Electric Signs, Inc., Greenfield, WI
An objective of this invention is to provide a method of presenting different classes of information to viewers as circumstances change. For example, in fast food restaurants it is desirable to display only the menu that pertains to a particular time of day, such as times when breakfast, lunch or dinner is served, and to conceal from customers menus which apply to meals served at other times.