Yet another problem is that billboards either display only one message, ... a multiple advertising message generator coupled to said visual display, ...

5918924 to Cowan describes a mobile multi-message billboard advertising system which essentially consists of a plurality of tri-visional, action display ...

[0004] Improvements in background art billboard advertising systems have also emphasized dynamic -content. In particular, dynamic -content is defined as ...

5918924 describes a mobile multi- message billboard advertising system which is placed on the sides of a truck. US Pat. No. 649622 describes a mobile ...

Traditionally, the message has been provided by way of fixed sheets that are ... Within the commercial advertising billboard industry it will allow the use ...

5329716 discloses an outdoor advertising bench that is utilized as an advertising ... system according to the present invention plays audio messages on a ...

Traditionally, the message has been provided by way of fixed sheets that are ... Within the commercial advertising billboard industry it will allow the use ...

... fixed cost of traditional single- message billboards. More particularly, the invention relates to a system and method permitting commercial advertisers, ...