None of the prior art devices teach a combination outdoor daytime/nighttime advertising display apparatus having an 65 automatically activated projector ...

15 BACKGROUND ART A variety of billboard and signboard systems are available for daytime and nighttime outdoor advertising. The McGee US Pat. No.

88—24) This invention relates to advertising devices and, more particularly, to an advertising display for both day time and night time use.

... of film to each advertisement. "Referring now to Fig. ... to change over from daytime advertising to night time advertising, or vice versa.

The above-mentioned advertising balloon is capable of livening up the atmosphere of pageant in the daytime, but it is useless during nighttime.

Moreover, a daytime advertisement may likely have more viewers than a nighttime advertisement. Accordingly, in embodiments, an advertisement time factor may ...

[0009] While many out-of-home advertisements perform well under either daylight or night time conditions, it is not easy to provide advertisements which ...

Accordingly, the invention displays, in daytime, a printed advertising sheet, and in nighttime, moving advertising pictures by display of several LED ...