h a l f b a k e r y
Contrary to popular belief
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By using LCD screens to display product prices (instead of cardboard):
Price changes would be instant and free (no printing costs or man power costs).
Information on shelf layout and stocking quantities (amount on shelves) could be fed to the shelf packers directly.
Information on actual product
levels could be fed back into the shelf units to update the mainframe computer.
Special offers and promotions could be dynamic (decided by computer).
Animation could be added to attract additional attention and even potential revenue stream or preferential trade agreements.
R&D Makes Electronic Price Tag a Real Bargain
done 10 years ago [funx, Sep 30 2007]
Fujitsu Electronic Shelf Labelling
Uses building lighting system to update prices [sprogga, Oct 01 2007]
||+ I like it. Welcome to the halfbakery.
I'm questioning the *instant and free* part, though.
||to my mind such a system would be extremely costly to introduce in reality. perhaps, it could pay off in huge supermarkets where there are zillions of goods.
||This would require all those tags to either contain batteries (which would need to be changed) or be connected to mains (which would be a bit of a wiring nightmare). Also goods are moved around on the shelves fairly often, perhaps just a few inches one way or another, but a cardboard tag is easy to relocate, will these be as simple?
||An idea so wonderful it has already been done. See link.