One could purchase an iPad wall projector at Best Buy, Amazon, or most online websites. One could also purchase one at the apple store or at most electronic stores.
The projector had a new bulb;we could tell because the image it was "throwing onto the wall" was bright and clear.
You can purchase portable projector screens online from www.projectorzone.com. You can also just use a wall that is smooth and of a solid light color. Screens are not always necessary.
I have found a few sources for the toshiba video wall, including www.gearsource.com. After searching for quite a bit, I've also found the Toshiba video wall projector on Ebay.
You hook up a projector to your computer and aim the projector at the wall. Then you turn it on. You may need special software to use a projector with your computer, however in most cases, such software will come free with the projector.
No you dont need a screen, you could just use a wall
A video projector is used to project a video image on a wall or screen.
Projector t.v.s are best suspended from the ceiling.
The only real similarity that I can think of is they both project images onto a wall or projector screen.
One can purchase USB wall chargers for iPad from: Amazon, Target, Argos, Walmart, Brookstone, Geek Buying, Newegg, eBay, Trad Us, Sear, Bed, Bath & Beyond, Orange It, Best Buy, Shop Bot, Xtreme Mac. Prices start from $24.99.
Amazon.com
You simply have to buy a universal wall mount or one designed for you specific model of projector.So long as you do your homework any projector can be mounted on a wall.
No projector requires a screen, but all will look much better than being projected on a wall.