Doubtful
put a hole in the middle then make the projector shoot through it
To make the projector image smaller, you can adjust the lens by moving it closer to the projector. This will focus the light and reduce the size of the image displayed on the screen.
Patent
The power consumption of an basic model of LCD projector is around 250W to 400W depending on the make and model, brightness 2000 to 3000 ansi lumens SVGA projector.
It is quite patent that you are required to bring a guitar to guitar club.
It depend by the type and the make.
no
If its white it should work
To buy a LED projector, you should make sure that it is compatible with your pc. Secondly, you should make sure that it will have a long running time without overheating.
There are many companies that make tripod projector screens. Some of these companies include Da-lite, Epson, Elite Screens, Mustang, Quartet, 3M, and Draper.
Yes you can. Just make sure in display properties you have selected s-Video out as the secondary display and make sure projector has S-Video as the input source.
They wouldn't "steal" your patent, in the sense that you would still own the patent, but they could certainly use your patent to make, use and sell your invention in any other country where you failed to patent it.