image on screen from tv projector

Subject: image on screen from tv projector

Date: Mon Feb 1 05:57:35 1999
Posted by tom richert
Grade level: nonaligned
School: retired senior field engineer from AT&T
City: port huron State/Province: mi
Country: usa
Area of science: Engineering
ID: 917870255.Eg

Message:


Why is the image on a screen, as projected by a tv projection 
device, not reversed, as it would be if projected on a mirror? 
or would it not reverse in a mirror? Does a movie projector work 
the same way?  Opps! Thats two questions. Sorry. Thanks!  Dr Tom

Re: image on screen from tv projector

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