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400 BCE
The Camera Obscura
the Camera Obscura, meaning "dark room," was the first recorded use of light to project an image. -
1420
First "Projector" use
The first recorded instance of a projected image was used by Johannes de Fontana, using a lantern and a translucent window to show the image of the devil. -
1515
Da Vinci's Magic Lantern
Leonardo Da vinci used this same principle to create his "Magic Lantern." this device was the precursor to the modern Projector. -
Period: to
Deviants!
The Magic Lantern projectors were often used to summon "Ghosts," giving it a new name, "the lantern of fright." -
Opaque Projector
Magic lanterns began using Oil lamps to better display the image brightly. they were renamed "opaque lanterns" by most. -
Period: to
Bulbs
Halogen lamps eventually replaced Oil lamps as the light source. these projectors became widely used in schools, as they were a great teaching tool. https://www.ethos3.com/2014/03/a-brief-history-of-the-projector/ -
Period: to
The Overhead Projector
The Overhead projector replaced the opaque projector. Soldiers in WWII were trained and shown images on overhead projectors. through the 1950's and 1960's, most businesses displayed information using them. -
Powerpoint
Following the creation of the Computer, the Microsoft company developed PowerPoint, a slide based presentation program. -
