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Oct 2, 1420
Johannes de Fontana
The first known instance of a "projectore" was recorded and drawn by a Venetian engineer in 1420. The drawing was of a lantern with a small translucent screen that was tuck to the side of the lantern. The picture that was portrayed was a picture of a devil. Early users of the projecetor were mostly magicians to portray the illusion of summoning a ghost. -
Jan 1, 1515
Leonardo Da Vinci's Projector
The leonardo Da Vinci projector had now made slideable flim screens. This allowed the user to be able to change the image that was being displayed for the first time ever. His projector used a candle in the center of a a wooden box that was held together by scrap metal nails onto old drift wood. For the display a glass lens was used behind the translucent screen used to display the picture. -
The first magic lantern
There has been lots of contravercy on who made the first magic lantern. Although with all evidence considered the most credit goes the the German priest Athanasius Kircher. As early as 1646 there was evidence that Kircher had documented and made the first "Magic lantern" as descibed and writen in his book "Ars Magna Lucis et Umbrae". Even Kicher was also using his new invention to display monsterous images such as the devil and also used them to farther his misistry. -
Charlatan's projector
By the 18th century, use by charlatans was common for religious reasons. For example, Count used it to ‘raise dead spirits’ in Egyptian masonry. Johann Georg Schröpfer used the magic lantern to conjure up images of dead people on smoke. He staged routines doing this at his coffee shop in Leipzig. Schropfer ended up going crazy and thinking he himself was pursued by real devils, and shot himself after promising an audience a reserection. -
Opaque Prohjectors
The opaque projector is a predecessor to the overhead projector. The light source in early opaque projectors was often limelight. Incandescent light bulbs and halogen lamps are most commonly used today. In the early and middle parts of the 20th century, low-cost opaque projectors were produced and marketed as toys for children.In educational settings, the specific role of the opaque projector has been superseded by the document camera, a lighted table with a fixed video camera above it. The im -
Today's Use of the projector
The US Navy was the first to use the projector in mass for training as World War ii tuned down. with the public safety still in mind the pirst publicly used projectors that were modern day were first used by the police. The police detectives used the projector paired with the document camera that used a celophane roll over a a stage allowing facial features to be rolled along the stage. -
School and buisness
In the late 1950s and early 1960s, overhead projectors began to be widely used in schools and businesses. Although the present overhead projector at the time could only run slides which meant that expeensive nonreusable screens had to be produced and so the world of buisnesses and schools needed a new type of projector. -
Microsoft's new approach
As of the invention of the current day projector, Microsoft had made a new software called Powerpoint for the projector. Not only did Microsoft add this program to their iconic Microsoft Office, but also created the invention of the digital projector which eliminated the use of old pesky insertable slides that displayed photos from the projector.
