Tuesday, 29 January 2013

Btec

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Phenakistoscope
In 1832,Belgian physicist Joseph Plateauand his sons introduced the phenakistoscope.it was also invented independently in the same year by Simon von Stampfer of Vienna, Austria, who called his invention a stroboscope. Faraday had invented a device he called micheal faraday's and Peter Mark Roget. Micheal has invented a divice named by his name. That means that the disc where spinning apart from each other. After a bit they made a toy called phenakistoscope.

How did it work:
The Phenakistoscope use the persistence of vision principle to create an illution of motion. The Phenakiscope consisted of two discs mounted on the same axis. one disc has a slot around it and the other one has a drawing. whose pair of discs in an opposite directions.a Phenakistoscope spin together in the same direction.When viewed in a mirror threw the first disc's slot's the pictures on the second disc,will appear to move.

Zoetrope
The zoetrope was invented in 1834 in England by William Horner. He called it the daedalum. It didn’t become popular until the 1860s, when it was patented by makers in both England and America. The America developer, William F. Lincoin, named his toy zoetrope which means wheel of life.

The Zoetrope worked on the same principles as the Phenakistoscope,but the pictures was drawn. The drum was mounted on a spindle that it could be spun and viewers looking through the slits would see the cartoon picture moving.

Kinematoscope
The Kinematoscope was patented in 1861 a protean development in the history of cinema. The invention aimed to present the illusion of motion the patient was filled by Coleman Sellers of Pholadelphia, Pennsylvania.

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