Videocassette recorder

The invention:

 A device for recording and playing back movies
and television programs, the videocassette recorder (VCR) revolutionized
the home entertainment industry in the late 1970’s.


The company behind the invention:

Philips Corporation, a Dutch Company

Vending machine slug rejector

The invention: 

A device that separates real coins from counterfeits,
the slug rejector made it possible for coin-operated vending
machines to become an important marketing tool for many
products .