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The Clapper is a sound-activated electrical switch, [1] sold since 1984 by San Francisco, California based Joseph Enterprises, Inc. Joseph Pedott marketed the clapper with the slogan "Clap On! Clap Off! The Clapper!". [2] The Clapper plugs into a U.S.-type electrical outlet, and allows control of up to two devices plugged into the Clapper. [3]
The Clapper, whose slogan is "Clap On! Clap Off!", was first sold to the public on September 1, 1985. A trademark was filed on the brand name "Clapper" with the U.S. Patent and Trademark Office on July 9, 1986. [4] A design patent was applied for on November 13, 1985, which was issued as D299127 on December 27, 1988. [5]
The Clapper is a 2017 American comedy film written and directed by Dito Montiel, based on his novel Eddie Krumble Is the Clapper. It stars Ed Helms, Amanda Seyfried, Tracy Morgan, Adam Levine, Mickey Gooch Jr. and Russell Peters. It was the final film role of Alan Thicke, who died on December 13, 2016.
The product: The Clapper The price: $24.95 plus $6.95 shipping and handling for a total of $31.98. The claims: It turns up to two plug-in lights or equipment on and off with claps. The Buy-o-meter ...
Clapperboard. A clapperboard, also known as a dumb slate, clapboard, film clapper, film slate, movie slate, or production slate, is a device used in filmmaking, television production and video production to assist in synchronizing of picture and sound, and to designate and mark the various scenes and takes as they are filmed and audio-recorded.
Clapper (musical instrument), consisting of two pieces of wood struck together; Clapper bridge, an ancient form of bridge; Clapper Post, urban postal service in 18th century Vienna; Clapperboard, used in film production to aid synchronizing audio and video and to identify different shots; The Clapper, a sound activated electrical switch
Inventions That Changed the World is a five-part BBC Two documentary series presented by Jeremy Clarkson. First broadcast on 15 January 2004, the programme takes a look at some of the inventions that helped to shape the modern world. The UKTV channel Yesterday frequently repeats this series. However, episodes are edited to 46 minutes to allow ...
Tesla, for example, invented a coherer in which the tube rotated continually along its axis. In later practical receivers the decoherer was a clapper similar to an electric bell, operated by an electromagnet powered by the coherer current itself. When the radio wave turned on the coherer, the DC current from the battery flowed through the ...