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] An upgraded model, known as the Clapper Plus, includes a remote control function in addition to the original sound-based activation.[4]
Although meant to activate by clapping, The Clapper can inadvertently be triggered by other noises.[5]
Patent
The Clapper was invented by Carlile R. Stevens and Dale E. Reamer, and issued U.S. Patent #5493618, which was published on 20 February 1996.[6]
References
Further reading
- Kauffman, Matthew (February 6, 2005). "Thumbs Down For The Clapper". Hartford Courant. Archived from the original on 2013-12-25. Retrieved 24 December 2013.
External links
| External videos | |
|---|---|
 "Clap On! Clap Off! The Clapper". ABC News. July 16, 2009. |
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