The Clapper

The Clapper ni amajwi akoreshwa n'amashanyarazi akoreshwa igihe yumvise urusaku, ikaba yaragurishijwe bwa mbere i San Francisco mu 1984, muri Californiya ikorera muri Joseph Enterprises, Inc. Joseph Pedott yagurishije clapper agira ati : 

Clapper icomeka mu mashanyarazi yo muri Amerika yo mu mashanyarazi, kandi yemerera kugenzura ibikoresho bigera kuri bibiri byacometse muri Clapper.  Moderi yazamuye, izwi nka Clapper Plus, ikubiyemo imikorere ya kure yo kugenzura hiyongereyeho amajwi ya mbere ashingiye kubikorwa. 

Nubwo yagenewe gukorana n'urusaku rwo gukubita amashyi (clap), The Clapper ishobora gutangira gukora bitunguranye n'andi majwi, nko gucira kw'imbwa, k'urugero.  

 Patent 
Umunyabwenge Clapper yahimbwe na Carlile R. Stevens na Dale E. Reamer, atanga Patent yo muri Amerika # 5493618, isaba ryatanzwe kuwa 1993-05-07 kandi ryatanzwe ku ya 20 Gashyantare 1996.