| 摘要 |
In a device for preventing the barking of a dog (1), an electrovalve induces the expansion and ejection of a portion of a substance which evaporates and cools, each time the dog barks. This produces an intense feeling of cold on the dog's neck, and the barking cesses. The device according to the invention is used on a dog (1), whenever its barking is undesirable. |
