Net Deals Web Search

Search results

1. Results From The WOW.Com Content Network

2. Dog whistle - Wikipedia

   en.wikipedia.org/wiki/Dog_whistle

   A dog whistle (also known as silent whistle or Galton's whistle) is a type of whistle that emits sound in the ultrasonic range, which humans cannot hear but some other animals can, including dogs and domestic cats, and is used in their training. It was invented in 1876 by Francis Galton and is mentioned in his book Inquiries into Human Faculty ...

3. Bark (sound) - Wikipedia

   en.wikipedia.org/wiki/Bark_(sound)

   Dog barking is distinct from wolf barking. Wolf barks represent only 2.4% of all wolf vocalizations, in warning, defense, and protest. [4] [5] In contrast, dogs bark in many social situations, with acoustic communication in dogs being described as hypertrophic. [6] While wolf barks tend to be brief and isolated, dog barking is often repetitive. [7]

4. Sonic weapon - Wikipedia

   en.wikipedia.org/wiki/Sonic_weapon

   A long-range acoustic device ( LRAD) in use on the USS Blue Ridge. Sonic and ultrasonic weapons ( USW) are weapons of various types that use sound to injure or incapacitate an opponent. Some sonic weapons make a focused beam of sound or of ultrasound; others produce an area field of sound. As of 2023 military and police forces make some limited ...

5. Cat repeller - Wikipedia

   en.wikipedia.org/wiki/Cat_repeller

   Cat repeller. A cat repeller is a device or substance used to discourage cats from entering an area, or to encourage them to leave if they do enter. Such deterrents are most commonly used by gardeners, in order to prevent damage to their gardens, to avoid cat feces, or to protect birds .

6. Acoustic harassment device - Wikipedia

   en.wikipedia.org/wiki/Acoustic_harassment_device

   The devices have also been employed to keep marine mammals away from fishing nets. [2] The devices are known as acoustic harassment devices ( AHDs) and acoustic deterrent devices, which are smaller AHDs [3] or intended as an awareness tool to warn species to the presence of danger rather than as a tool of harassment at a much louder level. [4]

7. Electronic pest control - Wikipedia

   en.wikipedia.org/wiki/Electronic_pest_control

   Electronic pest control is the name given to any of several types of electrically powered devices designed to repel or eliminate pests, usually rodents or insects. Since these devices are not regulated under the Federal Insecticide, Fungicide, and Rodenticide Act in the United States, the EPA does not require the same kind of efficacy testing that it does for chemical pesticides.