ACOUSTIC DEVICE USING ULTRASONIC WAVE

PROBLEM TO BE SOLVED: To provide an acoustic device that can impart movement feeling and three-dimensional feeling to sound of threatening sound to harmful beasts, guiding sound to useful animals, acoustic projection and the like.SOLUTION: An acoustic device using an ultrasonic wave includes a plura...

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Bibliographische Detailangaben
Hauptverfasser:	OKADA TOSHIMI, HASHIDA HIROSHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUSPLANTS CARE OF BIRDS, FISHES, INSECTS CATCHING, TRAPPING OR SCARING OF ANIMALS DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY FISHING FORESTRY HUMAN NECESSITIES HUNTING LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS NEW BREEDS OF ANIMALS PUBLIC ADDRESS SYSTEMS REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR TRAPPING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an acoustic device that can impart movement feeling and three-dimensional feeling to sound of threatening sound to harmful beasts, guiding sound to useful animals, acoustic projection and the like.SOLUTION: An acoustic device using an ultrasonic wave includes a plurality of ultrasonic speakers having modulation means using audio frequency.SELECTED DRAWING: Figure 1 【課題】有害獣への威嚇音、有用動物への誘導音、音響プロジェクション等において音声に移動感や立体感を付与できる音響装置の提供を目的とする。【解決手段】音声周波数による変調手段を有する超音波スピーカーを複数備えたことを特徴とする。【選択図】図１