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    • 1. 发明授权
    • Ultrasonic animal repelling apparatus
    • 超声波动物排斥装置
    • US5214411A
    • 1993-05-25
    • US790519
    • 1991-11-12
    • Steven L. Herbruck
    • Steven L. Herbruck
    • A01M29/18B06B1/02G08B13/19G10K11/28
    • A01M29/18B06B1/0207G08B13/19G10K11/28B06B2201/75
    • An ultrasonic sound emitting apparatus produces an undesireable noise for animals such as dogs and cats to deter such animals from trespassing within certain geographical locations with this noise being of such a high frequency level that it is not heard by most human beings. The apparatus includes a housing with an ultrasonic emitter being mounted within a reflector cone formed within the front face of the housing. The sound emitter is moveable relative to the cone between a projected position and a retracted position and when in the retracted position the pattern of sound emitted is substantially wider than when the emitter is in the projected position. With the emitter in the projected position the pattern of sound emitted is of substantially greater length than the pattern of sound with the emitter in the retracted position. A sensor such as an infrared sensor is to be mounted within the front face of the housing which will cause activation of the emitter only upon an animal being detected.
    • 超声波发声装置对诸如狗和猫的动物产生不希望的噪音,以阻止这些动物在某些地理位置的侵入,这种噪声具有高频率,大多数人听不到这种噪音。 该装置包括壳体,其具有安装在形成在壳体前表面内的反射器锥体内的超声波发射器。 声音发射器相对于锥体在突出位置和缩回位置之间是可移动的,并且当处于缩回位置时,发射的声音图案比发射器处于投影位置时显着更宽。 在发射器处于投影位置时,发射的声音的图案的长度大大大于发射器处于缩回位置的声音图案的长度。 诸如红外传感器的传感器将被安装在壳体的正面内,这将仅在被检测到动物时才引起发射器的激活。