作者: Jr. Thomas S. Dix
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摘要: An animal control system with a lightning arrester is provided for controlling the movement of an relative to predetermined outdoor area. A signal transmitter produces output frequency. wire loop transmitting antenna electrically connected and positioned at area transmit from transmitter. portable receiver responsive carried by animal. The in form annoying tone or electrical shock when moves into selected vicinity antenna. between includes pair choke coils respectively opposite sides Zener diode are used ground side whenever voltage excess breakdown appears across one both diodes. Gas tubes sparkover gas tubes. In addition, tube on coils.