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Radial-shape wireless dog fence system and method with temperature compensated crystal oscillator for reduced clock speed variation between base unit and collar
专利权人:
Jason Scott Gurley
发明人:
Jason Scott Gurley,Gary Roulston
申请号:
US13618329
公开号:
US08726845B2
申请日:
2012.09.14
申请国别(地区):
US
年份:
2014
代理人:
摘要:
A radial-shaped wireless fence system is provided that contains one or more dogs in a user-defined area without the need for a physical fence or underground wire. The system includes a base unit and at least one collar, and is easy to set up and use. Each of the base unit and the one collar include a temperature compensated crystal oscillator for reducing clock speed variation between the base and collar units, preferably to +/−5 ppm, to effectively eliminate communication errors between the base and collar units.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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