The rolling code technology of KEELOQ was adopted by coding integration circuit HCS301 to code the signals;
利用KEELOQ滚动码技术，以编码集成电路HCS301对信号进行编码；
It is resolved that the problem is the machine-processed of rolling hopping code and forward predicting synchronous technology, too.
解决早期使用的固定密码方式易破解的问题，并解决了滚动跳码机制及前向预测同步技术。
It is resolved that the problem is the machine-processed of rolling hopping code and forward predicting synchronous technology, too.
解决早期使用的固定密码方式易破解的问题，并解决了滚动跳码机制及前向预测同步技术。
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