A METHOD FOR OFF-HOOK DETECTION DURING RINGING AND THE USE OF A SUBSCRIBER LINE INTERFACE CIRCUIT FOR OFF-HOOK DETECTION DURING RINGING

• 1. 一种检测振铃期间摘机状态的方法以及用于检测振铃期间摘机状态的用户线接口电路的应用 [P] . 中国专利： CN1139505A . 1997-01-01
• 2. 一种检测振铃期间摘机状态的方法 [P] . 中国专利： CN1080509C . 2002.03.06
• 3. HOOK DETECTION DURING RINGING FOR OFF-HOOK DETECTION METHOD FOR RETRIEVING THE SIGNAL SIGNAL, AND USE OF A SUBSCRIBER LINE INTERFACE CIRCUIT FOR OFF-HOOK DETECTION DURING RINGING FOR OFF- [P] . 韩国专利： KR970700973A . 1997-02-12

  机译： 摘机时振铃检测摘机检测方法，用于检索信号，并使用用户线接口电路进行摘机振铃检测

• 4. A METHOD FOR OFF-HOOK DETECTION DURING RINGING AND A SUBSCRIBER LINE INTERFACE CIRCUIT FOR OFF-HOOK DETECTION DURING RINGING [P] . 欧洲知识产权局专利： EP0740880B1 . 1999-11-03

  机译： 振铃时的摘机检测方法和振铃时的摘机检测用户线接口电路

• 5. Method for off-hook detection during ringing and the use of a subscriber line interface circuit for off-hook detection during ringing [P] . 美国专利： US5734712A . 1998-03-31

  机译： 振铃过程中摘机检测的方法以及在振铃过程中使用用户线接口电路进行摘机检测

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• 5. Location and Detection Method of Ring-shaped Culture Carrier for Nucleic Acid Detection [O] . Cui Jiarui, Wang Jiawei, Li Qing, 2020

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