Invention Application
US20070230685A1 WIRELESS REMOTE CONTROLLED HANDSET LIFTER SYSTEM USING MAGNETICALLY COUPLED RING DETECTION 有权
使用磁耦合环检测的无线远程控制手提式升降机系统

WIRELESS REMOTE CONTROLLED HANDSET LIFTER SYSTEM USING MAGNETICALLY COUPLED RING DETECTION
Abstract:
An automatic handset lifter is used with a wireless communication system. The system attaches to a conventional telephone and creates a communication link between the telephone and a portable device such as a wireless headset. The system automatically detects the ringing of the telephone by sensing magnetic fields of the telephone speaker. Upon ring detection, the system creates a communications link with the remote device and deploys a mechanical lifting device to lift the handset. Lifting the handset activates the telephone cradle switch to answer the phone and thereby allows the remote device to communicate over the telephone.
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