Anti-lost mobile phone and mobile phone loss detection device and pager with mobile phone loss detection sensor

摘要

The present invention relates to a loss-proof mobile phone that can prevent the loss of the mobile phone in advance, and attached to the mobile phone loss detection device to detect a certain frequency by a infrared sensor to detect a certain distance from the mobile phone with a built-in infrared automatic transmission unit Cell phone loss detection device detects a specific frequency based on the signal from the automatic transmitter installed in the device and outputs it as a buzzer or voice.;In addition, since the mobile phone loss detection sensor is built into the pager currently in use, it is produced when the pager is produced, so that a separate monitoring sensor device does not need to be attached to the user's body.