Portable miniature anti-theft alarm device

• Main Authors: WANG QIUTANG, HUA SHUANG, ZHANG PEI, GUO GUOHUI, XU TIANLONG, LI YING, WANG DI, WU PENGFEI, LI GUANGCHUN, WANG LIANZENG
• Format: Patent
• Language: Chinese; English
• Published: 25.08.2017
• Subjects: ALARM SYSTEMS; ORDER TELEGRAPHS; PHYSICS; SIGNALLING; SIGNALLING OR CALLING SYSTEMS

The invention provides a portable miniature anti-theft alarm device, which comprises a child machine and a mother machine, and is characterized in that the child machine comprises an MCU with a BLE function and a peripheral circuit controlled by the MCU, the peripheral circuit is composed of an external reset module, a rechargeable power supply module, a sound production module and a bluetooth radio frequency circuit, a reset signal generated by a reset chip is transmitted to the MCU so as to reset a child machine system, and the sound production module is connected to an I/O port of the MCU; the mother machine is an intelligent mobile phone equipped with an application program, the application program scans bluetooth equipment of the child machine, the child machine continuously sends bluetooth signals, and the mother machine judges the operating state of the child machine according to the intensity and changes of the received signals of the child machine; and the MCU of the child machine is controlled throu