Buckle cover anti-theft alarm device

Patent name: Anti-theft alarm device for zipper-wrapping and packaging Patent applicant Tang Tianwu Principal applicant Address 163712 Application of inventor Tang Tianwu, Jean Hulu District, Daqing City, Heilongjiang Province Application (patent) No. 200420009820.9 Date of application 2004.10.25 Award date Approval notice No. 2733479 Auditing Notice Day 2005.10.12 Manual Disc No. D0541 Main Classification No. G08B21/24 No. G08B21/24 Sub-division Original No. Priority Preference Item Abstract This utility model relates to a burglar alarm device for a zipper bag, including a battery and an alarm switch. , master switch, alarm circuit and alarm control circuit. Among them, the battery and the main control switch are respectively connected with the alarm control circuit, and the alarm control circuit and the alarm switch are respectively connected with the alarm circuit. The alarm switch is set on the anti-theft object and is interlocked with the buckle cover. The alarm signal of the alarm switch and the control signal of the alarm control circuit are respectively connected to the alarm circuit, and the output signal of the alarm circuit is connected to the speaker. The utility model has the advantages that the alarm switch is arranged on the anti-theft articles and is interlocked and installed with the buckle cover; the anti-theft alarm is sensitive; the alarm control circuit sets the main control switch and the self-locking circuit, can be started and stopped at any time, and the use is very convenient. The device is applicable to various handbags, purses, wallets, bags, handbags, and mobile phone cases, and is particularly suitable for anti-theft devices such as female handbags or back pockets. Due to the use of micro devices, the device is compact and portable. Sovereignty item 1. A burglar alarm device for a spiking bag, comprising a battery (1) and a loudspeaker (Y), characterized in that it also includes an alarm switch (4), a master switch (K), an alarm circuit (3) and An alarm control circuit (2), wherein the battery (1) and the main control switch (K) are respectively connected with the alarm control circuit (2), and the alarm control circuit (2) and the alarm switch (4) ) Connected to the alarm circuit (3) respectively, and the alarm switch (4) is set on the anti-theft object and is installed in interlock with its buckle cover, the alarm signal of the alarm switch (4) and the alarm control circuit (2) The control signals are respectively connected to the alarm circuit (3), and the output signal of the alarm circuit (3) is connected to the speaker (Y). International Application International Publication Date of Entry into the Country Patent Agency Beijing Double Income Intellectual Property Agency Co., Ltd. Agency Address Agent Wu Zhongren; Zeng Xiaomang