A multifunctional remote control computer antitheft alarm

Abstract

The invention provides a multifunctional remote control computer antitheft alarm mainly comprising a remote controller and a host. The remote controller comprises an LED, a transmitting circuit, a single-chip microcomputer, a voltage stabilizing circuit, four micro-switches (S1, S2, S3, S4), an Q1 field-effect tube, a C1, R1 delay circuit and a power source. The host comprises a microcomputer, a computer start switch, a limit switch, a code matching switch, a vibration sensor, a piezoelectric buzzer, a drive circuit, a voice chip, a lithium battery, a lithium battery charging management chip, a power source input port, a bleeder circuit 2, a receiving circuit, a duel track electronic volume adjusting chip, an audio input port, an audio output port, a power source detection port, a bleeder circuit 1 and a trigger port. The multifunctional remote control computer antitheft alarm has multiple functions of computer antitheft alarm, remote control of locking and unlocking of a computer, remote control of instant start, instant shutdown, timed start, timed shutdown and timed cycle of a computer, remote control of the volume of a computer, remote control of defense arranging and removing, automatic defense arranging, automatic sleep for saving power and voice prompt, and can be widely applied to computers.

Description

technical field [0001] The invention relates to a computer anti-theft alarm, in particular to a multifunctional remote-control computer anti-theft alarm, which belongs to the field of computer application and anti-theft technology. Background technique [0002] Currently used for computer anti-theft alarms, the function is single, and the prior art cannot meet user needs simultaneously for the following situations: [0003] 1. It can control the computer to automatically shut down according to the set time, limit the time for children to use the computer, and prevent children from using the computer for a long time for a long time, causing addiction to the Internet and playing games to affect learning; [0004] 2. It can control the computer to automatically start, automatically shut down and work in a cycle according to the set time; [0005] 3. The computer can be locked by wireless remote control, so that the computer cannot be started by pressing the start button, preve...

AI Technical Summary

Problems solved by technology

[0010] The purpose of the present invention is to provide a multifunctional remote control computer anti-theft alarm to overcome the defects of single function, insufficient practicability and inability to meet the needs of users in the prior art

Images