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Antitheft sound-control alarm

A technology for alarms and pickups, applied in the field of alarms, can solve the problems of not being fully popularized and expensive, and achieve the effects of meeting the anti-theft requirements, being cheap, and having a simple structure and circuit.

Inactive Publication Date: 2015-05-20
CHENGDU WANWEI TUXIN INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Now, people pay more and more attention to the anti-theft system. Various anti-theft devices and anti-theft systems are needed in various fields, but most of the alarms on the market are mainly aimed at the financial centers of some companies and enterprises. Design, expensive, and can not fully achieve the effect of popularization

Method used

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  • Antitheft sound-control alarm

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Embodiment Construction

[0009] The present invention will be further described below in conjunction with accompanying drawing:

[0010] Such as figure 1 As shown, the present invention includes a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, and a ninth resistor R9 , first capacitor C1, second capacitor C2, third capacitor C3, fourth capacitor C4, fifth capacitor C5, sixth capacitor C6, seventh capacitor C7, integrated chip IC, thyristor SCR, first diode D1, The second diode D2, the third diode D3, the fourth diode D4, the socket CZ, the pickup M, the first transistor Q1, the second transistor Q2 and the third transistor Q3, the power supply The first terminal is connected to the first terminal of the first capacitor C1, and the second terminal of the first capacitor C1 is simultaneously connected to the second terminal of the first resistor R1, the anode of the first diode D...

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Abstract

The invention discloses an antitheft sound-control alarm. The antitheft sound-control alarm comprises a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a sixth capacitor, a seventh capacitor, an integrated chip, a thyristor, a first diode, a second diode, a third diode, a fourth diode, a socket, a sound pickup, a first triode, a second triode and a third triode. The antitheft sound-control alarm is simple in structural circuit, convenient to mount and use and low in price, can meet antitheft requirements of common people, and is a product worthy of being used and popularized.

Description

technical field [0001] The invention relates to an alarm, in particular to a sound-activated alarm for anti-theft. Background technique [0002] Now, people pay more and more attention to the anti-theft system. Various anti-theft devices and anti-theft systems are needed in various fields, but most of the alarms on the market are mainly aimed at the financial centers of some companies and enterprises. Design, expensive, and can not fully achieve the effect of popularization. Contents of the invention [0003] The purpose of the present invention is to provide a sound-activated alarm for anti-theft in order to solve the above problems. [0004] The present invention achieves the above object through the following technical solutions: [0005] The present invention includes a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a first capacitor, a second capaci...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08B13/00
CPCG08B13/00
Inventor 杨霖
Owner CHENGDU WANWEI TUXIN INFORMATION TECH
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