google-site-verification=lcRET2DFJ5VFLkTpDhkBOPxGtmMJJjroWl98IPoKNb8
Home > News > Technical documentation > Glass Broken Alarm
News
Customer case
Technical documentation
Industry News
Company News
Certifications
Latest News

How many glasses do you want to know?

  Glass Common sense:    A weight box of glass is about 50 kg heavy and 1 tons of glass is 20 weight boxes.    The proportion of glass is: 2...

Causes and Solutions of Rainbow Ripples in Glass

According to a friend's reflection, rainbow spots appeared in the sun room that was installed soon. How can this be good? The Everyone lov...

How to distinguish between silver mirror and aluminum mirror?

Aluminum mirrors are also known as aluminized mirrors, aluminum mirrors, glass mirrors, mirror glass, mirror glass. The high-reflection aluminum mirro...

Why do you want to put kerosene in glass cutter?

Kerosene increases the surface tension of the glass, does not blast, and the cut surface is smooth. If you use a glass knife, it is not rubbed.glassOn...

Tempered glass analysis of the common problems and solutions

Tempered glass of appearance quality problem has many performance form, we according to its appeared in production process in the stage of different, ...

What is the difference between laminated glass PVB and SGP?

Early laminated glass generally used laminated glass produced by PVB film; since PVB film was developed for automotive glass rather than for the build...

How to judge whether the glass type contains lead

1, look at the logo: lead-free glass generally contains potassium, mostly high-end crafts and has a logo on the outer packaging; and lead-containing g...

Advantages and disadvantages of glass curtain wall

  1, the advantages of glass curtain wall   Glass curtain wall building aesthetics, function, building energy efficiency and structural fact...

Glass real estate investment growth - demand expectations optimistic

[Spot]: Delivery factory 5mm white glass price reference: Hebei safety 1459, Hebei Dejin 1384, Hebei Yingxin 1430, Hebei Great Wall 1384, Hebei Runan ...

The price of glass is rising

In the past July and August, the price of glass has been increased a lot in China. For the coming of "Busy Season", the so called "golden September an...
Contact Us
Company Name: Qingdao Hongxiang Fanyu Trading Co., Ltd. Address: Room 308,  NO.877 A, Chongqing Road, Licang District, Qingdao City, Shandong Province, China  Tel: 0086-18300250107  
Contact Now
Share

News

Glass Broken Alarm

Fanyumaoyi Chinamirenufacturer. com 2017-06-26 15:24:47

 Glass broken alarm--glass breaker is usually installed on the wall or ceiling, is usedGlassThe broken ultrasound to be sensing. Some are affixed to the window of the corner, using glass broken vibration as active sensor. Because the glass broken sound and the interior glassware broken, the telephone bell, the alarm clock, the hot Kettle Ming, the outside knocking, the whistle, the motor and so on each kind of sound is difficult to distinguish, therefore uses the computer characteristic sound recognition CAIR Technology, the software control DSP and so on technology, distinguishes the alarm authenticity. Israel Visonic Company, the United States Detection Systems Company, Champ, K companies, etc. have a good product, installation is also very convenient, suitable for important and quiet indoor precautions.
  
  High-quality glass broken detectors, with excellent anti-false reporting ability, only to receive the protected area of the direction of the glass broken signal, with two microphones and TOA (arrival time processing) circuit, can be confirmed at any time detector working status.

glass