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Seven main performance indicators that determine the quality of sound
1. Power: The audio power is further divided into rated power/carrying power/peak power. Rated power: refers to the maximum electrical power that drives an 8Ω speaker within the rated range and specifies a continuous analog signal with a waveform. After a certain interval and repeated a certain number of times, the speaker does not suffer […]
Introduction of sound
A speaker is a device that restores an electrical signal to a sound signal, and the authenticity of the restoration will be an important criterion for evaluating the performance of the speaker. According to different sounding principles and internal structures, speakers can be divided into several types: inverted, closed, flat, horn, labyrinth, etc. The most […]
The battle between speaker intelligence and sound quality
In the speaker industry, there are two major technical schools, one is smart speakers focusing on artificial intelligence; the other is traditional sound quality speakers that focus on sound quality. The two have different emphases due to differences in performance and structure. Smart speakers are developed due to artificial intelligence, and they focus on […]
Application and development trend of access control system
1. Application of access control system Application of Access Control System in Office Building The installation of access control in the company can effectively prevent foreign salesmen and other miscellaneous personnel, ensure the safety of the company and employees’ property, and improve the corporate image. It can improve the work efficiency of the personnel department […]
Classification of access control systems
What is an access control system? As the name implies, the access control system is a system for controlling the entrance and exit passages. It is developed on the basis of traditional door locks. Common access control systems include: password identification access control system, credit card identification access control system, biometric access control system, etc. […]
Classification and working principle of electronic scales
1. Category: According to the working mode, it can be divided into mechanical scales (weighing scales), electronic display scales, and automatic measuring systems. According to the way of use, it can be divided into case scales, platform scales, small floor scales, electronic truck scales, direct display crane scales, wireless digital crane scales, and quantitative packaging […]
Some Notes on Electronic Scales
(1) The electronic scale should be used in a ventilated and dry environment. The temperature should not be too high or too low. The service life is determined by the characteristics of the sensor, the characteristics of the electronic components and the characteristics of the plastic shell. (2) The electronic scale can only be used […]
No. 23 Building, North Area Of Fuquan Xincun, Longhua District, Shenzhen, Guangdong, China