Buzzer is mainly used for prompt and alarm tone.
As an integrated structure of the electronic buzzer, buzzer DC voltage power supply, widely used in computers, printers, copiers, sound, alarm, electronic toys, automotive electronic equipment, telephones, timers and other electronic products and alarm device.
The buzzer can be divided into piezoelectric and electromagnetic type two, effects are similar, with small size, light weight, wide application range etc..
What is the use of buzzer? The most common problem, of course, what is the use of car buzzer, then what is the car buzzer, what is the use of specific models? Car buzzer is also used for the main tone, such as the door is not off the tip of the sound, the seat belt is not a plug tone, reversing the tone, etc.. The use of models are also available, such as the door is not closed to use the MS and PSE series of buzzer; safety belt is not used to plug the MS series of buzzer; reverse the use of MB or PB patch series buzzer.
In the final analysis, the role of the buzzer can not be separated from the tone and alarm tone two, around these 2 purposes, the role of the buzzer is very large.