Posted on 18-05-2009 by microbuzzer
This is used in the lift button on a circuit through the hardware circuit to achieve the buzzer background about the driver as follows:
1. Due to the limited space available in the circuit can only choose SMD passive buzzer (original height-saving considerations, the high active), which implies the need for oscillation circuit, he can work.
2. [...]
Tags: Buzzer, circuit, drive, Passive
Posted in TECHNOLOGY
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Posted on 17-05-2009 by microbuzzer
Electromagnetic buzzer internal composition:
1. Waterproof sticker 2. Spools 3. Coil 4. Magnet 5. Base 6. Pin 7. Shell 8. Core 9. Sealing glue 10. A small metal plates 11. Vibrating membrane
12. Circuit board
The working principle of passive electromagnetic buzzer:
Ac signal through the bypass line in the stent in the stent core package produce a column [...]
Tags: Buzzer, Magnetic, Passive
Posted in TECHNOLOGY
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