You are here: Home / News / Industry Information
  • 01-11 2018 +Read More
    How to distinguish a magnetic buzzer and a piezo buzzer?
    Both of the magnetic and piezo buzzer are black cylinder with two pins by appearance. There are a few methods can help you to determine the buzzer you have.1. Testing the buzzer by a magnet or another same buzzer, if attracting, which means the buzzer you have is magnetic buzzer. On the contrary, pi
  • 01-08 2018 +Read More
    Question about Proper Polarity
    Do I have to pay attention to proper polarity ? What happens in event of reverse connection ?
  • 01-05 2018 +Read More
    The market of wearable devices is burgeoning and promising. With shipment forecasts at 12,16 million units in 2019 versus 45,7 million units in 2015 according to IDC (source: IDC Worldwide Quaterly Wearable Device Tracker, March 2015), it is an appealing new revenues stream for both consumer electr
  • 12-30 2017 +Read More
    History of Consumer Electronics
    For its first fifty years the phonograph turntable did not use electronics; the needle and soundhorn were purely mechanical technologies. However, in the 1920s radio broadcasting became the basis of mass production of radio receivers. The vacuum tubes that had made radios practical were used with re
  • 12-22 2017 +Read More
    Products and Trends of Consumer Electronics
    Main consumer electronics products include radio receivers, television sets, MP3 players, video recorders, DVD players, digital cameras, camcorders, personal computers, video game consoles, telephones and mobile phones.[5] Increasingly these products have become based on digital technologies, and ha
  • 12-19 2017 +Read More
    Consumer Electronics
    Consumer electronics or home electronics are electronic (analog or digital) equipments intended for everyday use, typically in private homes. Consumer electronics include devices used for entertainment (flatscreen TVs, DVD players, video games, remote control cars, etc.), communications (telephones,
  • 12-12 2017 +Read More
    Possible Reason that the Buzzer Has Noise
    When the sound which the buzzer generates is not a clear beep sound, we call it noise or broken sound. There are two possible ways to cause the noise.Improperly used If the voltage we input is too high, the diaphragm will easily touch other components, which causes the noise.When we set the wrong fr
  • 12-07 2017 +Read More
  • 12-04 2017 +Read More
    Introduction of Buzzer Frequency and Sound Pressure
    The sound of a buzzer is a kind of sound wave that is produced by a vibrating device.Frequency refers to the number of continuous cycles per second, and the frequency of measurement units is Hertz Hertz (Hz). The frequency range of human ear hearing is about 20-20khz, lower than 20Hz for the second
  • 11-30 2017 +Read More
    Function of SMD Buzzer Pin Feet
    Function and Distinction
  • 11-28 2017 +Read More
    The Symbol of Buzzer in Circuit Diagram
    How we express buzzer in circuit diagram?
  • 11-23 2017 +Read More
    Symbols of Voltage in Electroacoustic Industry
    There are several kinds of voltage symbols used in the electroacoustic industry.
  • Total 6 pages  Go to Page
  • Go



Quick link

Call us

Changzhou Keliking Electronics Co., Ltd.
Contact:Mr. Yao
Tel:86 +519-88671999-801
Fax:86 +519-88671999-808
Add:1-1301 Hang Seng Science Park, Tianning District, Changzhou, Jiangsu, China

Copyright  Changzhou Keliking Electronics Co., LTD. All rights reserved.