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| Home > Profile > History of DB Products |
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| 2008 |
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Develop the SMD Speaker and Digital Microphone. |
| 2007 |
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Develop the MEMS Microphone. |
| 2006 |
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Develop Ultra-sonic product, for Medical, Humidifier, Fish detector. |
| 2005 |
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Develop Ultra-sonic product, high power miniature speaker. |
| 2004 |
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Develop oval shape & rectangular type receiver, 5mm magnetic transducer. |
| 2001 |
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Develop 2 in 1 (Speaker+Receiver) to pentrate the mobile phone market. |
| 2000 |
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Develop the thinnest SMD transducer with 2mm in the world & qualified ISO14001. |
| 1999 |
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Develop the S.M.D. type transducer & buzzer. |
| 1997 |
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Develop condenser microphone, receiver, speaker & qualified ISO9002. |
| 1996 |
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Develop mylar speaker, magnetic transducer, buzzer for computer items. |
| 1995 |
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Develop new series of the magnetic transducer to fit for the cordless phone market, mechanical buzzer for catch-rat machine.. |
| 1990 |
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Develop external drive piezo transducer for the cord phone market. |
| 1986 |
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First one to make the FCC standard phone buzzer, and develop more self drive piezo transducer to fit for the new security field. |
| 1983 |
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Develop magnetic buzzer & piezo buzzer. |
| 1980 |
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First one to develop the UL horn in the world. |
| 1976 |
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Established on 4 Aug., 1976. Making the metal horn for security field. |
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