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2019.7.22 | Developed Non-contact connector(Plug and Jack). | ||
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2019.5.1 | Developed and started manufacturing Micro vibration pick up sensor. Detailed Information |
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2017.10.25 | Our brand new product BCE500 series Bone Conduction Earphone is working under water. Driver unit is fixed to inside of fish bowl with screw and playing back sound source. You can listen the sound from fish bowl. Fish bowl itself is vibrating as diaphragm function. BCE500 series Bone Conduction Earphone demonstration video |
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2017.6.21 | The business activity for BCE500 series ,Canal type Bone Conduction Earphone, has commenced. Detailed Information(PDF File) |
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2016.11.25 | The patent for "Electromagnetic type Acoustic Transducer for Earphone" is granted by the Patent Office. Patent No.6032984 Detailed Information(PDF File) |
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2016.9.15 | The business activity for N20 No spout driver unit has commenced. Detailed Information(PDF File) |
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2016.6.16 | OFC Voice Coil Driver Unit for N20 series is now in mass production and ready for sale. Detailed Information(PDF File) |
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2015.9.30 | Yashima original 1-magnetic pole type magnetic driver
(EMD): Sales activities started. Detailed Information(PDF File) |
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2015.5.13 | N20 Series - Solid silver coil started in mass production.: Business activity began. Detailed Information(PDF File) |
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2015.4.1 | N20-5: Business activity began. Detailed Information(PDF File) |
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2014.4.16 | High-performance earphone ME148 began in manufacturing. Detailed Information |
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2014.4.16 | High-performance earphone ME150 began in manufacturing. Detailed Information |
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2014.4.16 | Microphone HM-01 began in business activity, which is not badly affected by a cutting wind noise. Detailed Information |
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2010.10.25 | Model Name in Specification for Mass Production: N20-2 Detailed Information(PDF File) |
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2010.10.25 | Update Technical Information | ||
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2009.03.18 | Update Technical Information | ||
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2007.05.22 | Ear Canal, Balanced Armature Type, Start of Sales Activity. Detailed Information(PDF File) Technical Information |
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2007.04.02 | This web site has been newly established. | ||
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