PATENT

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    Changzhou AMT Co.,Ltd are continuously developing new state of the art technology for acoustic applications, and by using our more than 20 years design experiences we have managed to innovate technologies so we have been needed to apply for more than 100 patents.
    Patent.No Patent.Type Patent.Name Application.Date Registration Authority
    2017201019165 Utility model Double dynamic speaker 2017-1-26 SIPO
    2017201050492 Utility model Compact modular speaker 2017-1-26 SIPO
    2017201049692 Utility model Linear vibrator 2017-1-25 SIPO
    2016214912214 Utility model Modular speaker 2016-12-30 SIPO
    2016213726603 Utility model Electroacoustic transducer 2016/12/14 SIPO
    201621214944X Utility model Balanced armature speaker 2016-11-10 SIPO
    2016211554759 Utility model Dynamic speaker with ceramic piezoelectric unit 2016-10-31 SIPO
    2016211262996 Utility model Feedback noise cancelling headphones and their noise reduction components 2016-10-14 SIPO
    2016211106979 Utility model A speaker 2016-10-10 SIPO
    2016210829824 Utility model A speaker 2016-9-26 SIPO
    201621082639X Utility model A speaker 2016-9-26 SIPO
    2016209206856 Utility model Vibrator 2016-8-22 SIPO
    2016208317620 Utility model A diaphragm and an electroacoustic transducer including the diaphragm 2016-8-2 SIPO
    2016208320002 Utility model A diaphragm and an electroacoustic transducer including the diaphragm 2016-8-2 SIPO
    2016205468807 Utility model A bass speaker 2016-6-7 SIPO
    2016205485821 Utility model Flattenable bass speaker 2016-6-7 SIPO
    2016204758836 Utility model Micro magnetic vibrator 2016-5-23 SIPO
    2016204715987 Utility model Swive miniature magnetic vibrator 2016-5-23 SIPO
    2016204583992 Utility model Longitudinally reinforced moving iron type vibrator 2016-5-19 SIPO
    2016204581183 Utility model Micro magnetic vibration component and micro vibrator 2016-5-19 SIPO
    2016204608542 Utility model Magnetic vibration assembly and vibrator 2016-5-19 SIPO
    201620458154X Utility model A vibrator 2016-5-19 SIPO
    2016204581198 Utility model Horizontally vibrating vibrator 2016-5-19 SIPO
    201620460264X Utility model Horizontally reinforced moving iron type vibrator 2016-5-19 SIPO
    2016204586825 Utility model Dynamic unit speaker 2016-5-19 SIPO