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INNOVATION SOUND TECHNOLOGY CO., LTD.

INNOVATION SOUND TECHNOLOGY CO., LTD. Patent applications
Patent application number	Title	Published
20110103637	Earphone with a Movable Push Rod Structure - This invention relates to an earphone with a movable push rod structure, which comprising a housing, a sound-emitting unit assembled inside of the housing, and a sound duct connected to the sound-emitting unit for sound transmission, and an earplug connected to the sound duct, with an air duct assembled on the housing for the flow of air inside and outside the earphone, as well as a movable push rod assembled inside the housing and connected with the housing for adjusting air flow condition of the air duct. A completely sealed earphone can be achieved when the push rod is pushed to ii block the air duct, or an open earphone can be achieved when the push rod is separated from the air duct. This invention has advantages of convenient and flexible regulation of sound modes of the earphones, which can be applied to users who have different requirements for sounds, and also a broader range of applications.	05-05-2011
20080310671	Microspeaker with Damper in Magnetic Circuit - The present invention relates to a microspeaker with a damper in a magnetic circuit. The microspeaker includes a support, a magnetic circuit in the support, a diaphragm suspended on the support, and a voice coil and a damper connected with the diaphragm. The magnetic circuit is provided at the center with a through hole where the damper is positioned, and the voice coil is positioned in a magnetic gap formed by the magnetic circuit. The microspeaker of the present invention with the damper in the magnetic circuit can not only equally control resonance but also be produced in a simpler way compared to adding damping materials to the support.	12-18-2008