Primax Electronics Ltd.

Arima Communitions Corp.

Ting-shuo Ku

Yung-Tai Pan

Chun-Hsien Wu

Che-Ming Liang

Jui-Hsiang Hsiao

A headphone device includes a covering member, a sound chamber casing and a speaker unit. The sound chamber casing is combined with the covering member, so that a sound chamber is formed. The speaker unit is installed within the sound chamber. The sound chamber includes a gas channel. The gas channel has a bend portion.

Headphone device

An array speaker structure for audio/video device includes a slide contact assembly by means of which an array speaker unit is movable out of the audio/video device from a retracted position to an extended position. The slide contact assembly is connected with a connector. By means of operating and 180-degree rotating the connector, the speakers of the array speaker unit can be rotatable to a front side of the audio/video device. Then the array speaker unit is lifted and attached to a lateral side of the audio/video device, whereby the speakers can emit sound from the front side of the audio/video device.

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Taipei, Taiwan

Ting-shuo Ku