发明名称 SPEAKER APPARATUS
摘要 A speaker apparatus includes a speaker unit arranged to output sound to the exterior of the speaker apparatus via an opening; an enclosure containing the speaker unit; and a protection units, supported by the enclosure, for protecting the speaker unit, wherein the protection units includes a protection member for at least partially covering the opening, and wherein the apparatus comprises moving unit for changing the distance between the enclosure and the protection units and wherein the protection units is configured such that the position of the protection member changes with respect to the opening in accordance with a change in the distance between the enclosure and the protection units.
申请公布号 US2010296686(A1) 申请公布日期 2010.11.25
申请号 US20100779571 申请日期 2010.05.13
申请人 CANON KABUSHIKI KAISHA 发明人 MACHII RITSUO;ANDO MASAHIRO
分类号 H04R1/02 主分类号 H04R1/02
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