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US 4,601,361 AGranted
Structure for mounting loudspeaker on electronic musical instrument
AssigneeNippon Gakki Seizo Kabushiki Kaisha
InventorAkira Nakada
Life of this patent
Estimating the term…
Abstract
On an electronic musical instrument, a loudspeaker is fitted to a space through a bellows. Therefore, it can be freely pulled out and push into the space. Further, the use of the bellows contribute to making the space smaller and an acoustic effect easily changeable.
Claims8
A compactable and adjustable structure for mounting a speaker in an electronic musical instrument having a speaker accommodating space comprising:
- a bellows shaped hollow pliable member with first and second ends, said first end being adapted to allow mounting to a speaker, said second end being adapted to allow mounting to a surface, said hollow pliable member facilitating movement from a first position, in which said speaker and said hollow pliable member is wholly confined within said speaker accommodating space, to a plurality of second positions in which said speaker and said hollow pliable member project at least partially beyond the confines of said speaker accommodating space, movement from said first position to said plurality of second positions allowing adjustment of the volume of air behind the speaker and within the hollow pliable member to obtain an optimum acoustic characteristic.
Dependencies are inferred from the claim text.