Bone conductive speaker
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United States of America Patent
Stats
-
Nov 6, 2007
Grant Date -
Nov 17, 2005
app pub date -
May 27, 2003
filing date -
May 28, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A bone conductive speaker is downsized without causing any loss in efficiency, simple in construction low in cost, and comprises yoke (2), magnet (3) disposed in a central area of the yoke, and voice coil (4) wound on the magnet. The yoke has its peripheral area divided into a plurality of upright portions; of the upright portions, each of first ones (5) oppositely disposed from each other is provided with a first engaging means (9) in its upper surface; second engaging means (8) each corresponding to the first engaging means are provided in a vibrating plate (7). The vibrating plate is mounted on a lid portion of the housing in a manner such that the vibrating plate is disposed on the upright portions of the yoke and fixedly mounted by means of the second engaging means in a manner such that the vibrating plate floats in the housing.
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Cited Art Landscape
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