Title:
PORTABLE DEVICE OUTPUT SOUND AMPLIFIER
Document Type and Number:
WIPO Patent Application WO/2017/073217
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide an instrument for amplifying the volume of sound outputted from a portable device, and further improving sound quality. The portable device output sound amplifier disclosed in the present application amplifies sound outputted from a portable device. The portable device output sound amplifier is provided with a housing main body part for housing the portable device. The housing main body part is provided with a housing space into which the portable device is inserted and housed, a wall part having an inner wall surface that defines the housing space, and an insertion opening formed in one end side of the wall part with respect to an insertion direction in which the portable device is inserted into the housing space, the portable device being inserted through the insertion opening. The housing space is formed to extend in the insertion direction, the inner wall surface has a plurality of sound-reflecting surfaces in which the vertices of polygons are joined, and the plurality of sound-reflecting surfaces are disposed to be nonparallel so that the edges of the polygons are nonparallel with each other.
Inventors:
UCHIDA YOSHIHISA (JP)
Application Number:
PCT/JP2016/078341
Publication Date:
May 04, 2017
Filing Date:
September 27, 2016
Export Citation:
Assignee:
INT METEOROLOGICAL CONSULTANT INC (JP)
International Classes:
G10K11/08; H04M1/04; H04M1/11; H04M1/21; H04M1/62
Foreign References:
| JP2005136895A | 2005-05-26 | |||
| JP3190595U | ||||
| JP2005184050A | 2005-07-07 |
Attorney, Agent or Firm:
MIYAGAWA Sosuke et al. (JP)
Download PDF: