Title:
クッション及び前記クッションを備えた音響システム
Document Type and Number:
Japanese Patent JP4907991
Kind Code:
B2
Abstract:
To obtain a to obtain a cushion function and suitable sound effects and a sound pressure effect by containing a speaker without giving sense of incongruity and avoiding impact from an outside to the speaker at the same time. A cushion 20 comprising: a resin body with a spring structure 10 comprising a three-dimensional structure including voids at a predetermined bulk density, the three-dimensional structure being obtained by contacting, entwining, and gathering adjacent ones of random loops or curls of continuous filaments made from a thermoplastic resin in such a manner as to allow the resulting structure to have a layered structure in which oppositely lengthwise disposed superficial layers have a high bulk density, and a core layer having a low bulk density is interposed between the superficial layers, wherein the resin body with the spring structure supports at least an upper half of a human body when using the cushion; and a speaker incorporated in the resin body with the spring structure 10 or oppositely disposed on either of the superficial layers of the resin body with the spring structure 10.
Inventors:
Sadao Nishibori
Iwao Kono
Yuichiro Nakamura
Iwao Kono
Yuichiro Nakamura
Application Number:
JP2005514223A
Publication Date:
April 04, 2012
Filing Date:
September 27, 2004
Export Citation:
Assignee:
Ein Research Center
International Classes:
A47C27/00; A47C21/00; A61H1/00; A61H23/02; H04R5/02
Domestic Patent References:
| JP2000233025A | 2000-08-29 | |||
| JP2003250667A | 2003-09-09 | |||
| JP2002354567A | 2002-12-06 |
Attorney, Agent or Firm:
Masaaki Ogura