Title:
ANECHOIC CHAMBER
Document Type and Number:
Japanese Patent JP2018100496
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an anechoic chamber suppressing deterioration of sound insulation performance and generation of background noise due to resonance of a heat insulating panel.SOLUTION: An anechoic chamber 1 has a heat insulating panel 13 and a sound insulating layer 14 provided inside the heat insulating panel 13. The heat insulating panel 13 is formed by filling a heat insulating material between an outer metal plate and an inner metal plate, which have different thicknesses from each other.SELECTED DRAWING: Figure 3
Inventors:
TAKANOBU JUNICHIRO
HASEGAWA AKEMI
HASEGAWA AKEMI
Application Number:
JP2016245463A
Publication Date:
June 28, 2018
Filing Date:
December 19, 2016
Export Citation:
Assignee:
MITSUBISHI HEAVY IND AIR CONDITIONING & REFRIGERATION CORP
International Classes:
E04H5/06; E04B1/64; E04B1/66; E04B1/90; E04B1/98; G01H17/00; G10K11/16
Domestic Patent References:
| JP2008002981A | 2008-01-10 | |||
| JPH08128127A | 1996-05-21 | |||
| JP3038214U | 1997-06-10 | |||
| JP2008002981A | 2008-01-10 | |||
| JPH08128127A | 1996-05-21 | |||
| JP3038214U | 1997-06-10 |
Attorney, Agent or Firm:
Takamitsu Shimizu
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