Title:
IN-FLIGHT EAR PROTECTION DEVICE FOR JET AIRLINER, AND EAR MUFF
Document Type and Number:
Japanese Patent JP2007267310
Kind Code:
A
Abstract:
To make it easier to engage in work soon after arrival by reducing fatigue of traveling by a jet airliner.
Since the in-flight ear muff (ear protection device) 1 for jet airliner is used in an airplane; a movable hydraulic damper can be used, cups flexibly follow the motion of the head, and the fixed pressure of the cup can be fine-tuned. Also, an eye visor is used in place of an eye mask. A veil is used in place of a mask. The eye visor and veil are so constructed that they protect the face of a passenger against impact from before and a head band is so constructed that it protects it against impact from above.
COPYRIGHT: (C)2008,JPO&INPIT
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Inventors:
SHIRAISHI EIJI
Application Number:
JP2006092891A
Publication Date:
October 11, 2007
Filing Date:
March 30, 2006
Export Citation:
Assignee:
SHIRAISHI EIJI
International Classes:
H04R1/10; A61F9/04; A61F11/14; G10K11/178