Title:
PHYSIOLOGICAL DATA COLLECTION APPARATUS USING NON- AIRTIGHT AIR MAT
Document Type and Number:
Japanese Patent JP3513497
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To obtain an inexpensive apparatus facilitating the production of an air mat and reducing the use number of times of a pressure sensor or a microphone to the utmost in a physiological data collection apparatus of a system for detecting a change in the internal pressure of the air mat by the pressure sensor or the microphone.
SOLUTION: The air mat constituted of a plurality of non-airtight air chambers is used and a change in air pressure when load is applied is propagated to the single pressure sensor or microphone through the venting valves provided to the respective air chambers.
Inventors:
Takashima, Mitsuru
Application Number:
JP2001250516A
Publication Date:
March 31, 2004
Filing Date:
August 21, 2001
Export Citation:
Assignee:
M I LABS:KK
International Classes:
A47C27/08; A61B5/00; A61B5/08; A61B5/11; (IPC1-7): A61B5/00; A47C27/08; A61B5/08; A61B5/11
Attorney, Agent or Firm:
高橋 光男