Title:
OCCUPANT STATE ESTIMATION SYSTEM
Document Type and Number:
Japanese Patent JP2020171539
Kind Code:
A
Abstract:
To detect a respiration frequency and a state other than the respiration frequency on an occupant.SOLUTION: An occupant state estimation system includes an on-vehicle device 10 and a belt side communication device 20 attached to a seat belt of a vehicle for communicating with the on-vehicle device 10. The belt side communication device 20 includes a belt position estimation part 151 for estimating a belt position where the belt side communication device 20 is attached based on a signal indicating reception signal intensity of a radio wave transmitted from the on-vehicle device 10. It further includes a respiration frequency estimation part 152 for estimating a respiration frequency per unit time of an occupant based on the belt position, and a seating position estimation part 153 for estimating a seating position of the occupant wearing the seat belt based on the belt position.SELECTED DRAWING: Figure 2
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Inventors:
SAITO TAKASHI
SHIBATA SHUNSUKE
ITO MASAHIKO
YAMADA KOICHI
SHIBATA SHUNSUKE
ITO MASAHIKO
YAMADA KOICHI
Application Number:
JP2019075643A
Publication Date:
October 22, 2020
Filing Date:
April 11, 2019
Export Citation:
Assignee:
SOKEN INC
DENSO CORP
DENSO CORP
International Classes:
A61B5/113; A61B5/11; B60N2/90; B60R22/48; G08B21/02; G08B25/04
Attorney, Agent or Firm:
Patent Business Corporation Yuai Patent Office