Title:
振動センサ及び脈拍センサ
Document Type and Number:
Japanese Patent JP6400018
Kind Code:
B2
Abstract:
A BPF connected to a pulse wave generator has a bandwidth encompassing the fluctuation range of the resonance frequency of a helical antenna. As a result, even if the resonance frequency of the helical antenna fluctuates by a human body approaching the helical antenna, one or a number of a plurality of frequencies of signals passing through the BPF can pass through the bandwidth of the helical antenna.
Inventors:
Yasushi Sato
Application Number:
JP2015542655A
Publication Date:
October 03, 2018
Filing Date:
October 16, 2014
Export Citation:
Assignee:
Kyushu Institute of Technology
International Classes:
A61B5/0245; G01H9/00; G01S13/524
Domestic Patent References:
| JP2006055504A | ||||
| JP8248124A | ||||
| JP2004286675A | ||||
| JP2005121630A | ||||
| JP2008536621A | ||||
| JP11118914A | ||||
| JP2014039666A | ||||
| JP2006304963A |
Foreign References:
| US20080275337 | ||||
| WO2009083017A1 | ||||
| US20100241010 | ||||
| US20080074307 |
Attorney, Agent or Firm:
Shinto International Patent Office