Measurement apparatus, measurement method, program and information processing apparatus

• US 9,095,260 B2
• Filed: 05/07/2012
• Issued: 08/04/2015
• Est. Priority Date: 06/03/2011
• Status: Expired due to Fees

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: Nakao, Isamu, Muramatsu, Hirotaka, Ogiso, Takayuki, Endo, Akira
• Primary Examiner(s): AHMED, SAMIR ANWAR
• Application Number:
  US13/465,386
• Publication Number:
  US 20120310071A1
• Time in Patent Office: 1,184 Days
• Field of Search: 382/115, 600/393
• US Class Current: 1/1
• CPC Class Codes: A61B 2560/0468 Built-in electrodes
• CPC Class Codes: A61B 2562/046 in a matrix array
• CPC Class Codes: A61B 2562/125 characterised by the manufacture of electrodes
• CPC Class Codes: A61B 5/0537 Measuring body composition by impedance, e.g. tissue hydration or fat content
• CPC Class Codes: A61B 5/25 Bioelectric electrodes therefor
• CPC Class Codes: A61B 5/339 Displays specially adapted therefor
• CPC Class Codes: A61B 5/4872 Body fat
• CPC Class Codes: A61B 5/6898 Portable consumer electronic devices, e.g. music players, telephones, tablet computers

Abstract

A measurement apparatus according to the present disclosure including a plurality of transparent electrodes provided on a surface of a display, an acquisition part acquiring an imaging signal obtained by imaging the surface of the display from an inside of the display, a configuring part configuring electrode pair candidates from the plurality of transparent electrodes based on the imaging signal acquired in a state that a subject touches the surface of the display, an electrocardiographic waveform signal measurement part measuring electrocardiographic waveform signals of the subject using respective electrode pair candidates configured, and a determination part determining a measurement electrode pair from the electrode pair candidates based on the electrocardiographic waveform signals measured using respective electrode pair candidates. This measurement apparatus is applicable to, for example, performing a personal authentication process of the subject based on the electrocardiographic waveform signal.

Claims

1. A measurement apparatus comprising:

a plurality of transparent electrodes provided on a surface of a display;

an acquisition part acquiring an imaging signal obtained by imaging the surface of the display from an inside of the display when a subject touches the surface of the display;

a configuring part configuring electrode pair candidates from the plurality of transparent electrodes based on an acquired imaging signal from the acquisition part;

an electrocardiographic waveform signal measurement part measuring electrocardiographic waveform signals of the subject using respective electrode pair candidates configured; and

a determination part determining a measurement electrode pair from the electrode pair candidates based on the electrocardiographic waveform signals measured using the respective electrode pair candidates.

2. The measurement apparatus according to claim 1, wherein

the electrocardiographic waveform signal measurement part further measures an electrocardiographic waveform signal using the determined measurement electrode pair.

3. The measurement apparatus according to claim 2, further comprising

an authentication processing part performing authentication process of the subject based on the measured electrocardiographic waveform signal.

4. The measurement apparatus according to claim 2, wherein

the determination part determines the measurement electrode pair from the electrode pair candidates based on S/N ratios of the electrocardiographic waveform signals measured using respective electrode pair candidates.

5. The measurement apparatus according to claim 2, wherein

the determination part determines the measurement electrode pair from the electrode pair candidates based on communication results in communications of a predetermined pattern signal via respective electrode pair candidates.

6. The measurement apparatus according to claim 2, further comprising

a bioelectrical impedance measurement part measuring a bioelectrical impedance of the subject using the determined measurement electrode pair.

7. The measurement apparatus according to claim 6, wherein

the bioelectrical impedance measurement part further measures bioelectrical impedances of the subject using respective electrode pair candidates selected, and

the determination part determines the measurement electrode pair from the electrode pair candidates based on the bioelectrical impedances measured using respective electrode pair candidates for plural subjects touching the surface of the display.

8. A measurement method for a measurement apparatus measuring an electrocardiographic waveform signal of a subject, comprising, by the measurement apparatus:

acquiring an imaging signal obtained by imaging a surface of a display from an inside of the display when the subject touches the surface of the display, a plurality of transparent electrodes being provided on the surface;

configuring electrode pair candidates from the plurality of transparent electrodes based on the acquired imaging signal;

measuring electrocardiographic waveform signals of the subject using respective electrode pair candidates configured; and

determining a measurement electrode pair from the electrode pair candidates based on the electrocardiographic waveform signals measured using respective electrode pair candidates.

9. A program stored on a non-transitory medium causing a computer to function as:

an acquisition part acquiring an imaging signal obtained by imaging a surface of a display from an inside of the display when a subject touches the surface of the display, a plurality of transparent electrodes being provided on the surface;

a configuring part configuring electrode pair candidates from the plurality of transparent electrodes based on an acquired imaging signal from the acquisition part;

an electrocardiographic waveform signal measurement part measuring electrocardiographic waveform signals of the subject using respective electrode pair candidates configured; and

a determination part determining a measurement electrode pair from the electrode pair candidates based on the electrocardiographic waveform signals measured using respective electrode pair candidates.

10. An information processing apparatus comprising:

a plurality of transparent electrodes provided on a surface of a display;

an acquisition part acquiring an imaging signal obtained by imaging the surface of the display from an inside of the display when a subject touches the surface of the display;

a configuring part configuring electrode pair candidates from the plurality of transparent electrodes based on an acquired imaging signal from the acquisition part;

an electrocardiographic waveform signal measurement part measuring electrocardiographic waveform signals of the subject using respective electrode pair candidates configured or a measurement electrode pair to be determined;

a determination part determining the measurement electrode pair from the electrode pair candidates based on the electrocardiographic waveform signals measured using respective electrode pair candidates; and

a signal processing part performing a predetermined process based on the electrocardiographic waveform signal measured using the measurement electrode pair.