BIOLOGICAL INFORMATION DETECTOR AND BIOLOGICAL INFORMATION MEASURING DEVICE

• US 20150005593A1
• Filed: 09/17/2014
• Published: 01/01/2015
• Est. Priority Date: 01/21/2010
• Status: Abandoned Application

• Current Assignee: Seiko Epson Corporation (Seiko Group)
• Original Assignee: Seiko Epson Corporation (Seiko Group)
• Inventors: IIJIMA, Yoshitaka, YAMASHITA, Hideto, MIYASAKA, Hideo
• Application Number:
  US14/488,841
• Publication Number:
  US 20150005593A1
• Time in Patent Office: Days
• US Class Current: 600/301
• CPC Class Codes: A61B 5/0082 adapted for particular medical purposes
• CPC Class Codes: A61B 5/0205 Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
• CPC Class Codes: A61B 5/02416 using photoplethysmograph signals, e.g. generated by infrared radiation A61B5/14552 takes precedence
• CPC Class Codes: A61B 5/02427 Details of sensor
• CPC Class Codes: A61B 5/11 Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb for measuring pulse A61B5/02 ;A61B5/1038 takes precedence; motion detection to correct for motion artifacts in physiological signals A61B5/721
• CPC Class Codes: A61B 5/1122 of movement trajectories
• CPC Class Codes: A61B 5/14553 specially adapted for cerebral tissue
• CPC Class Codes: A61B 5/681 Wristwatch-type devices
• CPC Class Codes: A61B 5/7278 Artificial waveform generation or derivation, e.g. synthesising signals from measured signals A61B5/327 takes precedence

Abstract

A biological information detector includes a light-emitting part, a first connecting pad, a first bonding wire and a light transmission part. The first bonding wire electrically connects the light-emitting part and the first connecting pad. The light transmission part transmits light emitted by the light-emitting part. The light transmission part covers the light-emitting part and the first bonding wire.

Claims

1. A biological information detector comprising:

a light-emitting part;

a first connecting pad;

a first bonding wire that electrically connects the light-emitting part and the first connecting pad; and

a light transmission part that transmits light emitted by the light-emitting part, wherein

the light transmission part covers the light-emitting part and the first bonding wire.

2. The biological information detector according to claim 1, wherein

the light transmission part covers the first connecting pad.

3. The biological information detector according to claim 1, further comprising

a first wiring that is electrically connected with the first connecting pad, wherein

the light transmission part covers at least a part of the first wiring.

4. The biological information detector according to claim 1, wherein

a thickness of the light transmission part is from 1 μ

m to 1000 μ

m.

5. The biological information detector according to claim 1, wherein

a thickness of the light-emitting part is from 1 μ

m to 1000 μ

m.

6. The biological information detector according to claim 1, further comprising

a reflecting part that is disposed in periphery of the light-emitting part.

7. The biological information detector according to claim 1, wherein

a length of a side of the light-emitting part is from 100 μ

m to 10,000 μ

m.

8. A biological information measuring device comprising:

the biological information detector according to claim 1; and

a processing unit that processes the biological information from a light reception signal generated in a light-receiving part to calculate the biological information, wherein

the light-receiving part generates the light reception signal by receiving light reflected at a detection site of a test subject.

9. The biological information measuring device according to claim 8, wherein

the biological information is a pulse rate.

10. The biological information measuring device according to claim 8, further comprising

an acceleration detecting part that detects an acceleration signal caused by a movement of the detection site, wherein

the processing unit processes the biological information from the light reception signal and the acceleration signal to calculate the biological information.

11. The biological information detector according to claim 1, further comprising

a false wiring that is disposed in periphery of the light-emitting part, wherein

the false wiring is not electrically connected to the first connecting pad.

12. The biological information measuring device according to claim 10, further comprising:

a first A/D conversion unit that performs an A/D conversion of the light-reception signal from the light-receiving part to output a A/D converted light-reception signal to the processing unit; and

a second A/D conversion unit that performs an A/D conversion of the acceleration signal from the acceleration detecting part to output a A/D converted acceleration signal to the processing unit.

13. The biological information measuring device according to claim 8, further comprising

a control circuit that delivers a voltage to the light-emitting part in an intermittent manner, wherein

the control circuit includes a constant current circuit electrically connected to the light-emitting part via a protective resistance to deliver the voltage to the light-emitting part.

14. A biological information detector comprising:

a light-receiving part that receives light reflected at a detection site of a test subject and generates a light reception signal by receiving the light reflected at the detection site of the test subject;

a second connecting pad;

a second bonding wire that electrically connects the light-receiving part and the second connecting pad; and

a light transmission part that transmits the light reflected at the detection site, wherein

the light transmission part covers the light-receiving part and the second bonding wire.

15. The biological information detector according to claim 14, wherein

the light transmission part covers the second connecting pad.

16. The biological information detector according to claim 14, further comprising

a second wiring that is electrically connected with the second connecting pad, wherein

the light transmission part covers at least a part of the second wiring.

17. The biological information detector according to claim 14, wherein

a thickness of the light-receiving part is from 20 μ

m to 1000 μ

m.

18. The biological information detector according to claim 14, wherein

the light-receiving part has a maximum sensitivity within a range of 550 nm to 650 nm.

19. A biological information measuring device comprising:

the biological information detector according to claim 14; and

a processing unit that processes the biological information from the light reception signal generated in the light-receiving part to calculate the biological information.

20. The biological information measuring device according to claim 19, wherein

the biological information is a pulse rate.

21. The biological information measuring device according to claim 19, further comprising

an acceleration detecting part that detects an acceleration signal caused by a movement of the detection site, wherein

the processing unit processes the biological information from the light reception signal and the acceleration signal to calculate the biological information.

22. A biological information detector comprising:

a light-emitting part that emits light toward a detection site of a test subject;

a first connecting pad;

a first bonding wire that electrically connects the light-emitting part and the first connecting pad;

a light-receiving part that receives light reflected at the detection site;

a second connecting pad;

a second bonding wire that electrically connects the light-receiving part and the second connecting pad; and

a light transmission part that transmits light emitted by the light-emitting part, wherein

the light transmission part covers the light-emitting part and the first bonding wire, or the light-receiving part and the second bonding wire.

23. The biological information detector according to claim 22, further comprising:

a third wiring that has a third connecting pad; and

a third bonding wire that electrically connects the light-emitting part and the third connecting pad.

24. The biological information detector according to claim 22, wherein

the light transmission part covers the third bonding wire.

25. The biological information detector according to claim 22, further comprising

a reflecting part that is disposed in periphery of the light-emitting part.

26. The biological information detector according to claim 22, wherein

a length of a side of the light-emitting part is from 100 μ

m to 10,000 μ

m.

27. The biological information detector according to claim 22, wherein

a thickness of the light-receiving part is from 20 μ

m to 1000 μ

m.

28. A biological information measuring device comprising:

the biological information detector according to claim 22; and

a processing unit that processes the biological information from a light reception signal generated in the light-receiving part to calculate the biological information, wherein

the light-receiving part generates the light reception signal by receiving light reflected at a detection site of a test subject.

29. The biological information measuring device according to claim 28, wherein

the biological information is a pulse rate.

30. The biological information measuring device according to claim 28, further comprising

an acceleration detecting part that detects an acceleration signal caused by a movement of the detection site, wherein

the processing unit processes the biological information from the light reception signal and the acceleration signal to calculate the biological information.