SEMI-PENETRATING TYPE OPTICAL DETECTION APPARATUSES AND METHOD FOR PHYSIOLOGICAL CHARACTERISTIC(S)

• US 20180049702A1
• Filed: 12/27/2016
• Published: 02/22/2018
• Est. Priority Date: 08/16/2016
• Status: Abandoned Application

• Current Assignee: PixArt Imaging Incorporated
• Original Assignee: PixArt Imaging Incorporated
• Inventors: Tsai, Cheng-Nan
• Application Number:
  US15/390,726
• Publication Number:
  US 20180049702A1
• Time in Patent Office: Days
• CPC Class Codes: A61B 2562/0238 Optical sensor arrangements for performing transmission measurements on body tissue
• CPC Class Codes: A61B 2562/0242 for varying or adjusting the optical path length in the tissue
• CPC Class Codes: A61B 5/14552 Details of sensors specially adapted therefor
• CPC Class Codes: A61B 5/681 Wristwatch-type devices
• CPC Class Codes: A61B 5/7214 using signal cancellation, e.g. based on input of two identical physiological sensors spaced apart, or based on two signals derived from the same sensor, for different optical wavelengths

Abstract

An optical detection method for detecting physiological characteristic(s), includes: providing at least one light emitting unit; disposing the light emitting unit on a first plane to emit light to a skin surface position of a human body part to be detected of a user; providing at least one optical sensing circuit; disposing the optical sensing circuit on a second plane to receive a sensing result of Photoplethysmography (PPG) signal from another skin surface position of the human body part to be detected; and generating a physiological characteristic(s) detection result according to the sensing result; the first plane is different and distinct from the second plane, and a substantial angle is formed between the two plans.

Claims

1. An optical detection method for detecting physiological characteristic(s), comprising:

providing at least one light emitting unit;

disposing the light emitting unit on a first plane to emit light to a skin surface position on a human body part to be detected of a user;

providing at least one optical sensing circuit;

disposing the optical sensing circuit on a second plane to receive a sensing result of Photoplethysmography (PPG) signal from another skin surface position of the human body part to be detected; and

generating a physiological characteristic(s) detection result according to the sensing result;

wherein the first plane is different and distinct from the second plane, and a substantial angle is formed between the first plane and the second plane.

2. The optical detection method of claim 1, wherein the substantial angle is between 0°

and 180°

.

3. An optical detection apparatus for detecting physiological characteristic(s), comprising:

a main body, having a first portion and a second portion; and

a belt body, connected to or covering at least one portion of the main body, configured for fixing the main body to at least one human body part to be detected of a user;

wherein at least one light emitting unit is configured at the first portion, the at least one light emitting unit is disposed on a first plane and used for emitting at least one light ray to at least one skin surface position of the at least one human body part to be detected of the user;

at least one optical sensing circuit is configured at the second portion and disposed on a second plane and used for receiving a sensing result of Photoplethysmography (PPG) signal from another skin surface position of the human body part to be detected, to generate a physiological characteristic(s) detection result according to the sensing result; and

, the first plane is different and distinct from the second plane, and a substantial angle is formed between the first plane and the second plane.

4. The optical detection apparatus of claim 3, wherein the substantial angle is between 0°

and 180°

.

5. The optical detection apparatus of claim 3, wherein the first portion and the second portion are integrally formed and are connected via a concave part to form a curved surface or a folded corner.

6. The optical detection apparatus of claim 3, wherein the first portion and the second portion are connected via a movable connection member to form a curved surface or a folded corner, and the movable connection member is a pivot or a fastener.

7. The optical detection apparatus of claim 3 is a wearable electronic device.

8. An optical detection apparatus for detecting physiological characteristic(s), comprising:

a main body, having a first portion; and

a belt body, connected to or covering at least one portion of the main body, the belt body having a second portion and being configured for fixing the main body to at least one human body part to be detected of a user;

wherein at least one light emitting unit is configured at one of the first portion and the second portion, the at least one light emitting unit is disposed on a first plane and used for emitting at least one light ray to at least one skin surface position of the at least one human body part to be detected of the user;

at least one optical sensing circuit is configured at the other of the first portion and the second portion, disposed on a second plane, and used for receiving a sensing result of Photoplethysmography (PPG) signal from another skin surface position of the human body part to be detected, to generate a physiological characteristic(s) detection result according to the sensing result; and

, the first plane is different and distinct from the second plane, and a substantial angle is formed between the first plane and the second plane.

9. The optical detection apparatus of claim 8, wherein the substantial angle is between 0°

and 180°

.

10. The optical detection apparatus of claim 8 is a wearable electronic device.

11. An optical detection apparatus for detecting physiological characteristic(s), comprising:

a main body; and

a belt body, connected to or covering at least one portion of the main body, the belt body having a first portion and a second portion and being configured for fixing the main body to at least one human body part to be detected of a user;

wherein at least one light emitting unit is configured at one of the first portion and the second portion, the at least one light emitting unit is disposed on a first plane and used for emitting at least one light ray to at least one skin surface position of the at least one human body part to be detected of the user;

at least one optical sensing circuit is configured at the other of the first portion and the second portion, disposed on a second plane, and used for receiving a sensing result of Photoplethysmography (PPG) signal from another skin surface position of the human body part to be detected, to generate a physiological characteristic(s) detection result according to the sensing result; and

, the first plane is different and distinct from the second plane, and a substantial angle is formed between the first plane and the second plane.

12. The optical detection apparatus of claim 11, wherein the substantial angle is between 0°

and 180°

.

13. The optical detection apparatus of claim 11 is a wearable electronic device.