KR20160109690A - Pulse rate sensing module, user device having the same, and pulse rate sensing method for user device - Google Patents

Pulse rate sensing module, user device having the same, and pulse rate sensing method for user device Download PDF

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Publication number
KR20160109690A
KR20160109690A KR1020150034563A KR20150034563A KR20160109690A KR 20160109690 A KR20160109690 A KR 20160109690A KR 1020150034563 A KR1020150034563 A KR 1020150034563A KR 20150034563 A KR20150034563 A KR 20150034563A KR 20160109690 A KR20160109690 A KR 20160109690A
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KR
South Korea
Prior art keywords
pulse wave
pulse
sensor
user
proximity sensor
Prior art date
Application number
KR1020150034563A
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Korean (ko)
Inventor
최용선
김대영
서귀범
전성수
김다희
Original Assignee
크루셜텍 (주)
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Priority to KR1020150034563A priority Critical patent/KR20160109690A/en
Publication of KR20160109690A publication Critical patent/KR20160109690A/en

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/024—Detecting, measuring or recording pulse rate or heart rate
    • A61B5/02416—Detecting, measuring or recording pulse rate or heart rate using photoplethysmograph signals, e.g. generated by infrared radiation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/024—Detecting, measuring or recording pulse rate or heart rate
    • A61B5/02438—Detecting, measuring or recording pulse rate or heart rate with portable devices, e.g. worn by the patient
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6887—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient mounted on external non-worn devices, e.g. non-medical devices
    • A61B5/6898—Portable consumer electronic devices, e.g. music players, telephones, tablet computers

Abstract

According to an embodiment of the present invention, there is provided a pulse sensing module that can be mounted on a user terminal, comprising: a pulse wave sensor; and a proximity sensor integrally formed with the pulse wave sensor and sensing proximity or contact of a user's body part, Wherein the operation of the pulse sensing module is determined based on the detection result of the proximity sensor.

Description

Technical Field [0001] The present invention relates to a pulse sensing module, a user terminal including the pulse sensing module, and a pulse sensing method of a user terminal.

The present invention relates to a pulse sensing module, a user terminal including the same, and a pulse sensing method of a user terminal. And more particularly, to a device and a method for sensing a pulse easily by a simple operation using a pulse sensing module in which a pulse wave sensor and a proximity sensor are integrated, quickly providing a result to a user, reducing power consumption, and reducing malfunction .

With the development of personal portable terminals including smart phones and smart pads and various wearable devices, attempts have been made to incorporate various healthcare and medical service functions into user terminals. Especially, it is expected that this kind of trial will be further expanded as healthcare support functions are installed in iOS, a mobile operating system, and health kit in Android.

In order to provide healthcare and medical services to users, it is necessary to measure various bio-signals. These biological signals include pulse waves (heart rate), oxygen saturation (SpO2), body fat, blood pressure, body temperature, blood sugar, blood vessel elasticity, and momentum. Various health data can be generated by combining these bio signals. Of these, pulses are important not only because they are basic bio-signals, but also because they enable a variety of applications. In addition, the sensor for measuring the pulse can be easily mounted to recent user's terminals, which can be downsized, high in measurement accuracy, low in cost, and thin and small in size.

Referring to FIG. 1, a configuration of a conventional user terminal equipped with a pulse sensor will be described. First, a touch screen 110, a front camera 120, and a proximity sensor 130 are disposed on a front surface of a smart phone 100 as a user terminal, and a rear camera 140, a flash 150, (160).

Referring to FIG. 2, a process of sensing a pulse in a conventional user terminal will be described. The touch screen 110 in a display-on state normally includes a task bar 111 at the top for continuously providing important information such as time, battery remaining amount, and terminal status, various applications A main screen 112 on which an icon or widget for execution is displayed and a home screen 112 for collecting icons for executing applications that are normally used such as a telephone, ) 113, which are shown in Fig.

In order to measure the pulse, the user first touches the icon A of the application related to the pulse measurement on the main screen 112 to execute the application, and touches the pulse measurement menu B on the activated screen 114 The finger is placed on the pulse sensor located on the rear side of the smartphone 100 to measure the pulse and the result is displayed on the active screen 114 and provided to the user.

Thus, the conventional user terminal has to undergo several steps (at least three steps from the icon selection, menu selection, and pulse measurement) to measure the pulse. Therefore, it is necessary to develop a user interface or a user experience (UI / UX) in order to sense the pulse easily with a simple operation and quickly provide the result to the user, thereby improving user's convenience.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above problems, and it is an object of the present invention to provide a pulse sensing module that integrates a pulse wave sensor and a proximity sensor to sense a pulse easily by a simple operation, Sensing device and method.

It is another object of the present invention to provide an apparatus and method related to pulse sensing that reduces power consumption and reduces malfunction.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are not intended to limit the invention to the precise form disclosed. There will be.

According to an aspect of the present invention, there is provided a pulse sensing module that can be installed in a user terminal. The pulse sensing module includes a pulse wave sensor and a pulse wave sensor, Wherein the pulse sensing module determines whether the pulse wave sensor operates based on the detection result of the proximity sensor.

In an embodiment of the present invention, the pulse wave sensor may be a PPG sensor that measures a pulse wave through a change in light amount absorbed in subcutaneous tissue.

According to another aspect of the present invention, there is provided a pulse sensing apparatus comprising a pulse wave sensor, a pulse sensing module which is integrally formed with the pulse wave sensor and has a proximity sensor that detects approach or contact of a user's body part, And a control unit electrically connected to the pulse sensing module, the input unit, and the display unit to transmit and receive a signal, wherein the controller is configured to control the proximity sensor And activates the pulse wave sensor when the proximity sensor senses approach or contact of a part of the user's body.

In an embodiment of the present invention, the pulse wave sensor may be a PPG sensor that measures a pulse wave through a change in light amount absorbed in subcutaneous tissue.

In an embodiment of the present invention, the pulse wave information measured by the pulse wave sensor includes at least one of a task bar, a pop-up window, a widget, a banner a banner, or the like.

According to another aspect of the present invention, there is provided a pulse sensing method using the user terminal, comprising the steps of: a) activating a proximity sensor when a display unit is turned on; b) Wherein the control unit activates the pulse wave sensor when the proximity sensor senses approach or contact of the user's body part, and c) the activated pulse wave sensor measures the pulse wave. The pulse sensing method of FIG.

The controller may transmit the pulse wave information to a task bar, a pop-up window, a widget, a task bar, and the like in one area of the display unit, And displaying the image in the form of at least one of banners.

In the embodiment of the present invention, if the pulse wave is not continuously detected for the predetermined time or the predetermined number of times in the step d, the proximity sensor and the pulse wave sensor may be turned off.

According to another aspect of the present invention, there is provided a processor-readable recording medium having recorded thereon a program for performing the above-described method.

According to an embodiment of the present invention, it is possible to easily provide a user interface and a user experience for user convenience by sensing a pulse with a simple operation and quickly providing the result to the user. In addition, it is possible to provide a device and a method relating to pulse sensing that reduce power consumption and reduce malfunction.

It should be understood that the effects of the present invention are not limited to the above effects and include all effects that can be deduced from the detailed description of the present invention or the configuration of the invention described in the claims.

1 is a schematic view of a conventional user terminal equipped with a pulse sensor.
FIG. 2 is a diagram illustrating a process of sensing a pulse through an application in a conventional user terminal.
3 is a block diagram showing the structure of a pulse sensing module and a user terminal according to an embodiment of the present invention.
4 is a diagram illustrating a process of sensing a pulse in a user terminal according to FIG.
5 is a flowchart illustrating a pulse sensing process according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.

Throughout the specification, when a part is referred to as being "connected" (connected, connected, coupled) with another part, it is not only the case where it is "directly connected" "Is included. Also, when an element is referred to as "comprising ", it means that it can include other elements, not excluding other elements unless specifically stated otherwise.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In this specification, the terms "comprises" or "having" and the like refer to the presence of stated features, integers, steps, operations, elements, components, or combinations thereof, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

3 is a block diagram showing the structure of a pulse sensing module and a user terminal according to an embodiment of the present invention.

The user terminal 10 may further include a memory unit 15 including a control unit 11, a pulse sensing module 12, a display unit 13, and an input unit 14.

Here, the user terminal 10 includes a personal portable terminal, a personal portable communication device, a portable communication terminal, a wearable device, and the like, and may be a mobile phone, a smart phone, a smart pad, a smart watch, a tablet PC, a netbook, It should be understood that the present invention encompasses a digital device capable of input and output (display), such as a PDA and navigation, and having a microprocessor and computing capability. In many cases, the user terminal 10 usually has a wireless communication function such as a voice call, a video call, a Wi-Fi, a Bluetooth, an Internet connection, etc. In many cases, the user terminal 10 is equipped with a touch screen as input and output means. It is not.

3, the control unit 11 is electrically connected to the pulse sensing module 12, the display unit 13, the input unit 14, and the memory unit 15 to transmit and receive signals. The control unit 11 is often understood as a microprocessor or an IC module, and the signal transmitted and received may be a control signal or a data signal.

The pulse sensing module 12 senses the user's pulse wave. 3 (b), the pulse sensing module 12 includes a pulse wave sensor 12a and a proximity sensor 12b.

The pulse wave sensor 12a may be, for example, a PPG (photoplethysmograph) sensor for measuring a pulse wave through a change in light amount absorbed in subcutaneous tissue.

The principle of the pulse wave sensor 12a will be described as follows. When the finger is placed on the light path, the degree of light absorption is determined by the amount of skin, tissue, and blood. The remaining amount of the light absorbance is proportional to the change of the blood flow. Therefore, when the light irradiated from the light source is partially absorbed by the finger, and the change in the amount of light transmitted or reflected by the amount of absorbed light is measured, the blood flow change due to the heartbeat, that is, the pulse wave can be measured.

In the pulse wave sensor 12a, the light source may be natural light or artificial light by flash, and the light receiving unit may be a camera (for example, a front or rear camera of a smart phone) mounted on a user terminal or a separate photodiode. On the other hand, the pulse wave sensor 12a may be an oxygen saturation (SpO2) sensor. In this case, except that a light source for irradiating light of two different wavelengths is required, a pulse wave can be measured The same as the above description.

The proximity sensor 12b is integrally formed with the pulse wave sensor 12a to detect that a part of the user's body is approaching or contacting.

The proximity sensor 12b may be an infrared (IR), ultrasound, microwave, optical, magnetic, inductive, or capacitive sensor. For example, in the case of an infrared system commonly used in electronic applications such as smart phones, Light is irradiated and the amount of light reflected by the target object (e.g., the user's finger) is sensed to determine whether the object is approaching or not.

The fact that the proximity sensor 12b is integrated with the pulse wave sensor 12a means that even when the proximity sensor 12b and the pulse wave sensor 12a are accommodated in one housing or a separate housing, So that the proximity sensor 12a and the proximity sensor 12b can be equated with the proximity sensor 12a and the proximity sensor 12b, Which means that the proximity sensor 12b is located close enough.

Next, the display unit 13 is a component that displays various information to the user, and the input unit 14 is a component that receives various information from the user. The display unit 13 and the input unit 14 may be provided integrally or separately. In other words, the input unit 14 may be provided separately from the display unit 13, for example, in the form of a keyboard or an input switch. Alternatively, the input unit 14 may be provided integrally with the display unit 13, have.

The memory unit 15 includes a program memory or a data memory, and stores a program for controlling the general operation of the user terminal or data generated during execution of the program.

In the pulse sensing module 12 according to the embodiment of the present invention, the operation of the pulse wave sensor 12a is determined depending on the detection result of the proximity sensor 12b. For example, the pulse wave sensor 12a can be activated only when the proximity sensor 12b detects that a part of the user's body has approached or touched. A detailed description thereof will be described later.

Next, referring to FIG. 4, a process of sensing a pulse in a user terminal will be described. Here, the case of the smartphone 100 equipped with the pulse sensing module is exemplified.

As shown, when a user touches or approaches a body part (e.g., a finger) on the pulse sensing module 12 of the smartphone 100 (see Fig. 4 (a)), the proximity of the pulse sensing module 12 The sensor 12b detects this and activates the pulse wave sensor 12a.

When the pulse wave sensor 12a detects the pulse wave and the pulse wave is not continuously detected for a predetermined number of times, the proximity sensor 12b and the pulse wave sensor 12a are turned off ).

On the other hand, if the pulse wave is normally detected, the measurement result is displayed on the task bar 111 of the touch screen 110 (see FIG. 4 (a)). As described above, in the embodiment of the present invention, the pulse measurement is started immediately without running an application or a program, and the result is directly displayed on the touch screen 110, so that the user can grasp the pulse measurement result very easily and quickly do. Compared with the conventional pulse sensing process shown in FIG. 2, it can be seen that the total of three (or more) measurement / display processes is reduced to one stage. This provides a faster and simpler user interface and user experience (UI / UX) than before.

It is also possible to provide the pulse wave information measured by the pulse wave sensor in a form other than the task bar. For example, the pulse wave information may be provided as a pop-up window, a widget, or a banner appearing on the main screen 112 or the home screen 113 (see FIG. 4B) .

Meanwhile, FIG. 4 illustrates a case where a pulse sensing module (indicated by a broken line) is placed on the upper side of the back side of the smartphone 100, but it is needless to say that the position and the form of the pulse sensing module are not limited thereto. Also, as described above, the pulse wave sensor of the pulse sensing module may be implemented as a rear camera or a front camera.

Next, the pulse sensing process according to the embodiment of the present invention will be described in detail with reference to the flowchart of FIG.

The controller 11 determines whether the proximity sensor 12b of the pulse sensing module 12 is turned on or not in step S20 if the display unit 13 is on, (Step S30).

By activating the proximity sensor 12b only when the display unit 13 is turned on, the power consumption of the user terminal 10 can be reduced as compared with the case where the proximity sensor 12b is always activated, It is possible to prevent a problem that a non-body part is brought into contact with / approach to the proximity sensor 12b to cause a malfunction.

Next, the proximity sensor 12b detects whether or not the object contacts / approaches (S40). The control unit 11 activates the pulse wave sensor 12a of the pulse sensing module 12 in step S50 if the activated proximity sensor 12b detects that a part of the user's body has approached or touched.

Thereafter, the activated pulse wave sensor 12a measures a pulse wave (step S60). If the pulse wave is normally detected, the pulse wave information measured by the pulse wave sensor 12a is provided to the user in the form of a task bar, a pop-up window, a widget, or a banner displayed in one area of the display unit 13 ).

If the pulse wave sensor 12a does not detect the pulse wave initially, it retries the pulse wave detection and determines whether the pulse wave is detected a predetermined number of times (or a predetermined time) (S90). When the pulse wave is not continuously detected for a predetermined number of times, the pulse wave sensor 12a and the proximity sensor 12b are deactivated (Off) for a predetermined time (S100). In contrast, if the pulse wave is detected within a predetermined number of times even if the pulse wave is not detected initially, it is determined that the contact between the sensor and the body is unstable, and the pulse wave sensing is retried by repeating steps S30 to S60.

As described above, in the user terminal according to the embodiment of the present invention, the proximity sensor is activated only when the display unit is turned on, and the pulse wave sensor is activated only when the proximity sensor detects that a part of the user's body has approached or touched , The power consumption of the user terminal is reduced and the possibility of malfunction is reduced.

In addition, the pulse signal can be measured immediately without running a separate application or program, and the measured pulse signal is displayed to the user directly in the form of a task bar or a widget, thereby providing a simple and easy user interface and user experience .

On the other hand, although not shown, it is also possible to release an always-on mode in which a user can immediately make a pulse signal without driving an application or a program. For example, the user can cancel the pulse measurement mode in the setting window (or the function selection window) of the user terminal. In this case, the proximity sensor 12b or the pulse wave sensor 12a is not activated even when the display unit is on. Therefore, the user can change the mode or perform pulse sensing only through a separate application or the like.

It will be understood by those skilled in the art that the foregoing description of the present invention is for illustrative purposes only and that those of ordinary skill in the art can readily understand that various changes and modifications may be made without departing from the spirit or essential characteristics of the present invention. will be. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. For example, each component described as a single entity may be distributed and implemented, and components described as being distributed may also be implemented in a combined form.

The scope of the present invention is defined by the appended claims, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included within the scope of the present invention.

10: User terminal
11:
12: Pulse sensing module
12a: pulse wave sensor
12b: Proximity sensor
13:
14:
15:

Claims (9)

A pulse sensing module mountable on a user terminal,
Pulse wave sensor, and
And a proximity sensor that is integrally formed with the pulse wave sensor and detects proximity or contact of a part of the user's body,
Wherein the operation of the pulse-wave sensor is determined based on the detection result of the proximity sensor.
The method according to claim 1,
Wherein the pulse-wave sensor is a PPG sensor that measures a pulse wave through a change in light amount absorbed in subcutaneous tissues.
A pulse sensing module which is integrally formed with the pulse wave sensor and has a proximity sensor that detects approach or contact of a part of a user's body,
An input unit and a display unit provided integrally or separately, and
And a control unit electrically connected to the pulse sensing module, the input unit, and the display unit to transmit and receive a signal,
Wherein the controller activates the proximity sensor when the display unit is on and activates the pulse wave sensor when the proximity sensor senses approach or contact of a part of the user's body.
The method of claim 3,
Wherein the pulse wave sensor is a PPG sensor that measures a pulse wave through a change in light amount absorbed in a subcutaneous tissue.
The method of claim 3,
The pulse wave information measured by the pulse wave sensor may be in the form of at least one of a task bar, a pop-up window, a widget, and a banner displayed in one area of the display unit Is provided.
A pulse sensing method using a user terminal according to claim 3,
a) activating the proximity sensor when the display unit is turned on;
b) activating the pulse wave sensor if the activated proximity sensor senses approach or contact of the user's body part; And
and c) measuring the pulse wave by the activated pulse wave sensor.
The method according to claim 6,
(d) After step (c), the controller transmits the pulse wave information to at least one of a task bar, a pop-up window, a widget, and a banner The method of claim 1, further comprising the step of:
8. The method of claim 7,
Wherein the step (d) turns off the proximity sensor and the pulse wave sensor when a pulse wave is not continuously detected for a predetermined time or a predetermined number of times.
9. A processor-readable recording medium on which a program for performing the method according to any one of claims 6 to 8 is recorded.
KR1020150034563A 2015-03-12 2015-03-12 Pulse rate sensing module, user device having the same, and pulse rate sensing method for user device KR20160109690A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021096216A1 (en) * 2019-11-14 2021-05-20 삼성전자 주식회사 Wearable device and method for providing information of user

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021096216A1 (en) * 2019-11-14 2021-05-20 삼성전자 주식회사 Wearable device and method for providing information of user

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