CN214432577U - Hair care device for treating hair - Google Patents
Hair care device for treating hair Download PDFInfo
- Publication number
- CN214432577U CN214432577U CN201990000798.6U CN201990000798U CN214432577U CN 214432577 U CN214432577 U CN 214432577U CN 201990000798 U CN201990000798 U CN 201990000798U CN 214432577 U CN214432577 U CN 214432577U
- Authority
- CN
- China
- Prior art keywords
- hair
- care device
- hair care
- stroke
- counting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 2
- 238000010348 incorporation Methods 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B9/00—Arrangements of the bristles in the brush body
- A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
- A46B9/023—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups arranged like in hair brushes, e.g. hair treatment, dyeing, streaking
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B15/00—Other brushes; Brushes with additional arrangements
- A46B15/0002—Arrangements for enhancing monitoring or controlling the brushing process
- A46B15/0004—Arrangements for enhancing monitoring or controlling the brushing process with a controlling means
- A46B15/0006—Arrangements for enhancing monitoring or controlling the brushing process with a controlling means with a controlling brush technique device, e.g. stroke movement measuring device
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B2200/00—Brushes characterized by their functions, uses or applications
- A46B2200/10—For human or animal care
- A46B2200/104—Hair brush
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Brushes (AREA)
Abstract
Embodiments of the present disclosure relate to a hair care device for treating hair. A hair care device (B) for treating hair has a Stroke Counter (SC) comprising a movement sensor, a proximity detector and a control unit for counting strokes based on an output of the movement sensor when the proximity detector detects that the hair care device is within a predefined range from the hair. In this way, the hair care device can be counted with the movement sensor and the proximity sensor, and the accuracy of the result of the counting is high.
Description
Technical Field
The present invention relates to hair care devices (e.g., brushes, combs) having stroke counters.
Background
US2,981,963 discloses a brush having means in the brush for counting the strokes taken with the brush.
US 5,485,646 discloses a hair brush with an electronic stroke counter. The number of strokes is displayed on a digital ruler mounted to the brush holder for ease of reference. The brush may be used as a training aid to assist children in establishing counting skills.
SUMMERY OF THE UTILITY MODEL
There are no devices in the art for counting hair care devices with a movement sensor and a proximity sensor, and the accuracy of the result of the counting of strokes with the stroke counters associated with these techniques is insufficient.
It is an object of the present invention, inter alia, to provide an improved hair care device for treating hair with a stroke counter to at least partly solve the above mentioned problems in the prior art. The invention is defined by the independent claims. Advantageous embodiments are defined in the dependent claims.
According to an aspect of the present invention, a hair care device for treating hair, the hair care device having a stroke counter, the stroke counter comprising:
a movement sensor;
a proximity detector; and
a control unit for counting the strokes based on the output of the movement sensor when the proximity detector detects that the hair care device is within a predefined range from the hair.
In some embodiments, the control unit is arranged to: only after counting one stroke, when the movement sensor indicates that a movement away from the hair has been detected, the subsequent strokes are counted.
In some embodiments, the control unit is arranged to: only after counting one stroke, when the proximity detector indicates that the hair care device has been moved away from the hair, the subsequent stroke is counted.
According to another aspect of the invention, the stroke counter comprises a movement sensor (e.g. an accelerometer), a proximity detector (e.g. an infrared sensor) and a control unit for counting strokes based on an output of the accelerometer when the proximity detector detects that the hair care device is within a predefined range (e.g. less than 0.5 cm) from the hair. In this way, the strokes are only counted when the hair care device is actually treating hair. Thus, some movement in air is not counted as a stroke.
Preferably, the control unit is arranged to count strokes only after a movement away from a hair has been detected. At the end of the stroke, the user removes the hair care device from the hair. By detecting whether the hair care device is removed from the hair (e.g. by means of a 3D accelerometer), the stroke is counted more accurately.
Preferably, the control unit is arranged to count subsequent strokes only if after counting one stroke, the proximity detector indicates that the hair care device has been moved away from the hair. This again results in a more accurate measurement of the number of strokes.
In this way, the hair care device can be counted with the movement sensor and the proximity sensor, and the accuracy of the result of the counting is high.
These and other aspects of the invention will be apparent from and elucidated with reference to the embodiments described hereinafter.
Drawings
Fig. 1 shows an embodiment of a hair brush according to the invention; and
fig. 2 shows a flow chart describing a method according to an embodiment of the invention.
Detailed Description
Fig. 1 shows an embodiment of a hair brush according to the invention. The hair brush has: a body B with a plurality of bristles (not shown), a stroke counter SC for counting strokes, an optional handle H, and an optional display D for displaying the number of strokes counted. The stroke counter SC may be a printed circuit board having a movement sensor, for example formed by an accelerometer, a proximity detector, for example formed by an infrared sensor, and a control unit, for example formed by a suitably programmed processor. The processor may also process other signals from other sensors, for example to determine the health of the hair as a result of the measured friction between the brush and the hair, to determine the force applied to the hair while brushing or combing to alert the user if the force applied is excessive, and/or to determine the need to use certain hair care products, for example as described in US 2015/0342515. Instead of having the display D, the hair brush may send (e.g., using bluetooth) information to the user's smartphone so that the user can view the trip count on the smartphone.
Fig. 2 shows a flow chart describing a method according to an embodiment of the invention. The stroke will only be counted when the proximity detector signal of a approaching hair and the movement away from the hair are both noticed.
In an advantageous embodiment, a more reliable brush stroke counter is provided due to the following measures:
checking whether the brush is close to the hair using a proximity detector (e.g. an infrared distance sensor);
to identify if there is movement away from the hair, because at the end of the stroke the user will move the brush away from the hair (rotate slightly);
again using a distance detector between the strokes of the hair brush, the brush will be far away from the hair, so that only when the brush has been far away from the hair can a new stroke be counted.
When a person brushes a tress of hair, they need to lift the brush and brush the tip from the root again. The motion of the lift can be measured to distinguish one stroke from another. A proximity detector may also be used to do this, since the distance to the hair is increased when one stroke ends, since the brush will be lifted in order to be able to start a new stroke.
Accelerometers are described, for example, in https:// en. wikipedia. org/wiki/Accelerometer. As mentioned in this article, accelerometers are used in smartphones, so that accelerometers small enough for incorporation into hair care devices are commercially available. The article mentions that nokia 5500 movements are characterized by a 3D accelerometer that can be accessed from software. The 3D accelerometer is used for step number recognition (counting) in sports applications, and for flick gesture recognition in a user interface. Some other devices provide a cheaper component for the tilt sensing feature that is not a true accelerometer.
Proximity detectors are described, for example, in https:// en. wikipedia. org/wiki/Proximity _ sensor. Proximity sensors typically emit a beam of electromagnetic field or electromagnetic radiation (e.g., infrared) and look for changes in the field or changes in the return signal. The article mentions the use of proximity sensors in smartphones, which means that sufficiently small proximity sensors for incorporation in hair care devices are commercially available.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design many alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps other than those listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and/or by means of a suitably programmed processor. In the device claim enumerating several means, several of these means may be embodied by one and the same item of hardware. The measures recited in mutually different dependent claims may advantageously be used in combination.
Claims (3)
1. A hair care device for treating hair, characterized in that the hair care device has a Stroke Counter (SC) comprising:
a movement sensor;
a proximity detector; and
a control unit for counting strokes based on the output of the movement sensor when the proximity detector detects that the hair care device is within a predefined range from the hair.
2. A hair care device as claimed in claim 1, characterized in that the control unit is arranged to: subsequent strokes are counted only if after one stroke is counted, the movement sensor indicates that movement away from the hair has been detected.
3. A hair care device as claimed in claim 1, characterized in that the control unit is arranged to: only after counting one stroke, when the proximity detector indicates that the hair care device has been moved away from the hair, the subsequent stroke is counted.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP18178920.7 | 2018-06-21 | ||
| EP18178920.7A EP3586673A1 (en) | 2018-06-21 | 2018-06-21 | Hair care device with stroke counter |
| PCT/EP2019/065689 WO2019243189A1 (en) | 2018-06-21 | 2019-06-14 | Hair care device with stroke counter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214432577U true CN214432577U (en) | 2021-10-22 |
Family
ID=62748759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201990000798.6U Active CN214432577U (en) | 2018-06-21 | 2019-06-14 | Hair care device for treating hair |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3586673A1 (en) |
| CN (1) | CN214432577U (en) |
| WO (1) | WO2019243189A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11612236B2 (en) | 2020-05-19 | 2023-03-28 | The Procter & Gamble Company | Smart hair grooming device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2981963A (en) | 1958-08-01 | 1961-05-02 | Lester R Peilet | Brush with stroke counter |
| US3104056A (en) * | 1959-06-29 | 1963-09-17 | Grosvenor M Cross | Integrating mount for brushes and the like |
| US5485646A (en) | 1994-09-06 | 1996-01-23 | Merritt; Robert L. | Hairbrush with electronic stroke counter |
| FR3000877B1 (en) | 2013-01-15 | 2018-09-07 | Withings | INSTRUMENTATED AND CONNECTED HAIR BRUSH AND COMPUTER SYSTEM USING SUCH A BRUSH |
-
2018
- 2018-06-21 EP EP18178920.7A patent/EP3586673A1/en not_active Withdrawn
-
2019
- 2019-06-14 WO PCT/EP2019/065689 patent/WO2019243189A1/en active Application Filing
- 2019-06-14 CN CN201990000798.6U patent/CN214432577U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019243189A1 (en) | 2019-12-26 |
| EP3586673A1 (en) | 2020-01-01 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |