JPS62297752A - Method and device for measuring flexibility of hair - Google Patents
Method and device for measuring flexibility of hairInfo
- Publication number
- JPS62297752A JPS62297752A JP61140963A JP14096386A JPS62297752A JP S62297752 A JPS62297752 A JP S62297752A JP 61140963 A JP61140963 A JP 61140963A JP 14096386 A JP14096386 A JP 14096386A JP S62297752 A JPS62297752 A JP S62297752A
- Authority
- JP
- Japan
- Prior art keywords
- hair
- wave
- flexibility
- vibrating
- excitation
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 6
- 230000005284 excitation Effects 0.000 claims description 15
- 230000001902 propagating effect Effects 0.000 claims description 12
- 230000000644 propagated effect Effects 0.000 abstract description 4
- 238000003745 diagnosis Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003646 hair health Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Landscapes
- Investigating Or Analysing Biological Materials (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
Description
【発明の詳細な説明】
３、発明の詳細な説明
（産業上の利用分野）
この発明は、毛髪の柔軟度を、毛髪を頭部から剪除する
ことな（直接測定するための方法及び装置に関する。Detailed Description of the Invention 3. Detailed Description of the Invention (Field of Industrial Application) This invention relates to a method and apparatus for directly measuring the flexibility of hair without shearing the hair from the head. .
（従来の技術）
毛髪の柔軟度には、個人差、年令差があり、柔軟度を測
定することによって、毛髪の健康状態を把握し、毛髪の
診断に資することが可能である。(Prior Art) There are individual differences and age differences in the degree of flexibility of hair, and by measuring the degree of flexibility, it is possible to understand the health condition of hair and contribute to hair diagnosis.
しかしながら、従来はこのような毛髪の柔軟度を測定す
る適当な方法は提案されていなかった。However, no suitable method for measuring the flexibility of hair has been proposed so far.
（発明が解決しようとする問題点）
この発明は、毛髪の柔軟度を簡便な手段で精度よく測定
せんとするものであり、特に毛髪を頭部から剪除するこ
となく直接測定可能として、毛髪の柔軟度を測定するに
好適なる手段を提供せんとするものである。(Problems to be Solved by the Invention) The present invention aims to accurately measure the flexibility of hair using a simple means. The purpose is to provide a suitable means for measuring flexibility.
（問題点を解決するための手段）
上記問題点を解決するために、第１の発明が採った手段
は、一本の毛髪を張設して、起振波を入力し毛髪を伝搬
して伝搬波をピックアップして、起振波と伝搬波との比
較により、波の減衰と位相差を測定し、毛髪の柔軟度を
測定するようにしたことを特徴とする。(Means for Solving the Problems) In order to solve the above problems, the first invention adopts a method of stretching a single hair, inputting an excitation wave and propagating it through the hair. It is characterized in that a propagating wave is picked up and the attenuation and phase difference of the wave are measured by comparing the excitation wave and the propagating wave, thereby measuring the flexibility of the hair.
又、第２の発明が採った手段は、一本の毛髪を張設する
手段と、起振波を入力する起振手段と、伝搬波をピック
アップする手段とからなることを特徴とする。Further, the means adopted in the second invention is characterized by comprising means for stretching a single hair, excitation means for inputting an excitation wave, and means for picking up a propagation wave.
（作 用）
一本の毛髪を張設して一端部に音波を入力して毛髪を起
振させ、入力部から離間した他端部で毛髪を伝搬して米
だ音波を検出する。そして、起振波と伝搬波を比較し、
音波の減衰から毛髪の弾性を、位相差から毛髪の粘性を
それぞれ測定する。(Operation) A piece of hair is stretched, and a sound wave is input to one end to cause the hair to vibrate, and the sound wave is detected by propagating through the hair at the other end separated from the input part. Then, compare the excitation wave and the propagation wave,
The elasticity of the hair is measured from the attenuation of the sound waves, and the viscosity of the hair is measured from the phase difference.
測定された弾性と粘性とにより毛髪の柔軟度を求める。The flexibility of the hair is determined from the measured elasticity and viscosity.
（発明の効果）
この発明によれば、毛髪を張設して音波で起振させ、伝
搬波をピックアップする簡単な手段で毛髪の柔軟度を測
定出来ると共に、毛髪を頭部から剪除することなく測定
出来る為、毛髪の柔軟度を簡便に且精度良く測定出来、
毛髪の健康診ｌＦｒ等に利用するに好適である。(Effects of the Invention) According to the present invention, the degree of flexibility of hair can be measured by a simple means of stretching hair, causing it to vibrate with sound waves, and picking up propagating waves, and without having to cut the hair from the head. Because it can be measured, the flexibility of hair can be easily and accurately measured.
It is suitable for use in hair health examinations, etc.
（実施例）
以下に図面を参照しつつこの発明の好ましい実施例を説
明する。図において（１）は一本の毛髪であり、適宜の
手段で張設する。該張設された毛髪（１）の適所にレコ
ード用カッティングマシン或はクリスタルマイク等の起
振手段（２）で起振波を送り込む。該起振手段（２）か
ら離れた位置にマイクロフォン等のピックアップ手段（
３）を配設し、毛髪（１）を伝搬した伝搬波をピックア
ップする。ピックアップされた伝搬波を増幅器（４）で
増幅し、電子計算機等の処理装置（５）によって、起振
波と伝搬波を比較して、伝搬波の減りから毛髪の弾性を
、又位相差により毛髪の粘性をそれぞれ測定する。(Embodiments) Preferred embodiments of the present invention will be described below with reference to the drawings. In the figure, (1) is a single hair, which is stretched by an appropriate means. An excitation wave is sent to an appropriate location of the stretched hair (1) using an excitation means (2) such as a record cutting machine or a crystal microphone. A pickup means such as a microphone (
3) to pick up the propagating waves propagated through the hair (1). The picked-up propagating wave is amplified by an amplifier (4), and a processing device (5) such as an electronic computer compares the excitation wave and the propagating wave, and determines the elasticity of the hair from the decrease in the propagating wave and from the phase difference. Measure the viscosity of each hair.
そして、測定された弾性と粘性とによって、毛髪の柔軟
度を求める。Then, the degree of flexibility of the hair is determined based on the measured elasticity and viscosity.
入力する起振波としては、第２図とに示すような正弦波
に代表される連続波若しくは第２図ルに示すパルス波が
適当である。As the input excitation wave, a continuous wave represented by a sine wave as shown in FIG. 2 or a pulse wave as shown in FIG. 2 is suitable.
第１図において（６）は発振器、（７）は増幅器であり
、起振波を適当な強さに増幅して毛髪（１）に入力する
。In FIG. 1, (6) is an oscillator, and (7) is an amplifier, which amplifies the excitation wave to an appropriate intensity and inputs it to the hair (1).
毛＊（１）は剪除することなく、直接測定に用いる。こ
のように毛髪は切り取ることなく、柔軟度を測定出来る
為、毛髪の診断等に好適な方法及び装置を提供出来るの
である。Hair*(1) is used for direct measurement without being trimmed. In this way, since the degree of flexibility can be measured without cutting the hair, it is possible to provide a method and apparatus suitable for hair diagnosis.
第１図はこの発明に係る柔軟度測定装置を概略的に示す
図、第２図は起振波の波形図である。
（１）・・・毛髪 （２）・・・起振手段（３
）・・・ピックアップ手段
（４）・・・増幅器 （５）・・・処理装置（６
）・・・発振器 （７）・・・増幅器特許出願人
株式会社 資 生 堂
２ ｍ
Ａ 旦FIG. 1 is a diagram schematically showing a flexibility measuring device according to the present invention, and FIG. 2 is a waveform diagram of an excitation wave. (1)...Hair (2)...Vibration means (3
)...Pickup means (4)...Amplifier (5)...Processing device (6
)...Oscillator (7)...Amplifier patent applicant Shiseido Co., Ltd. 2mA Dan
Claims (2)
搬して伝搬波をピックアップして、起振波と伝搬波との
比較により、波の減衰と位相差を測定し、毛髪の柔軟度
を測定するようにしたことを特徴とする毛髪の柔軟度測
定方法。(1) Stretch a piece of hair, input an excitation wave, propagate through the hair, pick up the propagating wave, and measure the attenuation and phase difference of the wave by comparing the excitation wave and the propagating wave. A method for measuring the flexibility of hair, characterized in that the flexibility of the hair is measured.
起振手段と、伝搬波をピックアップする手段とからなる
ことを特徴とする毛髪の柔軟度測定装置。(2) A hair flexibility measuring device comprising means for stretching a single hair, excitation means for inputting an excitation wave, and means for picking up a propagating wave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61140963A JPS62297752A (en) | 1986-06-17 | 1986-06-17 | Method and device for measuring flexibility of hair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61140963A JPS62297752A (en) | 1986-06-17 | 1986-06-17 | Method and device for measuring flexibility of hair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62297752A true JPS62297752A (en) | 1987-12-24 |
Family
ID=15280890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61140963A Pending JPS62297752A (en) | 1986-06-17 | 1986-06-17 | Method and device for measuring flexibility of hair |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62297752A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7472577B2 (en) * | 2005-01-24 | 2009-01-06 | Kao Corporation | Hair sensor |
-
1986
- 1986-06-17 JP JP61140963A patent/JPS62297752A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7472577B2 (en) * | 2005-01-24 | 2009-01-06 | Kao Corporation | Hair sensor |
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