JPH0718715B2 - Measuring instrument for locus with arc strain - Google Patents
Measuring instrument for locus with arc strainInfo
- Publication number
- JPH0718715B2 JPH0718715B2 JP26557591A JP26557591A JPH0718715B2 JP H0718715 B2 JPH0718715 B2 JP H0718715B2 JP 26557591 A JP26557591 A JP 26557591A JP 26557591 A JP26557591 A JP 26557591A JP H0718715 B2 JPH0718715 B2 JP H0718715B2
- Authority
- JP
- Japan
- Prior art keywords
- arc
- transparent substrate
- recording paper
- pen
- distortion
- 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.)
- Expired - Fee Related
Links
Landscapes
- Length-Measuring Instruments Using Mechanical Means (AREA)
- Recording Measured Values (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕本発明は、円弧ひずみを生ずるペ
ン書き記録器の軌跡から、円弧ひずみの誤差を含まない
時間要素と振幅要素の値を読み取る円弧ひずみを有する
軌跡の測定器に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention has an arc distortion for reading the values of a time element and an amplitude element that do not include an error of the arc distortion from a locus of a pen writing recorder that causes the arc distortion. It relates to a trajectory measuring device.
〔従来の技術〕一般にペン書き記録器とよばれている装
置は、ぺンの駆動に可動コイル形ガルバノメータが使わ
れており、その回転軸に直接ペンが装着されているの
で、ペンの運動は円弧運動となり、記録された軌跡には
円弧ひずみが含まれることとなる。この円弧ひずみの誤
差は、第３図において、ＡＯの長さのペンがθ度の円弧
運動をしたとき、点Ａにおける時間要素の誤差は、１／
Ｓ・線分ＢＣ相当（ただしＳは記録紙の送り速さ）であ
り、振幅要素の誤差は弧ＡＢ−線分ＡＣである。それぞ
れ、二項展開、マクローリン展開を経て、時間要素の誤
差は約「１／Ｓ・（線分ＡＣ）２／２（線分ＡＯ）相
当」、振幅要素の誤差は約「１／６・（線分ＡＣ）３／
（線分ＡＯ）２」となる。従来、この円弧ひずみの誤差
に対処し得る測定器に該当するものは無く、補助的手段
として、記録紙上にペンの回転半径に見合った円弧状の
罫線を印刷して、これをスケールとして用いている。[Prior Art] In a device generally called a pen writing recorder, a moving coil galvanometer is used to drive a pen, and the pen is directly attached to the rotation axis of the pen. It becomes an arc motion, and the recorded locus contains arc distortion. This arc distortion error is as follows. In FIG. 3, the error of the time element at the point A is 1 /
It is equivalent to S · line segment BC (where S is the feeding speed of the recording paper), and the error of the amplitude element is arc AB−line segment AC. Each binomial expansion, through the Maclaurin expansion, error time elements about "1 / S · (line AC) 2/2 (line segment AO) equivalent", the error of the amplitude elements about "1/6 · ( Line segment AC) 3 /
(Line segment AO) 2 ”. Conventionally, there is nothing that corresponds to a measuring instrument that can deal with this arc distortion error, and as an auxiliary means, an arc-shaped ruled line corresponding to the radius of rotation of the pen is printed on the recording paper, and this is used as a scale. There is.
〔発明の解決しようとする課題〕従来の上記補助的手段
にあっては、罫線と罫線のあいだの空白部分に記録され
た軌跡は目分量で読み取らざるを得ず、仮に読み取り精
度を改善するために罫線の印刷密度を高くすると、多数
の罫線あるいは罫線間を逸脱しないよう数値の表示個所
まで辿らなければならず、視認性は著しく低下する。ま
たこれによれば、スケールは記録紙に印刷されているた
めに使い捨てとなる問題点があった。本発明は、新たに
円弧ひずみを有する軌跡の測定器を提供することを目的
としており、これによって上記補助的手段の問題点をも
解消することができる。[Problems to be Solved by the Invention] In the above-mentioned auxiliary means of the related art, in order to improve the reading accuracy, the locus recorded in the blank portion between the ruled lines has to be read at the interval. If the printing density of ruled lines is increased, it is necessary to trace a large number of ruled lines or to display numerical values so as not to deviate between the ruled lines, and the visibility is significantly reduced. Further, according to this, there is a problem that the scale is disposable because it is printed on the recording paper. An object of the present invention is to newly provide a measuring instrument for a trajectory having an arc distortion, which can solve the problem of the above-mentioned auxiliary means.
〔課題を解決するための手段〕本発明による円弧ひずみ
を有する軌跡の測定器は、円弧ひずみを生ずるペン書き
記録器の、記録紙上における、ペンの回転軸の振幅方向
の位置を基準とした、記録紙の送り方向に平行な直線に
対して特定の目量の目盛線を付した直線部と、ペンの回
転半径と同じ半径の弧に対して特定の目量の目盛線を付
した弧部Ｉと、ペンの回転軸から記録紙の上下端までの
振幅方向の距離を表す記録紙位置表示部を具えた透明基
板Ｉ、並びに透明基板Ｉの弧部Ｉと同じ弧部ＩＩを具え
た透明基板ＩＩからなり、透明基板Ｉに重ねた透明基板
ＩＩを、スライダにより記録紙の送り方向へ移動させる
ことができるように構成する。軌跡の計測にあたって
は、本測定器を、透明基板Ｉの直線部を基準として、適
正に配置する必要があるが、この手続きを容易にするた
めに、ペンの回転軸から記録紙の上下端までの距離は一
定であることを利用して、その距離に相当する部位に記
録紙位置表示部を具えるように構成する。[Means for Solving the Problem] A measuring instrument for a trajectory having an arc distortion according to the present invention is a pen-writing recorder that produces an arc distortion, on a recording paper, based on the position in the amplitude direction of the rotation axis of the pen, A straight line section with a specific scale mark on a straight line parallel to the recording paper feed direction, and an arc section with a specific scale line for an arc with the same radius as the pen's turning radius. I, a transparent substrate I having a recording paper position display portion indicating the distance in the amplitude direction from the rotation axis of the pen to the upper and lower ends of the recording paper, and a transparent substrate having the same arc portion II as the arc portion I of the transparent substrate I. The transparent substrate II, which is composed of the substrate II and is stacked on the transparent substrate I, can be moved in the feeding direction of the recording paper by the slider. In measuring the locus, this measuring device needs to be properly arranged with reference to the straight line portion of the transparent substrate I. To facilitate this procedure, from the rotation axis of the pen to the upper and lower ends of the recording paper. By utilizing the fact that the distance is constant, the recording paper position display portion is provided at the portion corresponding to the distance.
〔作用）上記のように構成された本測定器を、透明基板
Ｉの直線部を基準として、透明基板Ｉの弧部Ｉが測定対
象である軌跡の測定起点にくるように配置する。次い
で、透明基板ＩＩをスライダにより移動させて、透明基
板ＩＩの弧部ＩＩを軌跡の測定終点に配置すると、この
とき透明基板Ｉの直線部と透明基板ＩＩの弧部ＩＩとの
交点の、透明基板Ｉの直線部の目盛は時間要素について
円弧ひずみの誤差を含まない値を示す。また測定終点と
測定起点に位置する透明基板ＩＩの弧部ＩＩと透明基板
Ｉの弧部Ｉの目盛を読み、その差を求めれば振幅要素に
ついて円弧ひずみの誤差を含まない値を得ることができ
る。[Operation] With the straight line portion of the transparent substrate I as a reference, the present measuring device configured as described above is arranged so that the arc portion I of the transparent substrate I comes to the measurement starting point of the locus to be measured. Then, the transparent substrate II is moved by the slider to place the arc portion II of the transparent substrate II at the measurement end point of the locus. At this time, the transparent portion of the intersection of the straight portion of the transparent substrate I and the arc portion II of the transparent substrate II is transparent. The scale of the straight line portion of the substrate I indicates a value that does not include an error of arc distortion with respect to the time element. Further, by reading the scales of the arc portion II of the transparent substrate II and the arc portion I of the transparent substrate I located at the measurement end point and the measurement start point, and obtaining the difference between them, it is possible to obtain a value that does not include an arc distortion error for the amplitude element. .
〔実施例〕以下、本発明の実施例を第１図から第２図に
基づいて説明する。第１図において、（４）は透明基板
Ｉであって、円弧ひずみを生ずるペン書き記録器の、記
録紙上における、ペンの回転軸の振幅方向の位置を基準
とした、記録紙の送り方向に平行な直線に対して特定の
目量の目盛線を付した直線部（１）と、ペンの回転半径
と同じ半径の弧に対して特定の目量の目盛線を付した弧
部Ｉ（２）と、ペンの回転軸から記録紙の上下端までの
振幅方向の距離を表す記録紙位置表示部（３）を具えて
いる。（６）は透明基板ＩＩであって、透明基板Ｉ
（４）の弧部Ｉ（２）と同じ弧部（５）と、透明基板Ｉ
（４）に重ねて記録紙の送り方向に移動させることがで
きるようにするためのスライダ（８）と、透明基板Ｉ
（４）の直線部（１）と対になるバーニヤ目盛（８）を
具えている。次に第２図により本実施例における測定の
仕方を説明する。第２図は、４現象記録器による第２番
目の軌跡について測定する場合を示している。先ず透明
基板Ｉ（４）を、直線部（１）または記録紙位置表示部
（３）の表示により、振幅方向に関して適正に配置す
る。記録紙位置表示部（３）の表示は、この位置に記
録紙の上端を合わせると、記録紙上の第２番目のペンの
回転軸と本測定器の直線部（１）が一致することを表し
ている。次いで、透明基板Ｉ（４）を紙送り方向へ移動
させて、透明基板Ｉ（４）の弧部Ｉ（２）を軌跡の測定
起点上に配置する。その後、透明基板ＩＩ（６）をスラ
イドさせて、透明基板ＩＩ（６）の弧部ＩＩ（５）を軌
跡の測定終点上に配置すると、このとき透明基板Ｉ
（４）の直線部（１）と透明基板ＩＩ（６）の弧部ＩＩ
（５）との交点の、透明基板Ｉ（４）の直線部（１）の
目盛は時間要素について円弧ひずみの誤差を含まない値
を示す。また、測定終点と測定起点に位置する透明基板
ＩＩ（６）の弧部ＩＩ（５）と透明基板Ｉ（４）の弧部
（２）の目盛を読み、その差を求めれば振幅要素につい
て円弧ひずみの誤差を含まない値を得ることができる。
本実施例の透明基板Ｉ（４）の直線部（１）の目盛は、
特定の測定器における記録紙の送り速さに基づいて、長
さを時間に換算して表示する例を示している。[Embodiment] An embodiment of the present invention will be described below with reference to FIGS. 1 and 2. In FIG. 1, (4) is a transparent substrate I, which is in the feed direction of the recording paper, which is based on the position in the amplitude direction of the rotation axis of the pen on the recording paper of the pen-writing recorder that causes arc distortion. A straight line portion (1) having a specific scale mark on a parallel straight line and an arc portion I (2) having a specific scale mark on an arc having the same radius as the rotation radius of the pen. ) And a recording paper position display section (3) showing the distance in the amplitude direction from the rotation axis of the pen to the upper and lower ends of the recording paper. (6) is a transparent substrate II, which is a transparent substrate I
The same arc portion (5) as the arc portion I (2) of (4), and the transparent substrate I
A slider (8) for overlapping with (4) so that the recording paper can be moved in the feeding direction, and a transparent substrate I.
It is provided with a vernier scale (8) paired with the straight line portion (1) of (4). Next, the measuring method in this embodiment will be described with reference to FIG. FIG. 2 shows the case of measuring the second locus by the 4-phenomenon recorder. First, the transparent substrate I (4) is properly arranged in the amplitude direction by displaying the linear portion (1) or the recording paper position display portion (3). The display of the recording paper position display section (3) shows that when the upper end of the recording paper is aligned with this position, the rotation axis of the second pen on the recording paper and the straight line section (1) of the measuring instrument coincide. ing. Next, the transparent substrate I (4) is moved in the paper feeding direction, and the arc portion I (2) of the transparent substrate I (4) is placed on the measurement starting point of the locus. Then, the transparent substrate II (6) is slid to place the arc portion II (5) of the transparent substrate II (6) on the measurement end point of the locus.
Straight part (1) of (4) and arc part II of transparent substrate II (6)
The scale of the straight line portion (1) of the transparent substrate I (4) at the intersection with (5) shows a value that does not include the error of the arc distortion with respect to the time element. Further, if the scales of the arc portion II (5) of the transparent substrate II (6) and the arc portion (2) of the transparent substrate I (4) located at the measurement end point and the measurement start point are read, and the difference between them is calculated, an arc is generated for the amplitude element. It is possible to obtain a value that does not include a distortion error.
The scale of the linear part (1) of the transparent substrate I (4) of the present embodiment is
An example in which the length is converted into time and displayed based on the feeding speed of the recording paper in a specific measuring device is shown.
〔発明の効果〕本発明は、以上説明したように構成する
ことにより、新たに円弧ひずみを有する軌跡の測定器を
提供することができる。また従来の、記録紙上にペンの
回転半径に見合った円弧状の罫線を印刷してスケールと
する補助的手段にあっては、罫線と罫線のあいだの空白
部分に記録された軌跡は目分量で読み取らざるを得ず、
仮に読み取り精度を改善するために罫線の印刷密度を高
くすると、多数の罫線あるいは罫線間を逸脱しないよう
数値の表示個所まで辿ることとなり、視認性は著しく低
下すること、さらにスケールは記録紙に印刷されている
ために使い捨てとなる問題点があった。本発明によれ
ば、上記補助的手段の問題点を解消することができる。[Advantages of the Invention] The present invention can newly provide a measuring instrument for a trajectory having an arc distortion by being configured as described above. Further, in the conventional auxiliary means for printing an arc-shaped ruled line corresponding to the turning radius of the pen on the recording paper and using it as a scale, the locus recorded in the blank portion between the ruled lines is a scale. I have to read it,
If the printing density of the ruled lines is increased to improve the reading accuracy, the number of displayed lines will be traced so as not to deviate from many ruled lines or between the ruled lines, and the visibility will be significantly reduced. However, there is a problem that it is thrown away. According to the present invention, the problems of the above-mentioned auxiliary means can be solved.
第１図は本発明の一実施例を示す構成図、第２図はその
使用法を示す図、第３図は従来の技術を説明する資料の
図である。 （１）は直線部、（２）は弧部Ｉ、（３）は記録紙位置
表示部、（４）は透明基板Ｉ、（５）は弧部ＩＩ、
（６）は透明基板ＩＩ、（７）はスライダ、（８）はバ
ーニヤ目盛である。FIG. 1 is a block diagram showing an embodiment of the present invention, FIG. 2 is a diagram showing how to use the same, and FIG. 3 is a diagram showing materials for explaining a conventional technique. (1) is a straight line portion, (2) is an arc portion I, (3) is a recording paper position display portion, (4) is a transparent substrate I, (5) is an arc portion II,
(6) is a transparent substrate II, (7) is a slider, and (8) is a vernier scale.
Claims (1)
る、ペンの回転軸の振幅方向の位置を基準とした、記録
紙の送り方向に平行な直線に対して特定の目量の目盛線
を付した直線部（１）と、ペンの回転半径と同じ半径の
弧に対して特定の目量の目盛線を付した弧部Ｉ（２）
と、ペンの回転軸から記録紙の上下端までの振幅方向の
距離を表す記録紙位置表示部（３）を具えた透明基板Ｉ
（４）、並びに前記透明基板Ｉ（４）の弧部Ｉ（２）と
同じ弧部ＩＩ（５）を具えた透明基板ＩＩ（６）からな
り、前記透明基板Ｉ（４）に重ねた前記透明基板ＩＩ
（６）を、スライダ（７）により記録紙の送り方向へ移
動させることによって、円弧ひずみの誤差を含まない時
間要素と振幅要素の値を読み取ることを特徴とする円弧
ひずみを有する軌跡の測定器。A scale line with a specific scale is attached to a straight line parallel to the feed direction of the recording paper, based on the position in the amplitude direction of the rotation axis of the pen on the recording paper of the pen-writing recorder that causes arc distortion. A straight line portion (1) and an arc portion I (2) in which a scale line having a specific scale is attached to an arc having the same radius as the turning radius of the pen.
And a transparent substrate I having a recording paper position display section (3) showing the distance in the amplitude direction from the rotation axis of the pen to the upper and lower ends of the recording paper.
(4) and a transparent substrate II (6) having the same arc portion II (5) as the arc portion I (2) of the transparent substrate I (4), and the transparent substrate II (6) is laminated on the transparent substrate I (4). Transparent substrate II
A device for measuring a trajectory having an arc distortion, characterized in that the values of the time element and the amplitude element which do not include the error of the arc distortion are read by moving (6) in the recording paper feeding direction by the slider (7). .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26557591A JPH0718715B2 (en) | 1991-07-11 | 1991-07-11 | Measuring instrument for locus with arc strain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26557591A JPH0718715B2 (en) | 1991-07-11 | 1991-07-11 | Measuring instrument for locus with arc strain |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0599701A JPH0599701A (en) | 1993-04-23 |
| JPH0718715B2 true JPH0718715B2 (en) | 1995-03-06 |
Family
ID=17419025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26557591A Expired - Fee Related JPH0718715B2 (en) | 1991-07-11 | 1991-07-11 | Measuring instrument for locus with arc strain |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0718715B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101507927B1 (en) * | 2013-08-06 | 2015-04-07 | 허회진 | Correction Scale for Printing |
| CN109341562B (en) * | 2018-12-03 | 2020-05-12 | 重庆工程职业技术学院 | Device for detecting transverse deformation of cement-based material |
-
1991
- 1991-07-11 JP JP26557591A patent/JPH0718715B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0599701A (en) | 1993-04-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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| LAPS | Cancellation because of no payment of annual fees |