JPH025009U - - Google Patents
Info
- Publication number
- JPH025009U JPH025009U JP8325688U JP8325688U JPH025009U JP H025009 U JPH025009 U JP H025009U JP 8325688 U JP8325688 U JP 8325688U JP 8325688 U JP8325688 U JP 8325688U JP H025009 U JPH025009 U JP H025009U
- Authority
- JP
- Japan
- Prior art keywords
- scale
- band
- scale band
- movement
- interval
- 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
- 230000003287 optical effect Effects 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図Ａ及びＢは、巻尺の縦断面及び平面図を
簡略にして示したものである。第２図は、光学的
手段による目盛帯の目盛線の読み取り及び読み取
り結果に基く信号処理経過を説明する為の概略図
である。
FIGS. 1A and 1B are simplified longitudinal cross-sectional and plan views of a tape measure. FIG. 2 is a schematic diagram for explaining reading of the graduation lines of the graduation band by optical means and the progress of signal processing based on the reading results.
Claims (1)
う巻尺において、目盛帯の取出し開口付近に目盛
帯の目盛の最小間隔を読取る光センサーを配置し
、目盛帯の動きが伸長方向であるか、縮小方向で
あるかを識別して、伸長方向であればカウント・
アツプの信号を発生させ、縮小方向であればカウ
ント・ダウンの信号を発生させ、目盛帯の測定長
さをデジタル表示するようにしたことを特徴とす
るもの。 (2) 登録請求の範囲第１項において、光センサ
ーには、波長の異なる単色レーザー光源を２個用
い、此の２個を、目盛帯の最小目盛の間隔を識別
し得る間隔を置いて目盛帯の移動方向に平行に配
置し、目盛帯の目盛線のセンシングが２個のセン
サーの何れの方から先に起こり、他へ続行したか
により、目盛帯の移動方向を識別するようにした
ことを特徴とするもの。 (3) 登録請求の範囲第１項において、デジタル
表示には、表示単位を変更して表示し得る演算機
能が付属していることを特徴とするもの。[Scope of Claim for Utility Model Registration] (1) In a tape measure whose length is measured by taking out the scale band from an opening, an optical sensor for reading the minimum interval between the scales of the scale band is arranged near the opening of the scale band, and the scale is Identify whether the movement of the band is in the elongation or contraction direction, and if it is in the elongation direction, count and
It is characterized by generating an up signal, generating a count down signal in the direction of reduction, and digitally displaying the measured length of the scale band. (2) In Paragraph 1 of the registered claim, the optical sensor uses two monochromatic laser light sources with different wavelengths, and the two are arranged on a scale with an interval that allows the minimum graduation interval of the graduation band to be identified. The sensor is arranged parallel to the direction of movement of the scale band, and the direction of movement of the scale band can be identified based on which of the two sensors senses the scale line of the scale band first and continues to the other. characterized by. (3) In the scope of registered claims, Paragraph 1, the digital display is characterized in that it is equipped with an arithmetic function that can display by changing the display unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8325688U JPH025009U (en) | 1988-06-23 | 1988-06-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8325688U JPH025009U (en) | 1988-06-23 | 1988-06-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH025009U true JPH025009U (en) | 1990-01-12 |
Family
ID=31307981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8325688U Pending JPH025009U (en) | 1988-06-23 | 1988-06-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH025009U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS498239U (en) * | 1972-04-20 | 1974-01-24 | ||
| JP2020106337A (en) * | 2018-12-26 | 2020-07-09 | 富士通コンポーネント株式会社 | Measurement instrument |
-
1988
- 1988-06-23 JP JP8325688U patent/JPH025009U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS498239U (en) * | 1972-04-20 | 1974-01-24 | ||
| JP2020106337A (en) * | 2018-12-26 | 2020-07-09 | 富士通コンポーネント株式会社 | Measurement instrument |
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