JPH0170107U - - Google Patents
Info
- Publication number
- JPH0170107U JPH0170107U JP1987165922U JP16592287U JPH0170107U JP H0170107 U JPH0170107 U JP H0170107U JP 1987165922 U JP1987165922 U JP 1987165922U JP 16592287 U JP16592287 U JP 16592287U JP H0170107 U JPH0170107 U JP H0170107U
- Authority
- JP
- Japan
- Prior art keywords
- light
- dimensional position
- receiving surface
- emitting element
- position detection
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 11
- 230000035945 sensitivity Effects 0.000 claims description 6
- 230000003595 spectral effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000000295 emission spectrum Methods 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Optical Transform (AREA)
Description
附図は本考案の実施例を示すもので、第１図お
よび第２図イ，ロは本考案に用いられる光学式位
置センサの基本的な一構成例図、第３図イ，ロは
シヤツタと１次元位置検出素子およびフオトイン
タラプタとの相対的位置関係を示す平面図と側面
図、第４図イ，ロ，ハはそれぞれ発光スペクトル
図、分光感度特性図および光学フイルタと１次元
位置検出素子とを組合わせたものの分光感度特性
図である。
１……光源、２……スリツト付きシヤツタ、３
……１次元位置検出素子、４……演算回路、５…
…シヤツタ、５ａ，５ｂ……スリツト、５ｃ……
帯域検出用スリツト、６……フオトインタラプタ
、７……光学フイルタ。
The attached figures show examples of the present invention. Figures 1 and 2 (a) and (b) are diagrams showing an example of the basic configuration of the optical position sensor used in the present invention, and Figures (3) and (b) are illustrations of the shutter and A plan view and a side view showing the relative positional relationship between the one-dimensional position detecting element and the photointerrupter, and Figure 4 A, B, and C respectively show an emission spectrum diagram, a spectral sensitivity characteristic diagram, and the relationship between the optical filter and the one-dimensional position detecting element. It is a spectral sensitivity characteristic diagram of a combination of. 1...Light source, 2...Shutter with slit, 3
...One-dimensional position detection element, 4... Arithmetic circuit, 5...
...Shutter, 5a, 5b...Slit, 5c...
Band detection slit, 6...photo interrupter, 7...optical filter.
Claims (1)
れる入射光位置を検出できる１次元位置検出素子
と、該１次元位置検出素子の所定長さの受光面の
全面にわたりほぼ平行な光線を照射できる光源と
、発光素子と受光素子とを対向させて一体に形成
したフオトインタラプタと、上記光源と１次元位
置検出素子の受光面との間に位置し光源からの光
線のうち一部を透過させるスリツトおよびフオト
インタラプタの発光素子と受光素子との間に位置
し該発光素子からの光線を透過させる透過穴を設
けたシヤツタとからなり、上記光源と１次元位置
検出素子とフオトインタラプタとを組合わせたも
のおよびシヤツタを相対移動する２部材にそれぞ
れ取付けた光学式位置センサにおいて、上記１次
元位置検出素子の受光波長感度帯域とフオトイン
タラプタの発光素子の発光波長帯域との重なり部
をなくする手段を設けたことを特徴とする光学式
位置センサ。 (2) １次元位置検出素子の受光波長感度帯域と
フオトインタラプタの発光素子の発光波長帯域と
の重なり部をなくする手段は、１次元位置検出素
子の表面に設けられた光学フイルタである実用新
案登録請求の範囲第１項に記載の光学式位置セン
サ。 (3) １次元位置検出素子の受光波長感度帯域と
フオトインタラプタの発光素子の発光波長帯域と
の重なり部をなくする手段は、フオトインタラプ
タの発光素子の発光波長帯域を検出しない分光感
度特性の受光素子にて構成した１次元位置検出素
子である実用新案登録請求の範囲第１項に記載の
光学式位置センサ。 (4) シヤツタに設けられたスリツトは、該シヤ
ツタの相対的移動方向に対しほぼ直交するように
配置された１次元位置検出素子の受光面に対し、
上記シヤツタの相対的移動に伴ない該受光面の一
端部から他端部にかけて繰り返し対向位置するよ
う上記移動方向に対し斜めに配置された複数の帯
域を有し、シヤツタに設けられた透過穴は、上記
１次元位置検出素子の受光面がシヤツタに設けら
れているスリツトの複数の帯域のうちいずれの帯
域に対向位置しているかをフオトインタラプタの
発光素子からの光線の透過或は遮断により検出す
る帯域検出用スリツトである実用新案登録請求の
範囲第１項乃至第３項のいずれかに記載の光学式
位置センサ。 (5) 透過穴は、シヤツタに設けられたスリツト
が１次元位置検出素子の受光面の所定点と対向位
置しているときフオトインタラプタの発光素子か
らの光線を透過させる参照穴である実用新案登録
請求の範囲第１項乃至第３項のいずれかに記載の
光学式位置センサ。[Claims for Utility Model Registration] (1) A one-dimensional position detection element having a light-receiving surface of a predetermined length and capable of detecting the position of incident light incident on the light-receiving surface, and a predetermined length of the one-dimensional position detection element. a light source capable of emitting substantially parallel light beams over the entire surface of the light-receiving surface; a photo interrupter integrally formed with a light-emitting element and a light-receiving element facing each other; and a photo-interrupter located between the light source and the light-receiving surface of the one-dimensional position detection element. a shutter that is located between the light emitting element and the light receiving element of the photointerrupter and has a transmission hole that allows the light ray from the light emitting element to pass through; In an optical position sensor that is a combination of a one-dimensional position detecting element and a photointerrupter, and an optical position sensor that is attached to two members that move the shutter relative to each other, the light receiving wavelength sensitivity band of the one-dimensional position detecting element and that of the light emitting element of the photo interrupter are An optical position sensor characterized by having a means for eliminating an overlapping portion with a light emission wavelength band. (2) The means for eliminating the overlap between the light reception wavelength sensitivity band of the one-dimensional position detection element and the emission wavelength band of the light emitting element of the photointerrupter is a utility model in which an optical filter is provided on the surface of the one-dimensional position detection element. An optical position sensor according to claim 1. (3) The means to eliminate the overlap between the light reception wavelength sensitivity band of the one-dimensional position detection element and the light emission wavelength band of the light emitting element of the photointerrupter is to detect light with spectral sensitivity characteristics that do not detect the light emission wavelength band of the light emitting element of the photointerrupter. The optical position sensor according to claim 1, which is a one-dimensional position detection element composed of elements. (4) The slit provided in the shutter is placed on the light-receiving surface of the one-dimensional position detection element, which is arranged almost orthogonally to the direction of relative movement of the shutter.
The light-receiving surface has a plurality of bands arranged obliquely to the direction of movement so as to repeatedly face each other from one end to the other end of the light-receiving surface as the shutter moves relative to each other. , detecting in which band the light-receiving surface of the one-dimensional position detecting element is located facing each other among a plurality of bands of a slit provided in the shutter by transmitting or blocking the light beam from the light-emitting element of the photo interrupter. The optical position sensor according to any one of claims 1 to 3, which is a band detection slit. (5) The transmission hole is a reference hole that allows the light from the light emitting element of the photo interrupter to pass through when the slit provided in the shutter is positioned opposite to a predetermined point on the light receiving surface of the one-dimensional position detection element.Registered as a utility model. An optical position sensor according to any one of claims 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16592287U JPH0541365Y2 (en) | 1987-10-29 | 1987-10-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16592287U JPH0541365Y2 (en) | 1987-10-29 | 1987-10-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0170107U true JPH0170107U (en) | 1989-05-10 |
| JPH0541365Y2 JPH0541365Y2 (en) | 1993-10-20 |
Family
ID=31452845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16592287U Expired - Lifetime JPH0541365Y2 (en) | 1987-10-29 | 1987-10-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0541365Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014521099A (en) * | 2011-07-21 | 2014-08-25 | アーノルド ベルトラン | Digital mobile measuring device |
-
1987
- 1987-10-29 JP JP16592287U patent/JPH0541365Y2/ja not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014521099A (en) * | 2011-07-21 | 2014-08-25 | アーノルド ベルトラン | Digital mobile measuring device |
| US9518818B2 (en) | 2011-07-21 | 2016-12-13 | Bertrand Arnold | Digital movement measuring device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0541365Y2 (en) | 1993-10-20 |
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