JPH0421906U - - Google Patents
Info
- Publication number
- JPH0421906U JPH0421906U JP6253690U JP6253690U JPH0421906U JP H0421906 U JPH0421906 U JP H0421906U JP 6253690 U JP6253690 U JP 6253690U JP 6253690 U JP6253690 U JP 6253690U JP H0421906 U JPH0421906 U JP H0421906U
- Authority
- JP
- Japan
- Prior art keywords
- optical measuring
- illumination
- light
- measured
- illumination means
- 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
- 238000005286 illumination Methods 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 8
- 239000004973 liquid crystal related substance Substances 0.000 claims description 5
- 230000001678 irradiating effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Instruments For Measurement Of Length By Optical Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
Description
第１図及び第２図は本考案に係る第１実施例の
全体構成を示す異なる測定状態の断面図、第３図
は第１実施例に用いられる第２液晶板のパターン
の一例を示す説明図、第４図は本考案に係る第２
実施例の要部を示す断面図である。
１０……光学式測定機、１８……制御手段、２
０……透過照明手段、２５，５１……反射照明手
段としてのリングライト、３１……第１液晶板、
３６，５３……第２液晶板、４０……受光手段、
５２……光屈折手段としての非球面レンズ。
1 and 2 are cross-sectional views showing the overall configuration of the first embodiment of the present invention in different measurement states, and FIG. 3 is an explanation showing an example of the pattern of the second liquid crystal plate used in the first embodiment. Figure 4 is the second diagram related to the present invention.
FIG. 3 is a cross-sectional view showing the main parts of the embodiment. 10... Optical measuring device, 18... Control means, 2
0... Transmitted illumination means, 25, 51... Ring light as reflected illumination means, 31... First liquid crystal plate,
36, 53...second liquid crystal plate, 40...light receiving means,
52...Aspherical lens as a light refraction means.
Claims (1)
に照射することにより、その寸法、形状等を測定
する光学式測定機において、前記照明手段と被測
定物との間の光路中に、所定のパターンを形成さ
れた液晶板を設けることを特徴とする光学式測定
機。 (2) 照明手段から出力される照明光を被測定物
に照射することにより、その寸法、形状等を測定
する光学式測定機において、前記照明手段と被測
定物との間の光路中に、入射光を複数の異なる方
向の出射光とする光屈折手段と、液晶板とを設け
ることを特徴とする光学式測定機。 (3) 請求項２記載の光学式測定機において、光
屈折手段は、非球面レンズであることを特徴とす
る光学式測定機。[Claims for Utility Model Registration] (1) In an optical measuring machine that measures the dimensions, shape, etc. of an object by irradiating the object with illumination light output from an illumination means, the illumination means and the object to be measured. An optical measuring instrument characterized in that a liquid crystal plate on which a predetermined pattern is formed is provided in an optical path between the two. (2) In an optical measuring machine that measures the dimensions, shape, etc. of an object to be measured by irradiating the object with illumination light output from an illumination means, in the optical path between the illumination means and the object to be measured, An optical measuring instrument characterized by being provided with a light refracting means for converting incident light into emitted light in a plurality of different directions, and a liquid crystal plate. (3) The optical measuring instrument according to claim 2, wherein the light refracting means is an aspherical lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6253690U JPH0421906U (en) | 1990-06-12 | 1990-06-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6253690U JPH0421906U (en) | 1990-06-12 | 1990-06-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0421906U true JPH0421906U (en) | 1992-02-24 |
Family
ID=31591776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6253690U Pending JPH0421906U (en) | 1990-06-12 | 1990-06-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0421906U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60232525A (en) * | 1984-05-02 | 1985-11-19 | Olympus Optical Co Ltd | Lighting optical system for endoscope |
| JPS635247A (en) * | 1986-06-25 | 1988-01-11 | Matsushita Electric Ind Co Ltd | Illuminator for automatically inspecting appearance |
-
1990
- 1990-06-12 JP JP6253690U patent/JPH0421906U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60232525A (en) * | 1984-05-02 | 1985-11-19 | Olympus Optical Co Ltd | Lighting optical system for endoscope |
| JPS635247A (en) * | 1986-06-25 | 1988-01-11 | Matsushita Electric Ind Co Ltd | Illuminator for automatically inspecting appearance |
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