JPH01104507U - - Google Patents
Info
- Publication number
- JPH01104507U JPH01104507U JP20039487U JP20039487U JPH01104507U JP H01104507 U JPH01104507 U JP H01104507U JP 20039487 U JP20039487 U JP 20039487U JP 20039487 U JP20039487 U JP 20039487U JP H01104507 U JPH01104507 U JP H01104507U
- Authority
- JP
- Japan
- Prior art keywords
- light
- optical system
- measured
- light projection
- light source
- 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
- 238000001514 detection method Methods 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Measurement Of Optical Distance (AREA)
- Lenses (AREA)
Description
第１図はこの考案の実施例に係る光電変位計の
投光部の概略構成図で、第２図は従来の光電変位
計の概略構成図である。 ２…点状光源、３…投光用光学系、４…測定用
対象物体。
投光部の概略構成図で、第２図は従来の光電変位
計の概略構成図である。 ２…点状光源、３…投光用光学系、４…測定用
対象物体。
Claims (1)
- 半導体レーザ素子などの点状光源と該点状光源
からの出射光を絞り込んで投光ビームを形成して
なる投光用光学系を具備し、前記投光ビームを測
定対象物体に照射して該測定対象物体上に投光ス
ポツトを形成するようにしてなる光電検出機器の
投光装置において、前記投光用光学系を１個の非
球面レンズにて構成したことを特徴とする光電検
出機器の投光装置。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20039487U JPH01104507U (ja) | 1987-12-29 | 1987-12-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20039487U JPH01104507U (ja) | 1987-12-29 | 1987-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01104507U true JPH01104507U (ja) | 1989-07-14 |
Family
ID=31490801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20039487U Pending JPH01104507U (ja) | 1987-12-29 | 1987-12-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01104507U (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999006868A1 (fr) * | 1997-07-29 | 1999-02-11 | Newcreation Co., Ltd. | Procede de projection d'un rayonnement lumineux, procede d'inspection d'une surface, et appareil de realisation de ces procedes |
-
1987
- 1987-12-29 JP JP20039487U patent/JPH01104507U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999006868A1 (fr) * | 1997-07-29 | 1999-02-11 | Newcreation Co., Ltd. | Procede de projection d'un rayonnement lumineux, procede d'inspection d'une surface, et appareil de realisation de ces procedes |