JPH0368091U - - Google Patents
Info
- Publication number
- JPH0368091U JPH0368091U JP12862689U JP12862689U JPH0368091U JP H0368091 U JPH0368091 U JP H0368091U JP 12862689 U JP12862689 U JP 12862689U JP 12862689 U JP12862689 U JP 12862689U JP H0368091 U JPH0368091 U JP H0368091U
- Authority
- JP
- Japan
- Prior art keywords
- light
- signal
- distance
- level
- measuring device
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Optical Radar Systems And Details Thereof (AREA)
Description
第１図はこの考案の一実施例にかかる距離測定
装置の構成を示すブロツク図、第２図は距離と受
光信号レベルとの関係および汚れ検出の原理を示
す説明図、第３図は汚れ判断手順を示すフローチ
ヤート、第４図はこの考案の適用例を示す説明図
である。
３……距離測定装置、７……発光素子、８，１
１……受光素子、１３……距離換算回路、１４…
…整流回路、１５，１６……コンパレータ、１７
……ＣＰＵ。
Figure 1 is a block diagram showing the configuration of a distance measuring device according to an embodiment of this invention, Figure 2 is an explanatory diagram showing the relationship between distance and received light signal level and the principle of dirt detection, and Figure 3 is dirt determination. A flowchart showing the procedure, FIG. 4 is an explanatory diagram showing an example of application of this invention. 3...Distance measuring device, 7...Light emitting element, 8,1
1... Light receiving element, 13... Distance conversion circuit, 14...
... Rectifier circuit, 15, 16 ... Comparator, 17
...CPU.
Claims (1)
、対象物からの反射光を受光して受光信号を得る
受光部と、投光信号と受光信号とから対象物まで
の距離を算出する距離算出部とから成る距離測定
装置において 受光部による受光信号レベルを検出するレベル
検出手段と、 受光信号レベルを２段階の判別基準レベルと比
較する比較手段と、 比較手段による比較結果と前記距離算出部によ
る距離算出データとに基づき汚れ判別を行う汚れ
判別手段とを具備して成る距離測定装置。[Scope of Claim for Utility Model Registration] A light projector that projects light onto an object using a light projection signal, a light receiver that receives reflected light from the object and obtains a light reception signal, and a light projection signal and a light reception signal. A distance measuring device comprising: a distance calculation unit that calculates the distance to an object; a level detection unit that detects the level of a light signal received by the light receiving unit; a comparison unit that compares the level of the received light signal with a two-stage discrimination reference level; A distance measuring device comprising a dirt discriminating means for discriminating dirt based on a comparison result by the means and distance calculation data by the distance calculating section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12862689U JPH0368091U (en) | 1989-11-02 | 1989-11-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12862689U JPH0368091U (en) | 1989-11-02 | 1989-11-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0368091U true JPH0368091U (en) | 1991-07-03 |
Family
ID=31676321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12862689U Pending JPH0368091U (en) | 1989-11-02 | 1989-11-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0368091U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010041524A (en) * | 2008-08-06 | 2010-02-18 | Kyoto Univ | Large-sized imaging apparatus |
-
1989
- 1989-11-02 JP JP12862689U patent/JPH0368091U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010041524A (en) * | 2008-08-06 | 2010-02-18 | Kyoto Univ | Large-sized imaging apparatus |
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