JPH0463015U - - Google Patents
Info
- Publication number
- JPH0463015U JPH0463015U JP10548290U JP10548290U JPH0463015U JP H0463015 U JPH0463015 U JP H0463015U JP 10548290 U JP10548290 U JP 10548290U JP 10548290 U JP10548290 U JP 10548290U JP H0463015 U JPH0463015 U JP H0463015U
- Authority
- JP
- Japan
- Prior art keywords
- light
- light receiving
- signal
- receiving position
- optical distance
- 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 3
- 238000001514 detection method Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000012790 confirmation Methods 0.000 description 1
Landscapes
- Measurement Of Optical Distance (AREA)
Description
第１図は本考案の実施例１の説明図、第２図乃
至第５図は実施例２に関するもので、第２図はス
ポツト光受光位置説明図、第３図は信号処理・計
算回路のブロツク回路図、第４図ａ及びｂは夫々
ＣＣＤイメージセンサ信号及びこの信号から取り
出されたデータ信号の波形図、第５図はデイジタ
ル処理装置を用いた信号処理・計算回路のブロツ
ク回路図である。
１……発光素子、２……円筒レンズ、３……Ｃ
ＣＤイメージセンサ、４……ＣＣＤ信号処理回路
、５……ＡＤコンバータ、６……リミツタ手段、
７……信号連続確認手段、８……距離計算手段、
１０……デイジタル処理装置。
Fig. 1 is an explanatory diagram of the first embodiment of the present invention, Figs. 2 to 5 are related to the second embodiment, Fig. 2 is an explanatory diagram of the spot light receiving position, and Fig. 3 is an illustration of the signal processing/calculation circuit. Figures 4a and 4b are waveform diagrams of a CCD image sensor signal and a data signal extracted from these signals, respectively, and Figure 5 is a block circuit diagram of a signal processing/calculating circuit using a digital processing device. . 1...Light emitting element, 2...Cylindrical lens, 3...C
CD image sensor, 4... CCD signal processing circuit, 5... AD converter, 6... Limiter means,
7... Signal continuity confirmation means, 8... Distance calculation means,
10...Digital processing device.
Claims (1)
定の基準位置の側方に設けられ物体からの反射光
を集光する円筒レンズと、円筒レンズにより集光
されたスポツト光を受けるＣＣＤイメージセンサ
とからなることを特徴とした光学式距離センサ。 (2) ＣＣＤイメージセンサの受光データ中の所
定レベル以上のデータがある部分の信号を得るＣ
ＣＤ信号処理回路と、この回路の信号の最初の受
光位置から最後の受光位置まで連続していること
を確認する信号連続検出手段と、この検出手段に
より信号連続の確認を前提に前記信号の最初の受
光位置と最後の受光位置の平均を取り受光スポツ
トのセンタを検出するセンタ検出手段を設けたこ
とを特徴とした請求項(1)記載の光学式距離セン
サ。 (3) 受光スポツトの幅を制限するリミツタ手段
を設けたことを特徴とした請求項(2)記載の光学
式距離センサ。[Scope of claim for utility model registration] (1) A light source that projects a light beam onto an object, a cylindrical lens provided on the side of a reference position for distance measurement that collects reflected light from the object, and a cylindrical lens that collects light reflected from the object. An optical distance sensor comprising a CCD image sensor that receives spot light. (2) Obtain the signal of the portion of the light reception data of the CCD image sensor that has data above a predetermined level.
a CD signal processing circuit; a signal continuity detection means for confirming that the signal of this circuit is continuous from the first light receiving position to the last light receiving position; 2. The optical distance sensor according to claim 1, further comprising a center detecting means for detecting the center of the light receiving spot by taking an average of the last light receiving position and the last light receiving position. (3) The optical distance sensor according to claim (2), further comprising a limiter means for limiting the width of the light receiving spot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10548290U JPH0463015U (en) | 1990-10-05 | 1990-10-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10548290U JPH0463015U (en) | 1990-10-05 | 1990-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0463015U true JPH0463015U (en) | 1992-05-29 |
Family
ID=31851183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10548290U Pending JPH0463015U (en) | 1990-10-05 | 1990-10-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0463015U (en) |
-
1990
- 1990-10-05 JP JP10548290U patent/JPH0463015U/ja active Pending
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