JPH03130626U - - Google Patents
Info
- Publication number
- JPH03130626U JPH03130626U JP3896990U JP3896990U JPH03130626U JP H03130626 U JPH03130626 U JP H03130626U JP 3896990 U JP3896990 U JP 3896990U JP 3896990 U JP3896990 U JP 3896990U JP H03130626 U JPH03130626 U JP H03130626U
- Authority
- JP
- Japan
- Prior art keywords
- optical axis
- light
- light receiving
- photoelectric switch
- blocking state
- 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
- 230000003287 optical effect Effects 0.000 claims description 4
- 230000035945 sensitivity Effects 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Switches Operated By Changes In Physical Conditions (AREA)
- Electronic Switches (AREA)
Description
第１図は、この考案の一実施例に係る多光軸光
電スイツチの回路構成を説明する図、第２図は、
同多光軸光電スイツチの投光ユニツトの一部を省
略して示す外観斜視図、第３図は、同多光軸光電
スイツチの受光ユニツトの一部を省略して示す外
観斜視図、第４図は、従来の多光軸光電スイツチ
を説明する斜視図である。
Ｌ１〜Ｌｎ……ＬＥＤ、Ｐ１〜Ｐｎ……ホトト
ランジスタ、Ａ１〜Ａｎ……光軸、ＶＲ１，ＶＲ
ｎ……可変抵抗器。
FIG. 1 is a diagram illustrating the circuit configuration of a multi-optical axis photoelectric switch according to an embodiment of this invention, and FIG.
FIG. 3 is an external perspective view with a part of the light emitting unit of the multi-optical axis photoelectric switch omitted, and FIG. The figure is a perspective view illustrating a conventional multi-optical axis photoelectric switch. L1 to Ln ...LED, P1 to Pn ...Phototransistor, A1 to An ...Optical axis, VR1 , VR
n ...variable resistor.
Claims (1)
素子のそれぞれに対応して設けられる受光素子と
、これら受光素子の受光信号より、投光素子とこ
れに対応する受光素子とを結ぶ各光軸の遮光状態
を順次検出する遮光状態検出手段とを備えてなる
多光軸光電スイツチにおいて、 前記光軸のうち、最端部に位置するものの感度
を調整する感度調整器を備えたことを特徴とする
多光軸光電スイツチ。[Scope of Claim for Utility Model Registration] A plurality of light emitting elements that sequentially emit light, a light receiving element provided corresponding to each of these light emitting elements, and light receiving signals of these light receiving elements, In a multi-optical axis photoelectric switch comprising a light-blocking state detection means for sequentially detecting the light-blocking state of each optical axis connecting a corresponding light receiving element, the sensitivity of the optical axis located at the end of the optical axis is adjusted. A multi-optical axis photoelectric switch featuring a sensitivity adjuster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990038969U JP2558525Y2 (en) | 1990-04-10 | 1990-04-10 | Multi-optical axis photoelectric switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990038969U JP2558525Y2 (en) | 1990-04-10 | 1990-04-10 | Multi-optical axis photoelectric switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03130626U true JPH03130626U (en) | 1991-12-27 |
| JP2558525Y2 JP2558525Y2 (en) | 1997-12-24 |
Family
ID=31547449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990038969U Expired - Lifetime JP2558525Y2 (en) | 1990-04-10 | 1990-04-10 | Multi-optical axis photoelectric switch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2558525Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61128626A (en) * | 1984-11-27 | 1986-06-16 | Mitsubishi Rayon Co Ltd | Multi-point type photoelectric switch circuit |
-
1990
- 1990-04-10 JP JP1990038969U patent/JP2558525Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61128626A (en) * | 1984-11-27 | 1986-06-16 | Mitsubishi Rayon Co Ltd | Multi-point type photoelectric switch circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2558525Y2 (en) | 1997-12-24 |