JPH0429237U - - Google Patents
Info
- Publication number
- JPH0429237U JPH0429237U JP7016090U JP7016090U JPH0429237U JP H0429237 U JPH0429237 U JP H0429237U JP 7016090 U JP7016090 U JP 7016090U JP 7016090 U JP7016090 U JP 7016090U JP H0429237 U JPH0429237 U JP H0429237U
- Authority
- JP
- Japan
- Prior art keywords
- light emitting
- emitting element
- series circuit
- detection
- smoothing
- 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 4
- 238000009499 grossing Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Electronic Switches (AREA)
Description
第１図ないし第４図は本考案の第１実施例を示
し、第１図は投光器の回路図、第２図は検出用発
光素子及び動作表示用発光素子の電流波形図、第
３図は投光器の外観を示す斜視図、第４図は製造
ラインの設置例を示す斜視図である。第５図及び
第６図は夫々第２及び第３の実施例を示す要部の
回路図である。第７図ないし第９図は夫々異なる
従来技術を示す回路図である。
図面中、１２……検出用発光素子、１４……動
作表示用発光素子、１６……トランジスタ（スイ
ツチング素子）、１８……平滑コンデンサ（平滑
用蓄電素子）、１９……電流制限抵抗、２２……
電源である。
1 to 4 show a first embodiment of the present invention, FIG. 1 is a circuit diagram of a projector, FIG. 2 is a current waveform diagram of a light-emitting element for detection and a light-emitting element for indicating operation, and FIG. FIG. 4 is a perspective view showing the external appearance of the projector, and FIG. 4 is a perspective view showing an example of installation of a manufacturing line. FIG. 5 and FIG. 6 are circuit diagrams of main parts showing the second and third embodiments, respectively. FIGS. 7 to 9 are circuit diagrams showing different conventional techniques. In the drawings, 12... Light emitting element for detection, 14... Light emitting element for operation display, 16... Transistor (switching element), 18... Smoothing capacitor (smoothing power storage element), 19... Current limiting resistor, 22... …
It is a power source.
Claims (1)
スイツチング素子の直列回路を電流制限抵抗を介
して電源に接続すると共に、前記検出用発光素子
及びスイツチング素子の直列回路に平滑用蓄電素
子を並列接続してなるものにおいて、動作表示用
発光素子を、前記直列回路及び前記平滑用蓄電素
子の共通接続点と前記電源との間に位置するよう
に設けたことを特徴とする光電スイツチの投光回
路。 A series circuit of a light emitting element for detection and a switching element for controlling the lighting thereof is connected to a power source via a current limiting resistor, and a power storage element for smoothing is connected in parallel to the series circuit of the light emitting element for detection and a switching element. 1. A light projection circuit for a photoelectric switch, characterized in that a light emitting element for displaying operation is provided between a common connection point of the series circuit and the smoothing power storage element and the power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7016090U JPH0429237U (en) | 1990-06-30 | 1990-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7016090U JPH0429237U (en) | 1990-06-30 | 1990-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0429237U true JPH0429237U (en) | 1992-03-09 |
Family
ID=31606087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7016090U Pending JPH0429237U (en) | 1990-06-30 | 1990-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0429237U (en) |
-
1990
- 1990-06-30 JP JP7016090U patent/JPH0429237U/ja active Pending
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