JPH0311577B2 - - Google Patents
Info
- Publication number
- JPH0311577B2 JPH0311577B2 JP57169608A JP16960882A JPH0311577B2 JP H0311577 B2 JPH0311577 B2 JP H0311577B2 JP 57169608 A JP57169608 A JP 57169608A JP 16960882 A JP16960882 A JP 16960882A JP H0311577 B2 JPH0311577 B2 JP H0311577B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- light emitting
- elements
- optical switch
- microcomputer
- 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.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/78—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
- H03K17/795—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar transistors
- H03K17/7955—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar transistors using phototransistors
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Electronic Switches (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57169608A JPS5961226A (ja) | 1982-09-30 | 1982-09-30 | 光スイツチの故障判別装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57169608A JPS5961226A (ja) | 1982-09-30 | 1982-09-30 | 光スイツチの故障判別装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5961226A JPS5961226A (ja) | 1984-04-07 |
JPH0311577B2 true JPH0311577B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-02-18 |
Family
ID=15889648
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57169608A Granted JPS5961226A (ja) | 1982-09-30 | 1982-09-30 | 光スイツチの故障判別装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5961226A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5294029A (en) * | 1976-02-04 | 1977-08-08 | Hitachi Ltd | Monitoring method of optical detecting circuit |
JPS5327444A (en) * | 1976-08-26 | 1978-03-14 | Nippon Signal Co Ltd:The | Trouble shooting method and device for object detector |
JPS5829440B2 (ja) * | 1977-07-04 | 1983-06-22 | 株式会社小松製作所 | 光線式安全装置の故障検出装置 |
-
1982
- 1982-09-30 JP JP57169608A patent/JPS5961226A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5961226A (ja) | 1984-04-07 |