JPS622486B2 - - Google Patents
Info
- Publication number
- JPS622486B2 JPS622486B2 JP55167091A JP16709180A JPS622486B2 JP S622486 B2 JPS622486 B2 JP S622486B2 JP 55167091 A JP55167091 A JP 55167091A JP 16709180 A JP16709180 A JP 16709180A JP S622486 B2 JPS622486 B2 JP S622486B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- receiving element
- circuit
- case
- infrared rays
- 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
Links
Landscapes
- Geophysics And Detection Of Objects (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
- Electronic Switches (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55167091A JPS5790831A (en) | 1980-11-26 | 1980-11-26 | Photoelectric switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55167091A JPS5790831A (en) | 1980-11-26 | 1980-11-26 | Photoelectric switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5790831A JPS5790831A (en) | 1982-06-05 |
| JPS622486B2 true JPS622486B2 (enrdf_load_stackoverflow) | 1987-01-20 |
Family
ID=15843248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55167091A Granted JPS5790831A (en) | 1980-11-26 | 1980-11-26 | Photoelectric switch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5790831A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04345723A (ja) * | 1991-05-22 | 1992-12-01 | Fuji Electric Co Ltd | 光電スイッチ |
| JPH0656944U (ja) * | 1993-11-02 | 1994-08-05 | オムロン株式会社 | 反射形光電スイッチ |
| JP2002084177A (ja) * | 2000-09-06 | 2002-03-22 | Aiphone Co Ltd | 光学式近接センサー装置 |
-
1980
- 1980-11-26 JP JP55167091A patent/JPS5790831A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5790831A (en) | 1982-06-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6693271B2 (en) | Obstacle detection sensor using synchronous detection | |
| US5004908A (en) | Reflection type photoelectric switch for detecting the presence of an object | |
| SE447849B (sv) | Anordning for avsokning av en materialbana | |
| EP0539203B1 (en) | Exhaust gas particle sensor | |
| US5900960A (en) | Circuit arrangement for receiving light signals | |
| JPS622486B2 (enrdf_load_stackoverflow) | ||
| KR910000271B1 (ko) | 화재 감지장치 | |
| US3411005A (en) | Compact infrared detector systems with regulated power supply | |
| US4156816A (en) | Optical fire-detector | |
| US20190204442A1 (en) | Detection assembly, cleaning robot and method and system for detecting walking condition thereof | |
| US5691700A (en) | Apparatus and method using non-contact light sensing with selective field of view, low input impedance, current-mode amplification and/or adjustable switching level | |
| JPH11304922A (ja) | 物体検知装置 | |
| GB2111193A (en) | Method and apparatus for assessing the quality of cement clinker | |
| JPS638538A (ja) | 煙感知器 | |
| GB2090970A (en) | Temperature compensation in optical smoke detectors | |
| JP2706669B2 (ja) | 赤外線検出装置 | |
| JPH03140739A (ja) | ガス・粉塵検出装置を備えた空気調和機 | |
| US12270760B2 (en) | Masking to eliminate direct line of sight between light emitter and light receiver in a smoke detector | |
| JPS6358024A (ja) | 電子レンジ | |
| JPS5866810A (ja) | 自動車の障害物検出装置 | |
| JP2642964B2 (ja) | 赤外線検出装置 | |
| JPH05299999A (ja) | 受光回路 | |
| JPS6046376B2 (ja) | センサ− | |
| JP3467243B2 (ja) | 光電式煙感知器 | |
| JPH03146825A (ja) | 界面検出装置 |