JPH0452921Y2 - - Google Patents
Info
- Publication number
- JPH0452921Y2 JPH0452921Y2 JP1115387U JP1115387U JPH0452921Y2 JP H0452921 Y2 JPH0452921 Y2 JP H0452921Y2 JP 1115387 U JP1115387 U JP 1115387U JP 1115387 U JP1115387 U JP 1115387U JP H0452921 Y2 JPH0452921 Y2 JP H0452921Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- light emitting
- photoelectric detector
- detected
- groove
- 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
- 239000002184 metal Substances 0.000 claims description 23
- 230000003287 optical effect Effects 0.000 claims description 14
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000006378 damage Effects 0.000 description 11
- 238000001514 detection method Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 6
- 230000003068 static effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000006698 induction Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Landscapes
- Electronic Switches (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1115387U JPH0452921Y2 (zh) | 1987-01-27 | 1987-01-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1115387U JPH0452921Y2 (zh) | 1987-01-27 | 1987-01-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63120336U JPS63120336U (zh) | 1988-08-04 |
| JPH0452921Y2 true JPH0452921Y2 (zh) | 1992-12-11 |
Family
ID=30798109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1115387U Expired JPH0452921Y2 (zh) | 1987-01-27 | 1987-01-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0452921Y2 (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4500196B2 (ja) * | 2005-03-31 | 2010-07-14 | 株式会社Ｉｎａｘ | 人体検知装置 |
-
1987
- 1987-01-27 JP JP1115387U patent/JPH0452921Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63120336U (zh) | 1988-08-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1050608A (en) | Portable corona power supply circuit | |
| CN101512612A (zh) | 改进的光学粒子检测器 | |
| KR940011942A (ko) | 용융수지내의 불순물 탐지법 | |
| ES2103777T3 (es) | Detector de descargas electroestaticas. | |
| FR2400821A1 (fr) | Boitier emetteur-detecteur de rayonnement | |
| JPH0574180B2 (zh) | ||
| JPH0452921Y2 (zh) | ||
| ATE87399T1 (de) | Schaltkreis fuer ein photoempfindliches pixel mit einem belichteten blockierglied. | |
| US2920209A (en) | Photoelectric device | |
| US4309088A (en) | Film magazine having an identity mark for identifying sensitivity of the film and a camera therefor | |
| US3590321A (en) | Fire alarm device | |
| JP2013003654A (ja) | 光電式煙感知器 | |
| US4594512A (en) | Ionization type smoke detector | |
| CN201000664Y (zh) | 一种烟雾报警器 | |
| US4027154A (en) | Electronic document detector circuitry with feedback control | |
| JP3663172B2 (ja) | 光学式測距装置 | |
| US3718919A (en) | Ionization smoke detector | |
| DK0395945T3 (da) | Ioniseringskammer | |
| JP2003243716A (ja) | 光源部品 | |
| 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 | |
| JPH05205172A (ja) | 光電式煙感知器 | |
| JP3284325B2 (ja) | カメラ用測距装置 | |
| JPS5479695A (en) | Leak oil detecting apparatus | |
| JPS5918912A (ja) | 測距装置 | |
| KR200217139Y1 (ko) | 적외발광소자2차광제거장치 |