JPS6141774B2 - - Google Patents
Info
- Publication number
- JPS6141774B2 JPS6141774B2 JP1567380A JP1567380A JPS6141774B2 JP S6141774 B2 JPS6141774 B2 JP S6141774B2 JP 1567380 A JP1567380 A JP 1567380A JP 1567380 A JP1567380 A JP 1567380A JP S6141774 B2 JPS6141774 B2 JP S6141774B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- output
- delay element
- circuit
- comparison circuit
- 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
- 230000003287 optical effect Effects 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 12
- 238000010586 diagram Methods 0.000 description 5
- 244000145845 chattering Species 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Landscapes
- Emergency Alarm Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1567380A JPS56112338A (en) | 1980-02-12 | 1980-02-12 | Alarm device for forgetting of light turning-off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1567380A JPS56112338A (en) | 1980-02-12 | 1980-02-12 | Alarm device for forgetting of light turning-off |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56112338A JPS56112338A (en) | 1981-09-04 |
| JPS6141774B2 true JPS6141774B2 (enrdf_load_stackoverflow) | 1986-09-17 |
Family
ID=11895258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1567380A Granted JPS56112338A (en) | 1980-02-12 | 1980-02-12 | Alarm device for forgetting of light turning-off |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56112338A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5991597A (ja) * | 1982-11-18 | 1984-05-26 | ニツタン株式会社 | 異常警報装置 |
-
1980
- 1980-02-12 JP JP1567380A patent/JPS56112338A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56112338A (en) | 1981-09-04 |
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