JPH0119199B2 - - Google Patents
Info
- Publication number
- JPH0119199B2 JPH0119199B2 JP55155713A JP15571380A JPH0119199B2 JP H0119199 B2 JPH0119199 B2 JP H0119199B2 JP 55155713 A JP55155713 A JP 55155713A JP 15571380 A JP15571380 A JP 15571380A JP H0119199 B2 JPH0119199 B2 JP H0119199B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- section
- light receiving
- emitting element
- output
- 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
- 230000005856 abnormality Effects 0.000 claims description 55
- 239000000779 smoke Substances 0.000 claims description 44
- 239000002245 particle Substances 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
- Fire-Detection Mechanisms (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15571380A JPS5779597A (en) | 1980-10-31 | 1980-10-31 | Photoelectric smoke sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15571380A JPS5779597A (en) | 1980-10-31 | 1980-10-31 | Photoelectric smoke sensor |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5779597A JPS5779597A (en) | 1982-05-18 |
JPH0119199B2 true JPH0119199B2 (fr) | 1989-04-10 |
Family
ID=15611863
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15571380A Granted JPS5779597A (en) | 1980-10-31 | 1980-10-31 | Photoelectric smoke sensor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5779597A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03245296A (ja) * | 1990-02-23 | 1991-10-31 | Oki Denki Bosai Kk | 煙感知器の試験方法及び煙感知器 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5389484A (en) * | 1977-01-18 | 1978-08-07 | Toshiba Electric Equip | Photo detector |
JPS5432183B2 (fr) * | 1974-07-16 | 1979-10-12 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5643732Y2 (fr) * | 1977-08-05 | 1981-10-13 |
-
1980
- 1980-10-31 JP JP15571380A patent/JPS5779597A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5432183B2 (fr) * | 1974-07-16 | 1979-10-12 | ||
JPS5389484A (en) * | 1977-01-18 | 1978-08-07 | Toshiba Electric Equip | Photo detector |
Also Published As
Publication number | Publication date |
---|---|
JPS5779597A (en) | 1982-05-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4901056A (en) | Test initiation apparatus with continuous or pulse input | |
US3316410A (en) | Apparatus for detecting the presence of aerosols and the like in air | |
GB2214307A (en) | A unit with remote test initiation apparatus | |
AU2006251047B9 (en) | A flame detector and a method | |
JPS6325398B2 (fr) | ||
US4728794A (en) | Radiation sensing arrangements | |
US4232307A (en) | Electrical test circuit for optical particle detector | |
JPS58500039A (ja) | 閉じる引戸の通路にある物体を検出する方法及び装置 | |
JPS5884387A (ja) | 火災検知装置 | |
JPH0850094A (ja) | 光電煙検出器用感度試験システム | |
NO159424B (no) | Fotoelektrisk roekdetektor. | |
JPH0119199B2 (fr) | ||
US3968379A (en) | Photocell smoke detector | |
US5617077A (en) | Testable photoelectric detector | |
EP0113461B1 (fr) | Moyens fonctionnels de test pour un détecteur de fumée du type à dispersion de lumière | |
JPH11509341A (ja) | 光電式煙感知器の改良 | |
CN105190718A (zh) | 火灾报警器 | |
JPH04131758U (ja) | 光学的汚れを検出するための検査装置 | |
JPH06341650A (ja) | 電気ストーブ | |
JPH063512Y2 (ja) | 火災感知器用試験装置 | |
JPS63204188A (ja) | 遠赤外線感知装置及びそれを用いた遠赤外線侵入者検知装置 | |
JPS6316000Y2 (fr) | ||
JPS59210347A (ja) | 散乱光式煙感知器の機能試験装置 | |
JPS5924479B2 (ja) | 光電式煙感知器 | |
JPS6343591Y2 (fr) |