JPS53100294A - Smoke detector sensitivity tester - Google Patents
Smoke detector sensitivity testerInfo
- Publication number
- JPS53100294A JPS53100294A JP1521077A JP1521077A JPS53100294A JP S53100294 A JPS53100294 A JP S53100294A JP 1521077 A JP1521077 A JP 1521077A JP 1521077 A JP1521077 A JP 1521077A JP S53100294 A JPS53100294 A JP S53100294A
- Authority
- JP
- Japan
- Prior art keywords
- smoke detector
- detector sensitivity
- sensitivity tester
- defective
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/12—Checking intermittently signalling or alarm systems
- G08B29/14—Checking intermittently signalling or alarm systems checking the detection circuits
- G08B29/145—Checking intermittently signalling or alarm systems checking the detection circuits of fire detection circuits
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
- G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
- G08B17/113—Constructional details
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Fire-Detection Mechanisms (AREA)
Abstract
PURPOSE:To prevent the occurrence of judgement error of non-defective and defective owing to an illusion by providing a judgment circuit which judges the detection output of the object under test to be normal in its operation test and judging the non-defective output to be abnormal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1521077A JPS53100294A (en) | 1977-02-14 | 1977-02-14 | Smoke detector sensitivity tester |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1521077A JPS53100294A (en) | 1977-02-14 | 1977-02-14 | Smoke detector sensitivity tester |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53100294A true JPS53100294A (en) | 1978-09-01 |
JPS5715694B2 JPS5715694B2 (en) | 1982-04-01 |
Family
ID=11882498
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1521077A Granted JPS53100294A (en) | 1977-02-14 | 1977-02-14 | Smoke detector sensitivity tester |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53100294A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56100342A (en) * | 1980-01-14 | 1981-08-12 | Matsushita Electric Works Ltd | Photoelectric type smoke sensor |
JPS56135149U (en) * | 1980-03-14 | 1981-10-13 | ||
JPS58141847U (en) * | 1982-03-18 | 1983-09-24 | 株式会社チノ− | Detector calibration device |
JP2016146012A (en) * | 2015-02-06 | 2016-08-12 | ニッタン株式会社 | Photoelectric smoke detector and method for testing sensitivity of photoelectric smoke detector |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02106184A (en) * | 1988-10-14 | 1990-04-18 | Nichicon Corp | Protective circuit for power window actuator |
-
1977
- 1977-02-14 JP JP1521077A patent/JPS53100294A/en active Granted
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56100342A (en) * | 1980-01-14 | 1981-08-12 | Matsushita Electric Works Ltd | Photoelectric type smoke sensor |
JPS56135149U (en) * | 1980-03-14 | 1981-10-13 | ||
JPS6146447Y2 (en) * | 1980-03-14 | 1986-12-27 | ||
JPS58141847U (en) * | 1982-03-18 | 1983-09-24 | 株式会社チノ− | Detector calibration device |
JPS641629Y2 (en) * | 1982-03-18 | 1989-01-13 | ||
JP2016146012A (en) * | 2015-02-06 | 2016-08-12 | ニッタン株式会社 | Photoelectric smoke detector and method for testing sensitivity of photoelectric smoke detector |
Also Published As
Publication number | Publication date |
---|---|
JPS5715694B2 (en) | 1982-04-01 |
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