JPH0124257B2 - - Google Patents

Info

Publication number
JPH0124257B2
JPH0124257B2 JP16803781A JP16803781A JPH0124257B2 JP H0124257 B2 JPH0124257 B2 JP H0124257B2 JP 16803781 A JP16803781 A JP 16803781A JP 16803781 A JP16803781 A JP 16803781A JP H0124257 B2 JPH0124257 B2 JP H0124257B2
Authority
JP
Japan
Prior art keywords
light
soot
emitted
band amplifier
transmittance meter
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
Application number
JP16803781A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5870145A (ja
Inventor
Masayoshi Sakamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP16803781A priority Critical patent/JPS5870145A/ja
Publication of JPS5870145A publication Critical patent/JPS5870145A/ja
Publication of JPH0124257B2 publication Critical patent/JPH0124257B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • G01N21/534—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke by measuring transmission alone, i.e. determining opacity

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP16803781A 1981-10-21 1981-10-21 媒煙透過率計 Granted JPS5870145A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16803781A JPS5870145A (ja) 1981-10-21 1981-10-21 媒煙透過率計

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16803781A JPS5870145A (ja) 1981-10-21 1981-10-21 媒煙透過率計

Publications (2)

Publication Number Publication Date
JPS5870145A JPS5870145A (ja) 1983-04-26
JPH0124257B2 true JPH0124257B2 (enrdf_load_stackoverflow) 1989-05-10

Family

ID=15860643

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16803781A Granted JPS5870145A (ja) 1981-10-21 1981-10-21 媒煙透過率計

Country Status (1)

Country Link
JP (1) JPS5870145A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02247545A (ja) * 1989-03-20 1990-10-03 Matsushita Electric Ind Co Ltd 煙霧透過率測定装置
JPH02247544A (ja) * 1989-03-20 1990-10-03 Matsushita Electric Ind Co Ltd 煙霧透過率測定装置

Also Published As

Publication number Publication date
JPS5870145A (ja) 1983-04-26

Similar Documents

Publication Publication Date Title
CA1086522A (en) Comparison type colorimeter
CA2100063A1 (en) Apparatus and method for measuring a blood parameter
US4937461A (en) Transmissometer having solid state light source
US4119949A (en) Fire detector utilizing two bandwidths of radiation
FR2395664A1 (fr) Dispositif de surveillance du fonctionnement correct de lampes, en particulier dans des vehicules automobiles
JPH0124257B2 (enrdf_load_stackoverflow)
KR900702342A (ko) 구강내 치아로부터 본래의 장소에 비색 데이터를 모으는 장치
JP3168455B2 (ja) 照明ライトの高速度明暗判別測定装置
JP2829941B2 (ja) 光空間伝送装置
JPH0571957A (ja) アクテイブ測距装置
JPH1073538A (ja) 路面状態検出方法及びその装置
JP2875145B2 (ja) リモコンシステム
SU792109A1 (ru) Устройство дл определени интенсивности тумана по обратному светорассе нию
JPS59116037A (ja) 煙霧透過率測定装置
SU673895A1 (ru) Нефелометр
CN101400988A (zh) 光学透射计以及用于这种光学透射计的光源和光检测器
JP3765559B2 (ja) 火災検知器
JPH05135281A (ja) 多点スポツト式エリア監視装置
JPH01289328A (ja) 光信号用受信装置
JP3006080B2 (ja) 煙霧透過率測定装置
JPS6218028B2 (enrdf_load_stackoverflow)
SU672502A2 (ru) Устройство дл измерени параметров вибраций
JPS5920667Y2 (ja) 光分析装置
SU651375A1 (ru) Устройство дл измерени функции передачи контраста оптических систем
JPH0726870B2 (ja) 光幕輝度測定装置