JPH0134336B2 - - Google Patents
Info
- Publication number
- JPH0134336B2 JPH0134336B2 JP16522782A JP16522782A JPH0134336B2 JP H0134336 B2 JPH0134336 B2 JP H0134336B2 JP 16522782 A JP16522782 A JP 16522782A JP 16522782 A JP16522782 A JP 16522782A JP H0134336 B2 JPH0134336 B2 JP H0134336B2
- Authority
- JP
- Japan
- Prior art keywords
- gas
- infrared
- measurement signal
- measurement
- helmholtz resonator
- 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
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
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/37—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using pneumatic detection
-
- 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
- G01N21/59—Transmissivity
- G01N21/61—Non-dispersive gas analysers
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16522782A JPS5954950A (ja) | 1982-09-22 | 1982-09-22 | 赤外線検出器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16522782A JPS5954950A (ja) | 1982-09-22 | 1982-09-22 | 赤外線検出器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5954950A JPS5954950A (ja) | 1984-03-29 |
| JPH0134336B2 true JPH0134336B2 (enrdf_load_stackoverflow) | 1989-07-19 |
Family
ID=15808268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16522782A Granted JPS5954950A (ja) | 1982-09-22 | 1982-09-22 | 赤外線検出器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5954950A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12411116B2 (en) | 2022-02-02 | 2025-09-09 | Asahi Kasei Microdevices Corporation | Apparatus with gas detection function |
-
1982
- 1982-09-22 JP JP16522782A patent/JPS5954950A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5954950A (ja) | 1984-03-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4594004A (en) | Continuous particulate-measuring apparatus using an optoacoustic effect | |
| KR100809130B1 (ko) | 광음파 측정 장치 | |
| Goldan et al. | An acoustically resonant system for detection of low‐level infrared absorption in atmospheric pollutants | |
| CN107543783A (zh) | 一种基于声表面波的pm2.5检测器 | |
| JP6840134B2 (ja) | ノイズキャンセリング検出器 | |
| US8249811B2 (en) | Multi-sensor detectors | |
| CN106959171A (zh) | 基于超声波、激光吸收光谱技术的温湿度测量方法 | |
| US4055764A (en) | Optically selective, acoustically resonant gas detecting transducer | |
| MXPA04003765A (es) | Medicion ultrasonica del efecto doppler. | |
| JPH07501138A (ja) | 時間ゲート超音波センサおよび測定方法 | |
| JPH0134336B2 (enrdf_load_stackoverflow) | ||
| CN113267453B (zh) | 无源音叉共振增强的全光纤三气体探测光声光谱系统及其探测方法 | |
| JPH01131413A (ja) | 音響ジャイロメーター | |
| JPS623722Y2 (enrdf_load_stackoverflow) | ||
| WO1990010866A1 (en) | Acoustic detection apparatus | |
| EP2069723B1 (en) | Apparatus for attenuating acoustic waves propagating within a pipe wall | |
| RU2089859C1 (ru) | Способ определения физических параметров газожидкостных систем и устройство для его осуществления | |
| JPS628514Y2 (enrdf_load_stackoverflow) | ||
| JPS60218086A (ja) | 距離測定装置 | |
| SU1462182A1 (ru) | Способ измерени размера капель осадков | |
| EP1285276A2 (en) | Ultrasound speed measurement of temperature and pressure effects | |
| RU232122U1 (ru) | Резонансный дифференциальный оптико-акустический детектор | |
| SU1377622A1 (ru) | Способ определени температуры | |
| SU1480811A1 (ru) | Устройство дл измерени скорости кровотока | |
| JPS6067839A (ja) | 円筒振動式密度計 |