JPS60256014A - 光センサ装置 - Google Patents
光センサ装置Info
- Publication number
- JPS60256014A JPS60256014A JP60106227A JP10622785A JPS60256014A JP S60256014 A JPS60256014 A JP S60256014A JP 60106227 A JP60106227 A JP 60106227A JP 10622785 A JP10622785 A JP 10622785A JP S60256014 A JPS60256014 A JP S60256014A
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- light
- duty cycle
- amplifier
- sample
- 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
- 239000000835 fiber Substances 0.000 title description 10
- 239000003990 capacitor Substances 0.000 claims description 21
- 230000003287 optical effect Effects 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 230000005764 inhibitory process Effects 0.000 claims 1
- 238000005070 sampling Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 239000013307 optical fiber Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/35338—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using other arrangements than interferometer arrangements
- G01D5/35341—Sensor working in transmission
- G01D5/35345—Sensor working in transmission using Amplitude variations to detect the measured quantity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/20—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow
- G01F1/32—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow using swirl flowmeters
- G01F1/325—Means for detecting quantities used as proxy variables for swirl
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Electromagnetism (AREA)
- Amplifiers (AREA)
- Optical Transform (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Measurement Of Current Or Voltage (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US612284 | 1984-05-21 | ||
| US06/612,284 US4628197A (en) | 1984-05-21 | 1984-05-21 | Electronics for fiber optic vortex shedding flow meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60256014A true JPS60256014A (ja) | 1985-12-17 |
| JPH0512760B2 JPH0512760B2 (en]) | 1993-02-18 |
Family
ID=24452516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60106227A Granted JPS60256014A (ja) | 1984-05-21 | 1985-05-20 | 光センサ装置 |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4628197A (en]) |
| EP (1) | EP0165697B1 (en]) |
| JP (1) | JPS60256014A (en]) |
| KR (1) | KR900004882B1 (en]) |
| AU (1) | AU572294B2 (en]) |
| BR (1) | BR8501765A (en]) |
| CA (1) | CA1227356A (en]) |
| DE (1) | DE3566452D1 (en]) |
| ES (1) | ES8609702A1 (en]) |
| HK (1) | HK77189A (en]) |
| IN (1) | IN162597B (en]) |
| MX (1) | MX162204A (en]) |
| SG (1) | SG46889G (en]) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62170818A (ja) * | 1986-01-21 | 1987-07-27 | エルサグ・インターナショナル・ビー・ブイ | フアイバオプチツク渦発生流量計のための可変パルスレ−ト発光ダイオ−ド電子回路装置 |
| JPS62218817A (ja) * | 1986-02-03 | 1987-09-26 | エルサグ・インターナショナル・ビー・ブイ | フアイバオプチツク渦発生流量計のための改善された２線式４〜２０ミリアンペア電子回路 |
| JPH02173524A (ja) * | 1988-11-07 | 1990-07-05 | Babcock & Wilcox Co:The | ファイバオプチック渦離脱流量計制御用ディジタル回路 |
| JP2018084462A (ja) * | 2016-11-22 | 2018-05-31 | 株式会社ミツトヨ | エンコーダ及び信号処理回路 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8713699D0 (en) * | 1987-06-11 | 1987-07-15 | British Telecomm | Optical receiver circuit |
| GB2238380A (en) * | 1989-11-23 | 1991-05-29 | Hughes Microelectronics Ltd | Vortex shedding flowmeter |
| CH687794A5 (de) * | 1994-04-07 | 1997-02-14 | Landis & Gyr Tech Innovat | Schaltungsanordnung zur Uebertragung von Impulsen. |
| DE19638912A1 (de) * | 1996-09-23 | 1998-03-26 | Teves Gmbh Alfred | Drehwinkelsensor mit CCD-Zeile und periodisch angesteuerter Lichtquelle |
| US6483104B1 (en) | 1996-09-23 | 2002-11-19 | Valeo Schalter Und Sensoren Gmbh | Rotational angle sensor using a CCD line with enhanced measuring precision |
| CN109294901A (zh) * | 2018-11-01 | 2019-02-01 | 福建省博凯科技有限公司 | 一段式热对流pcr仪及控制方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5698613A (en) * | 1980-01-11 | 1981-08-08 | Nissan Motor Co Ltd | Fuel control device |
| JPS5774615A (en) * | 1980-10-28 | 1982-05-10 | Yokogawa Hokushin Electric Corp | Optical fiber flowmeter |
| JPS603423U (ja) * | 1983-06-20 | 1985-01-11 | トキコ株式会社 | 流速・流量検出装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4011754A (en) * | 1976-06-07 | 1977-03-15 | International Standard Electric Corporation | Flowmeter |
| GB2093997B (en) * | 1981-03-03 | 1984-09-12 | Marconi Co Ltd | Flowmeter |
| SE426345B (sv) * | 1981-05-18 | 1982-12-27 | Asea Ab | Fiberoptiskt metdon for metning av fysikaliska och/eller kemiska storheter, baserat pa sensormaterial med en olinjer ljus in/ljus ut karakteristik |
| US4552026A (en) * | 1984-10-22 | 1985-11-12 | The Babcock & Wilcox Company | Sensor for a vortex shedding flowmeter |
| DE3534273A1 (de) * | 1985-09-26 | 1987-04-02 | Basf Ag | Verfahren zur herstellung von vinylamin-einheiten enthaltenden wasserloeslichen copolymerisaten und deren verwendung als nass- und trockenverfestigungsmittel fuer papier |
-
1984
- 1984-05-21 US US06/612,284 patent/US4628197A/en not_active Expired - Fee Related
-
1985
- 1985-02-22 CA CA000474958A patent/CA1227356A/en not_active Expired
- 1985-03-05 KR KR1019850001364A patent/KR900004882B1/ko not_active Expired
- 1985-03-12 ES ES541172A patent/ES8609702A1/es not_active Expired
- 1985-03-15 IN IN196/CAL/85A patent/IN162597B/en unknown
- 1985-04-10 BR BR8501765A patent/BR8501765A/pt not_active IP Right Cessation
- 1985-05-09 MX MX205256A patent/MX162204A/es unknown
- 1985-05-09 EP EP19850303292 patent/EP0165697B1/en not_active Expired
- 1985-05-09 DE DE8585303292T patent/DE3566452D1/de not_active Expired
- 1985-05-16 AU AU42570/85A patent/AU572294B2/en not_active Ceased
- 1985-05-20 JP JP60106227A patent/JPS60256014A/ja active Granted
-
1989
- 1989-07-31 SG SG46889A patent/SG46889G/en unknown
- 1989-09-28 HK HK771/89A patent/HK77189A/en not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5698613A (en) * | 1980-01-11 | 1981-08-08 | Nissan Motor Co Ltd | Fuel control device |
| JPS5774615A (en) * | 1980-10-28 | 1982-05-10 | Yokogawa Hokushin Electric Corp | Optical fiber flowmeter |
| JPS603423U (ja) * | 1983-06-20 | 1985-01-11 | トキコ株式会社 | 流速・流量検出装置 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62170818A (ja) * | 1986-01-21 | 1987-07-27 | エルサグ・インターナショナル・ビー・ブイ | フアイバオプチツク渦発生流量計のための可変パルスレ−ト発光ダイオ−ド電子回路装置 |
| JPS62218817A (ja) * | 1986-02-03 | 1987-09-26 | エルサグ・インターナショナル・ビー・ブイ | フアイバオプチツク渦発生流量計のための改善された２線式４〜２０ミリアンペア電子回路 |
| JPH02173524A (ja) * | 1988-11-07 | 1990-07-05 | Babcock & Wilcox Co:The | ファイバオプチック渦離脱流量計制御用ディジタル回路 |
| JP2018084462A (ja) * | 2016-11-22 | 2018-05-31 | 株式会社ミツトヨ | エンコーダ及び信号処理回路 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3566452D1 (en) | 1988-12-29 |
| EP0165697A1 (en) | 1985-12-27 |
| ES8609702A1 (es) | 1986-09-01 |
| MX162204A (es) | 1991-04-08 |
| SG46889G (en) | 1989-12-22 |
| IN162597B (en]) | 1988-06-18 |
| US4628197A (en) | 1986-12-09 |
| JPH0512760B2 (en]) | 1993-02-18 |
| CA1227356A (en) | 1987-09-29 |
| ES541172A0 (es) | 1986-09-01 |
| KR850008412A (ko) | 1985-12-16 |
| AU4257085A (en) | 1986-11-27 |
| KR900004882B1 (ko) | 1990-07-09 |
| BR8501765A (pt) | 1986-06-17 |
| HK77189A (en) | 1989-10-06 |
| EP0165697B1 (en) | 1988-11-23 |
| AU572294B2 (en) | 1988-05-05 |
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