PH25938A - Comb filter pressure temperature sensing system - Google Patents

Comb filter pressure temperature sensing system

Info

Publication number: PH25938A
Authority: PH; Philippines
Prior art keywords: temperature sensing; sensing system; comb filter; pressure temperature; filter pressure
Prior art date: 1988-02-24

Application number

PH38210A

Other languages

English (en)

Inventor

Elvin E Herman

Bart E Likes

Original Assignee

Hughes Aircraft Co

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.)

1988-02-24

Filing date

1989-02-16

Publication date

1991-12-19

1989-02-16 Application filed by Hughes Aircraft Co filed Critical Hughes Aircraft Co

1991-12-19 Publication of PH25938A publication Critical patent/PH25938A/en

Links

Classifications

- 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
- G01D5/35303—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 a reference fibre, e.g. interferometric devices

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Measuring Fluid Pressure (AREA)
Investigating Or Analysing Materials By Optical Means (AREA)
Measuring Temperature Or Quantity Of Heat (AREA)
Instruments For Measurement Of Length By Optical Means (AREA)
Optical Transform (AREA)
Spectrometry And Color Measurement (AREA)

PH38210A 1988-02-24 1989-02-16 Comb filter pressure temperature sensing system PH25938A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US07/159,816 US4859844A (en)	1988-02-24	1988-02-24	Comb filter pressure/temperature sensing system

Publications (1)

Publication Number	Publication Date
PH25938A true PH25938A (en)	1991-12-19

Family

ID=22574174

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
PH38210A PH25938A (en)	1988-02-24	1989-02-16	Comb filter pressure temperature sensing system

Country Status (15)

Country	Link
US (1)	US4859844A (ja)
EP (1)	EP0364556B1 (ja)
JP (1)	JPH0726802B2 (ja)
AU (1)	AU606798B2 (ja)
BR (1)	BR8905703A (ja)
CA (1)	CA1292777C (ja)
DE (1)	DE68919406T2 (ja)
DK (1)	DK518789D0 (ja)
EG (1)	EG18856A (ja)
ES (1)	ES2010139A6 (ja)
GR (1)	GR1000329B (ja)
IL (1)	IL89157A (ja)
MX (1)	MX166654B (ja)
PH (1)	PH25938A (ja)
WO (1)	WO1989008238A1 (ja)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH04274724A (ja) *	1991-03-02	1992-09-30	Fujikura Ltd	Ｏｔｄｒ装置
US5113070A (en) *	1991-03-29	1992-05-12	Abb Vetco Gray Inc.	Temperature compensator for an optic fiber pressure transducer
US5315110A (en) *	1993-06-29	1994-05-24	Abb Vetco Gray Inc.	Metal cup pressure transducer with a support having a plurality of thermal expansion coefficients
GB9314487D0 (en) *	1993-07-12	1993-08-25	Secr Defence	Sensor system
US5418464A (en) *	1993-07-26	1995-05-23	John Fluke Mfg. Co., Inc.	Thermocouple open circuit detection with tone frequency signal application and spectral analysis
US6016702A (en) *	1997-09-08	2000-01-25	Cidra Corporation	High sensitivity fiber optic pressure sensor for use in harsh environments
US7852468B2 (en) *	2007-12-14	2010-12-14	Baker Hughes Incorporated	Fiber optic refractometer
US7969571B2 (en) *	2009-01-15	2011-06-28	Baker Hughes Incorporated	Evanescent wave downhole fiber optic spectrometer
US9194973B2 (en)	2010-12-03	2015-11-24	Baker Hughes Incorporated	Self adaptive two dimensional filter for distributed sensing data
US9103736B2 (en)	2010-12-03	2015-08-11	Baker Hughes Incorporated	Modeling an interpretation of real time compaction modeling data from multi-section monitoring system
US9557239B2 (en)	2010-12-03	2017-01-31	Baker Hughes Incorporated	Determination of strain components for different deformation modes using a filter
US9605534B2 (en)	2013-11-13	2017-03-28	Baker Hughes Incorporated	Real-time flow injection monitoring using distributed Bragg grating

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3668405A (en) *	1969-06-16	1972-06-06	Trw Inc	Optical system for identifying pulses
JPS5621004A (en) *	1979-07-30	1981-02-27	Toshiba Corp	Optical sensing system
SE8006827L (sv) *	1980-09-30	1982-03-31	Asea Ab	Fiberoptiskt metdon med kompensation for reflexioner i fiberoptiken och med mojlighet till samtidig metning av flera metstorheter
US4408123A (en) *	1981-02-02	1983-10-04	Siemens Corporation	Fiber optical sensor device for measuring a physical parameter
FR2516232B1 (fr) *	1981-11-09	1986-02-21	Thomson Csf	Interferometre de type michelson a miroir photorefractif
JPS5957922A (ja) *	1982-09-25	1984-04-03	Sony Corp	ガラス製品の製造方法
US4552457A (en) *	1983-02-01	1985-11-12	Giallorenzi Thomas G	Fiber optic interferometer using two wavelengths or variable wavelength
US4767210A (en) *	1983-02-24	1988-08-30	British Telecommunications Plc	Optical fibre interferometer
GB2136956B (en) *	1983-02-24	1986-04-30	British Telecomm	Optical fibre interferometers
US4668093A (en) *	1983-06-13	1987-05-26	Mcdonnell Douglas Corporation	Optical grating demodulator and sensor system
GB8320107D0 (en) *	1983-07-26	1983-08-24	Barr & Stroud Ltd	Optical monitoring apparatus
GB8332409D0 (en) *	1983-12-05	1984-01-11	Gen Electric Co Plc	Fibre optic sensors
JPS6138505A (ja) *	1984-07-31	1986-02-24	Yamatake Honeywell Co Ltd	光学式計測装置
JPS6182113A (ja) *	1984-09-29	1986-04-25	Satoru Toyooka	光学的微小変位測定方法
JPS61246607A (ja) *	1985-04-25	1986-11-01	Toray Ind Inc	膜厚測定方法
FR2595820B1 (fr) *	1986-03-13	1990-01-05	Bertin & Cie	Dispositif a fibres optiques pour la detection a distance d'une grandeur physique, en particulier de la temperature
DE3623265C2 (de) *	1986-07-10	1994-11-03	Siemens Ag	Verfahren und Anordnung zur faseroptischen Messung einer Weglänge oder einer Weglängenänderung
GB8625471D0 (en) *	1986-10-24	1986-11-26	Bicc Plc	Displacement detection

1988
- 1988-02-24 US US07/159,816 patent/US4859844A/en not_active Expired - Fee Related
1989
- 1989-01-20 WO PCT/US1989/000230 patent/WO1989008238A1/en not_active Ceased
- 1989-01-20 DE DE68919406T patent/DE68919406T2/de not_active Expired - Fee Related
- 1989-01-20 BR BR898905703A patent/BR8905703A/pt not_active IP Right Cessation
- 1989-01-20 JP JP1503655A patent/JPH0726802B2/ja not_active Expired - Lifetime
- 1989-01-20 EP EP89904331A patent/EP0364556B1/en not_active Expired - Lifetime
- 1989-01-20 AU AU33439/89A patent/AU606798B2/en not_active Ceased
- 1989-02-02 IL IL89157A patent/IL89157A/xx not_active IP Right Cessation
- 1989-02-16 PH PH38210A patent/PH25938A/en unknown
- 1989-02-22 EG EG8889A patent/EG18856A/xx active
- 1989-02-22 MX MX015018A patent/MX166654B/es unknown
- 1989-02-22 CA CA000591807A patent/CA1292777C/en not_active Expired - Fee Related
- 1989-02-23 ES ES8900658A patent/ES2010139A6/es not_active Expired
- 1989-02-23 GR GR890100113A patent/GR1000329B/el unknown
- 1989-10-19 DK DK518789A patent/DK518789D0/da not_active Application Discontinuation

Also Published As

Publication number	Publication date
JPH02503358A (ja)	1990-10-11
DK518789A (da)	1989-10-19
BR8905703A (pt)	1990-11-20
US4859844A (en)	1989-08-22
DK518789D0 (da)	1989-10-19
EP0364556A1 (en)	1990-04-25
DE68919406D1 (de)	1994-12-22
EG18856A (en)	1994-02-28
WO1989008238A1 (en)	1989-09-08
GR1000329B (el)	1992-06-25
AU3343989A (en)	1989-09-22
JPH0726802B2 (ja)	1995-03-29
ES2010139A6 (es)	1989-10-16
CA1292777C (en)	1991-12-03
AU606798B2 (en)	1991-02-14
IL89157A (en)	1993-04-04
EP0364556B1 (en)	1994-11-17
MX166654B (es)	1993-01-26
IL89157A0 (en)	1989-09-10
DE68919406T2 (de)	1995-03-30

Publication	Publication Date	Title
US4881176B1 (en)	1997-06-17	Filter analyzing system
GB2194633B (en)	1990-01-10	Temperature sensing system
GB2219221B (en)	1992-03-18	Filter element
AR244095A1 (es)	1993-10-29	Elemento de filtracion.
GB8628610D0 (en)	1987-01-07	Temperature sensing arrangement
EG18856A (en)	1994-02-28	Comb filter pressure / temperature sensing system
GB8701265D0 (en)	1987-02-25	Temperature sensing element
GB8707549D0 (en)	1987-05-07	Over temperature sensing system
EP0279865A4 (en)	1991-08-21	Temperature sensing element
GB2220588B (en)	1992-04-15	Filter element
GB2194052B (en)	1989-12-20	Pressure sensing system
GB8628611D0 (en)	1987-03-18	Temperature sensing arrangement
IL87640A0 (en)	1989-02-28	Infra-red sensing system
GB2217626B (en)	1992-05-06	Filter element
GB8603740D0 (en)	1986-03-19	Temperature sensing means
EP0347620A3 (en)	1990-03-21	Pressure filter
GB8823806D0 (en)	1988-11-16	Filter element
GB2219857B (en)	1992-08-12	Temperature sensors
GB2215052B (en)	1992-02-12	Temperature sensor
GB2237872B (en)	1993-06-02	Temperature sensor
HU896684D0 (en)	1990-02-28	Pressure sensing system
GB8627371D0 (en)	1986-12-17	Pressure sensing means
PL271274A1 (en)	1988-10-27	Temperature sensor
ZA899635B (en)	1991-08-28	Pressure sensor system
ZA877348B (en)	1988-05-25	Temperature sensing arrangement