GB9208507D0 - Improvements to optical sensors - Google Patents
Improvements to optical sensorsInfo
- Publication number
- GB9208507D0 GB9208507D0 GB929208507A GB9208507A GB9208507D0 GB 9208507 D0 GB9208507 D0 GB 9208507D0 GB 929208507 A GB929208507 A GB 929208507A GB 9208507 A GB9208507 A GB 9208507A GB 9208507 D0 GB9208507 D0 GB 9208507D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- optical sensors
- sensors
- optical
- 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
- 230000003287 optical effect Effects 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
-
- 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
- G01D5/35383—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 multiple sensor devices using multiplexing techniques
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Optical Communication System (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9208507A GB2256480B (en) | 1991-06-05 | 1992-04-16 | Improvements to optical sensors |
CA 2069580 CA2069580A1 (en) | 1991-06-05 | 1992-05-26 | Optical sensors |
FR9206794A FR2677462B1 (en) | 1991-06-05 | 1992-06-04 | REFLECTOMETRIC TYPE OPTICAL SENSOR. |
FR9700093A FR2741458B1 (en) | 1991-06-05 | 1997-01-08 | OPTICAL REFLECTOMETRIC SENSOR |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB919112107A GB9112107D0 (en) | 1991-06-05 | 1991-06-05 | Improvements to optical sensors |
GB9208507A GB2256480B (en) | 1991-06-05 | 1992-04-16 | Improvements to optical sensors |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9208507D0 true GB9208507D0 (en) | 1992-06-03 |
GB2256480A GB2256480A (en) | 1992-12-09 |
GB2256480B GB2256480B (en) | 1995-02-01 |
Family
ID=26299017
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9208507A Expired - Fee Related GB2256480B (en) | 1991-06-05 | 1992-04-16 | Improvements to optical sensors |
Country Status (3)
Country | Link |
---|---|
CA (1) | CA2069580A1 (en) |
FR (2) | FR2677462B1 (en) |
GB (1) | GB2256480B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2256480B (en) * | 1991-06-05 | 1995-02-01 | Marconi Gec Ltd | Improvements to optical sensors |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL6904621A (en) * | 1969-03-25 | 1970-09-29 | ||
DD201191B1 (en) * | 1981-09-24 | 1987-07-15 | Ilmenau Tech Hochschule | KIPPINVARIANT INTERFEROMETER WITH LEVELS MIRROR |
GB2126820B (en) * | 1982-07-17 | 1986-03-26 | Plessey Co Plc | An optical sensing system |
GB2127960B (en) * | 1982-09-29 | 1985-12-11 | British Aerospace | Ring laser gyroscope readout arrangements |
US4725143A (en) * | 1984-06-30 | 1988-02-16 | Kent Scientific And Industrial Projects Limited | Interferometric sensor |
US4653915A (en) * | 1985-04-12 | 1987-03-31 | The United States Of America As Represented By The Secretary Of The Navy | Method for reduction of polarization fading in interferometers |
GB2199713A (en) * | 1986-12-31 | 1988-07-13 | Stc Plc | Optical communication system |
GB2215549B (en) * | 1988-03-08 | 1992-02-12 | Stc Plc | Sensor |
GB2224566A (en) * | 1988-06-30 | 1990-05-09 | British Aerospace | An optical sensor for determining changes in a dimension and/or a temperature of an object |
US4932783A (en) * | 1989-07-21 | 1990-06-12 | United States Of America As Represented By The Secretary Of The Navy | Apparatus and method for minimizing polarization-induced signal fading in an interferometric fiber-optic sensor using input-polarization modulation |
GB2256480B (en) * | 1991-06-05 | 1995-02-01 | Marconi Gec Ltd | Improvements to optical sensors |
-
1992
- 1992-04-16 GB GB9208507A patent/GB2256480B/en not_active Expired - Fee Related
- 1992-05-26 CA CA 2069580 patent/CA2069580A1/en not_active Abandoned
- 1992-06-04 FR FR9206794A patent/FR2677462B1/en not_active Expired - Fee Related
-
1997
- 1997-01-08 FR FR9700093A patent/FR2741458B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2677462B1 (en) | 1997-04-04 |
GB2256480A (en) | 1992-12-09 |
FR2741458B1 (en) | 1998-04-30 |
FR2741458A1 (en) | 1997-05-23 |
CA2069580A1 (en) | 1992-12-06 |
GB2256480B (en) | 1995-02-01 |
FR2677462A1 (en) | 1992-12-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19990416 |