GB2339016B - All optical sensors with direct digital response - Google Patents

All optical sensors with direct digital response

Info

Publication number
GB2339016B
GB2339016B GB8317960A GB8317960A GB2339016B GB 2339016 B GB2339016 B GB 2339016B GB 8317960 A GB8317960 A GB 8317960A GB 8317960 A GB8317960 A GB 8317960A GB 2339016 B GB2339016 B GB 2339016B
Authority
GB
United Kingdom
Prior art keywords
optical sensors
direct digital
digital response
response
direct
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 - Fee Related
Application number
GB8317960A
Other versions
GB2339016A (en
GB8317960D0 (en
Inventor
John Stuart Heeks
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.)
STC PLC
Nortel Networks Optical Components Ltd
Nortel Ltd
Original Assignee
Northern Telecom Europe Ltd
Standard Telephone and Cables PLC
Nortel 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 Northern Telecom Europe Ltd, Standard Telephone and Cables PLC, Nortel Ltd filed Critical Northern Telecom Europe Ltd
Priority to GB8317960A priority Critical patent/GB2339016B/en
Publication of GB8317960D0 publication Critical patent/GB8317960D0/en
Publication of GB2339016A publication Critical patent/GB2339016A/en
Application granted granted Critical
Publication of GB2339016B publication Critical patent/GB2339016B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G01D5/35383—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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
GB8317960A 1983-07-01 1983-07-01 All optical sensors with direct digital response Expired - Fee Related GB2339016B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8317960A GB2339016B (en) 1983-07-01 1983-07-01 All optical sensors with direct digital response

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8317960A GB2339016B (en) 1983-07-01 1983-07-01 All optical sensors with direct digital response

Publications (3)

Publication Number Publication Date
GB8317960D0 GB8317960D0 (en) 1999-05-26
GB2339016A GB2339016A (en) 2000-01-12
GB2339016B true GB2339016B (en) 2000-05-10

Family

ID=10545139

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8317960A Expired - Fee Related GB2339016B (en) 1983-07-01 1983-07-01 All optical sensors with direct digital response

Country Status (1)

Country Link
GB (1) GB2339016B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9316485B2 (en) * 2010-11-29 2016-04-19 Nokia Technologies Oy Apparatus comprising a plurality of interferometers and method of configuring such apparatus
US8670124B2 (en) * 2012-01-31 2014-03-11 Nokia Corporation Apparatus and method for converting sensor input signals into digital output signals

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1301105A (en) * 1969-10-16 1972-12-29 Medizin Labortechnik Veb K Method and apparatus for measuring the refractive index of a gas or liquid
GB1578585A (en) * 1977-01-17 1980-11-05 Perkin Elmer Corp Apparatus for analyzing coherent radiation
GB1578586A (en) * 1977-01-17 1980-11-05 Perkin Elmer Corp Analyzer for coherent radiation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1301105A (en) * 1969-10-16 1972-12-29 Medizin Labortechnik Veb K Method and apparatus for measuring the refractive index of a gas or liquid
GB1578585A (en) * 1977-01-17 1980-11-05 Perkin Elmer Corp Apparatus for analyzing coherent radiation
GB1578586A (en) * 1977-01-17 1980-11-05 Perkin Elmer Corp Analyzer for coherent radiation

Also Published As

Publication number Publication date
GB2339016A (en) 2000-01-12
GB8317960D0 (en) 1999-05-26

Similar Documents

Publication Publication Date Title
DE3472453D1 (en) Optical sensor
JPS57158801A (en) Optical element
DE3475830D1 (en) Temperature sensor
DE3278845D1 (en) Digital photodetector
GB2087090B (en) Optical sensor element
GB8431017D0 (en) Sensor
DE3174647D1 (en) Digital temperature sensor
GB2134658B (en) Temperature sensor
GB8429672D0 (en) Sensor arrangement
DE3469389D1 (en) Optical recording element
GB2147759B (en) Optical sensor
GB8321607D0 (en) Optical sensor
GB2137390B (en) Sensor assembly
GB8329003D0 (en) Sensors
GB2138936B (en) Optical sensor systems
GB2165062B (en) An optical sensor
GB8409393D0 (en) Optical sensor
GB8329002D0 (en) Sensors
GB2339016B (en) All optical sensors with direct digital response
GB2090956B (en) Signal light
GB8513953D0 (en) Optical sensor
GB8306004D0 (en) Optical sensor
GB8420274D0 (en) Optical position sensor
GB8318897D0 (en) Optical sensors
GB2101302B (en) Optical fibre sensor

Legal Events

Date Code Title Description
COOA Change in applicant's name or ownership of the application
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20000810