GB2183332B - Optical position sensor - Google Patents

Optical position sensor

Info

Publication number
GB2183332B
GB2183332B GB8528836A GB8528836A GB2183332B GB 2183332 B GB2183332 B GB 2183332B GB 8528836 A GB8528836 A GB 8528836A GB 8528836 A GB8528836 A GB 8528836A GB 2183332 B GB2183332 B GB 2183332B
Authority
GB
United Kingdom
Prior art keywords
position sensor
optical position
optical
sensor
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 - Lifetime
Application number
GB8528836A
Other versions
GB8528836D0 (en
GB2183332A (en
Inventor
Eric Gordon Nightingale
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.)
Rank Taylor Hobson Ltd
Original Assignee
Rank Taylor Hobson 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 Rank Taylor Hobson Ltd filed Critical Rank Taylor Hobson Ltd
Priority to GB8528836A priority Critical patent/GB2183332B/en
Publication of GB8528836D0 publication Critical patent/GB8528836D0/en
Publication of GB2183332A publication Critical patent/GB2183332A/en
Application granted granted Critical
Publication of GB2183332B publication Critical patent/GB2183332B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/8901—Optical details; Scanning details
    • 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
    • G01N21/21—Polarisation-affecting properties
    • 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/8914—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the material examined
    • G01N21/8916—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the material examined for testing photographic material

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (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 Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
GB8528836A 1985-11-22 1985-11-22 Optical position sensor Expired - Lifetime GB2183332B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8528836A GB2183332B (en) 1985-11-22 1985-11-22 Optical position sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8528836A GB2183332B (en) 1985-11-22 1985-11-22 Optical position sensor

Publications (3)

Publication Number Publication Date
GB8528836D0 GB8528836D0 (en) 1985-12-24
GB2183332A GB2183332A (en) 1987-06-03
GB2183332B true GB2183332B (en) 1990-06-20

Family

ID=10588639

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8528836A Expired - Lifetime GB2183332B (en) 1985-11-22 1985-11-22 Optical position sensor

Country Status (1)

Country Link
GB (1) GB2183332B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4585343A (en) * 1983-11-04 1986-04-29 Libbey-Owens-Ford Company Apparatus and method for inspecting glass
US5117221A (en) * 1990-08-16 1992-05-26 Bright Technologies, Inc. Laser image projection system with safety means
US6989857B2 (en) * 2003-06-30 2006-01-24 Emhart Glass S.A. Container inspection machine
DE102014112886A1 (en) * 2014-09-08 2016-03-24 Khs Gmbh Polarization camera for monitoring conveyor belts

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1161429A (en) * 1965-10-12 1969-08-13 Bell & Howell Co Slide Projector
US3790287A (en) * 1972-03-31 1974-02-05 Western Electric Co Surface inspection with scanned focused light beams
US3994589A (en) * 1975-04-30 1976-11-30 Canadian Patents And Development Limited Apparatus for determining the position of a surface
GB1477625A (en) * 1974-10-15 1977-06-22 Secr Defence Focussing of optical systems
US4088408A (en) * 1976-11-08 1978-05-09 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Device for measuring the contour of a surface
GB1513611A (en) * 1975-02-26 1978-06-07 Bendix Corp Surface profile measuring apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1161429A (en) * 1965-10-12 1969-08-13 Bell & Howell Co Slide Projector
US3790287A (en) * 1972-03-31 1974-02-05 Western Electric Co Surface inspection with scanned focused light beams
GB1477625A (en) * 1974-10-15 1977-06-22 Secr Defence Focussing of optical systems
GB1513611A (en) * 1975-02-26 1978-06-07 Bendix Corp Surface profile measuring apparatus
US3994589A (en) * 1975-04-30 1976-11-30 Canadian Patents And Development Limited Apparatus for determining the position of a surface
US4088408A (en) * 1976-11-08 1978-05-09 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Device for measuring the contour of a surface

Also Published As

Publication number Publication date
GB8528836D0 (en) 1985-12-24
GB2183332A (en) 1987-06-03

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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: 19991122