[go: up one dir, main page]

GB2352511B - Colourimetry device - Google Patents

Colourimetry device

Info

Publication number
GB2352511B
GB2352511B GB9917324A GB9917324A GB2352511B GB 2352511 B GB2352511 B GB 2352511B GB 9917324 A GB9917324 A GB 9917324A GB 9917324 A GB9917324 A GB 9917324A GB 2352511 B GB2352511 B GB 2352511B
Authority
GB
United Kingdom
Prior art keywords
colourimetry
colourimetry device
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
GB9917324A
Other versions
GB9917324D0 (en
GB2352511A (en
Inventor
Roger David Orpwood
Sean Anthony Hagan
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.)
University of Bath
Original Assignee
University of Bath
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 University of Bath filed Critical University of Bath
Priority to GB9917324A priority Critical patent/GB2352511B/en
Publication of GB9917324D0 publication Critical patent/GB9917324D0/en
Publication of GB2352511A publication Critical patent/GB2352511A/en
Application granted granted Critical
Publication of GB2352511B publication Critical patent/GB2352511B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/251—Colorimeters; Construction thereof

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (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 Or Analysing Materials By Optical Means (AREA)
GB9917324A 1999-07-23 1999-07-23 Colourimetry device Expired - Fee Related GB2352511B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9917324A GB2352511B (en) 1999-07-23 1999-07-23 Colourimetry device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9917324A GB2352511B (en) 1999-07-23 1999-07-23 Colourimetry device

Publications (3)

Publication Number Publication Date
GB9917324D0 GB9917324D0 (en) 1999-09-22
GB2352511A GB2352511A (en) 2001-01-31
GB2352511B true GB2352511B (en) 2004-05-12

Family

ID=10857820

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9917324A Expired - Fee Related GB2352511B (en) 1999-07-23 1999-07-23 Colourimetry device

Country Status (1)

Country Link
GB (1) GB2352511B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2362399B (en) 2000-05-19 2004-06-23 Smith International Improved bypass valve
GB2373852B (en) * 2001-03-26 2005-06-08 Capital Controls Ltd Portable light detector
CN109226131A (en) * 2018-10-11 2019-01-18 武汉华星光电半导体显示技术有限公司 Clean endpoint monitoring method and monitoring device
CN112666101A (en) * 2021-01-26 2021-04-16 海南微氪生物科技股份有限公司 Residual chlorine detector based on spectrophotometry

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3994590A (en) * 1975-04-29 1976-11-30 Martini Raymond G Di Discrete frequency colorimeter
US4857735A (en) * 1987-10-23 1989-08-15 Noller Hans G Light emitting diode spectrophotometer
US4949400A (en) * 1988-03-31 1990-08-14 Leveen Harry H Hand held glucose colorimeter device
EP0494524A2 (en) * 1991-01-10 1992-07-15 Imperial Chemical Industries Plc Monitoring device
EP0727657A1 (en) * 1995-02-17 1996-08-21 Taisei Chemical Industries Ltd Simple transmittance-measuring instrument
EP0866329A2 (en) * 1997-03-20 1998-09-23 Bayer Corporation Readhead for a photometric diagnostic instrument

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3994590A (en) * 1975-04-29 1976-11-30 Martini Raymond G Di Discrete frequency colorimeter
US4857735A (en) * 1987-10-23 1989-08-15 Noller Hans G Light emitting diode spectrophotometer
US4949400A (en) * 1988-03-31 1990-08-14 Leveen Harry H Hand held glucose colorimeter device
EP0494524A2 (en) * 1991-01-10 1992-07-15 Imperial Chemical Industries Plc Monitoring device
EP0727657A1 (en) * 1995-02-17 1996-08-21 Taisei Chemical Industries Ltd Simple transmittance-measuring instrument
EP0866329A2 (en) * 1997-03-20 1998-09-23 Bayer Corporation Readhead for a photometric diagnostic instrument

Also Published As

Publication number Publication date
GB9917324D0 (en) 1999-09-22
GB2352511A (en) 2001-01-31

Similar Documents

Publication Publication Date Title
GB2352636B (en) Improved passage-travelling device
IL130818A0 (en) Interventive-diagnostic device
GB9907014D0 (en) Novel device
GB2349510B (en) Keybutton-equipped device
GB2356212B (en) Glass-breaking device
PL344358A1 (en) Safetying device
GB9927249D0 (en) Device
GB9904906D0 (en) Device
GB9915686D0 (en) Device
GB2352511B (en) Colourimetry device
GB9907557D0 (en) Wear-warning device
GB9904763D0 (en) Device
GB9909903D0 (en) Device
GB9922599D0 (en) Device
GB9907036D0 (en) Novel device
GB9922143D0 (en) Multiple-puncture device
GB9928590D0 (en) Device
GB2347614B (en) Milkpan device
GB9905289D0 (en) Movement-imparting device
GB9919552D0 (en) Device
GB9919436D0 (en) Device
GB9923202D0 (en) Device
GB9924396D0 (en) Device
TW446249U (en) Wire-reeling device
GB9927634D0 (en) Lifiting device

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100723