GB2054845B - Measuring reflectivity - Google Patents

Measuring reflectivity

Info

Publication number: GB2054845B
Authority: GB; United Kingdom
Prior art keywords: measuring reflectivity; reflectivity; measuring
Prior art date: 1979-07-26
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

Application number

GB8024019A

Other versions

GB2054845A (en

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.)

Wiggins Teape Group Ltd

Original Assignee

Wiggins Teape Group 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.)

1979-07-26

Filing date

1980-07-23

Publication date

1984-01-04

1980-07-23 Application filed by Wiggins Teape Group Ltd filed Critical Wiggins Teape Group Ltd

1980-07-23 Priority to GB8024019A priority Critical patent/GB2054845B/en

1981-02-18 Publication of GB2054845A publication Critical patent/GB2054845A/en

1984-01-04 Application granted granted Critical

1984-01-04 Publication of GB2054845B publication Critical patent/GB2054845B/en

Status Expired legal-status Critical Current

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
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/4738—Diffuse reflection, e.g. also for testing fluids, fibrous materials

Landscapes

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 Or Analysing Materials By Optical Means (AREA)

GB8024019A 1979-07-26 1980-07-23 Measuring reflectivity Expired GB2054845B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB8024019A GB2054845B (en)	1979-07-26	1980-07-23	Measuring reflectivity

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB7926129		1979-07-26
GB8024019A GB2054845B (en)	1979-07-26	1980-07-23	Measuring reflectivity

Publications (2)

Publication Number	Publication Date
GB2054845A GB2054845A (en)	1981-02-18
GB2054845B true GB2054845B (en)	1984-01-04

Family

ID=26272341

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB8024019A Expired GB2054845B (en)	1979-07-26	1980-07-23	Measuring reflectivity

Country Status (1)

Country	Link
GB (1)	GB2054845B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH651664A5 (en) *	1982-10-14	1985-09-30	Nestle Sa	METHOD AND APPARATUS FOR MEASURING THE BRIGHTNESS OF A COLOR.
US4566798A (en) *	1983-11-10	1986-01-28	Eastman Kodak Company	Method for calibrating a reflectometer containing black and white references displaced from the sample position
US4640616A (en) *	1984-12-06	1987-02-03	The Cambridge Instrument Company Plc	Automatic refractometer
DE3855086T2 (en) *	1987-05-06	1996-07-25	Fuji Photo Film Co Ltd	Density measurement device and its use
US4793710A (en) *	1987-06-09	1988-12-27	The United States Of America As Represented By The Secretary Of The Interior	Method and apparatus for measuring surface density of explosive and inert dust in stratified layers
JP2004150923A (en)	2002-10-30	2004-05-27	Atago:Kk	Refractometer
US7663757B2 (en) *	2006-09-27	2010-02-16	Alberta Research Council Inc.	Apparatus and method for obtaining a reflectance property indication of a sample

1980
- 1980-07-23 GB GB8024019A patent/GB2054845B/en not_active Expired

Also Published As

Publication number	Publication date
GB2054845A (en)	1981-02-18

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Legal Events

Date	Code	Title	Description
1990-03-14	PCNP	Patent ceased through non-payment of renewal fee