GB2321309B - Thickness measuring apparatus - Google Patents

Thickness measuring apparatus

Info

Publication number
GB2321309B
GB2321309B GB9703761A GB9703761A GB2321309B GB 2321309 B GB2321309 B GB 2321309B GB 9703761 A GB9703761 A GB 9703761A GB 9703761 A GB9703761 A GB 9703761A GB 2321309 B GB2321309 B GB 2321309B
Authority
GB
Grant status
Grant
Patent type
Prior art keywords
measuring apparatus
thickness measuring
thickness
apparatus
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
GB9703761A
Other versions
GB9703761D0 (en )
GB2321309A (en )
Inventor
Neil Colin Hamilton
Original Assignee
Neil Colin Hamilton
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
Grant date

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical means
    • G01B11/02Measuring arrangements characterised by the use of optical means for measuring length, width or thickness
    • G01B11/06Measuring arrangements characterised by the use of optical means for measuring length, width or thickness for measuring thickness, e.g. of sheet material
GB9703761A 1997-01-21 1997-02-24 Thickness measuring apparatus Expired - Lifetime GB2321309B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9701177A GB9701177D0 (en) 1997-01-21 1997-01-21 Thickness measuring apparatus

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
AU5567098A AU5567098A (en) 1997-01-21 1998-01-09 Thickness measuring apparatus
DE1998629041 DE69829041T2 (en) 1997-01-21 1998-01-09 Thickness measuring apparatus
EP19980900571 EP0961915B1 (en) 1997-01-21 1998-01-09 Thickness measuring apparatus
PCT/GB1998/000075 WO1998031984A1 (en) 1997-01-21 1998-01-09 Thickness measuring apparatus
AT98900571T AT289406T (en) 1997-01-21 1998-01-09 Thickness measuring apparatus

Publications (3)

Publication Number Publication Date
GB9703761D0 true GB9703761D0 (en) 1997-04-16
GB2321309A true GB2321309A (en) 1998-07-22
GB2321309B true GB2321309B (en) 1999-08-04

Family

ID=10806332

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9701177A Pending GB9701177D0 (en) 1997-01-21 1997-01-21 Thickness measuring apparatus
GB9703761A Expired - Lifetime GB2321309B (en) 1997-01-21 1997-02-24 Thickness measuring apparatus

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB9701177A Pending GB9701177D0 (en) 1997-01-21 1997-01-21 Thickness measuring apparatus

Country Status (1)

Country Link
GB (2) GB9701177D0 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7583368B1 (en) 2006-04-05 2009-09-01 Electronic Design To Market, Inc. Method of enhancing measurement of stress in glass
US7652760B1 (en) 2006-04-05 2010-01-26 Electronic Design To Market, Inc. System for detecting coatings on transparent or semi-transparent materials

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6683695B1 (en) 1999-07-21 2004-01-27 Electronic Design To Market, Inc. Method and apparatus for detecting properties of reflective transparent surface coatings on a sheet of transparent material
US7417749B1 (en) 2004-09-01 2008-08-26 Electric Design To Market, Inc. Method and apparatus for protecting an optical transmission measurement when sensing transparent materials

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1329240A (en) * 1969-11-11 1973-09-05 British Aircraft Corp Ltd Optical measurement of the thickness of translucent objects
GB1581948A (en) * 1976-04-19 1980-12-31 Kaye M Optical measurement system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1329240A (en) * 1969-11-11 1973-09-05 British Aircraft Corp Ltd Optical measurement of the thickness of translucent objects
GB1581948A (en) * 1976-04-19 1980-12-31 Kaye M Optical measurement system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7583368B1 (en) 2006-04-05 2009-09-01 Electronic Design To Market, Inc. Method of enhancing measurement of stress in glass
US7652760B1 (en) 2006-04-05 2010-01-26 Electronic Design To Market, Inc. System for detecting coatings on transparent or semi-transparent materials

Also Published As

Publication number Publication date Type
GB9703761D0 (en) 1997-04-16 application
GB9701177D0 (en) 1997-03-12 application
GB2321309A (en) 1998-07-22 application

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20170223