SE369776BSE1547272ASE1547272ASE369776BSE 369776 BSE369776 BSE 369776BSE 1547272 ASE1547272 ASE 1547272ASE 1547272 ASE1547272 ASE 1547272ASE 369776 BSE369776 BSE 369776B
Authority
SE
Sweden
Application number
SE1547272A
Inventor
C Bjoerkman
A Johansson
Original Assignee
Bjoerkman & Johansson
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 Bjoerkman & JohanssonfiledCriticalBjoerkman & Johansson
Priority to SE1547272ApriorityCriticalpatent/SE369776B/xx
Priority to GB5528873Aprioritypatent/GB1418376A/en
Publication of SE369776BpublicationCriticalpatent/SE369776B/xx
G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
G01B11/00—Measuring arrangements characterised by the use of optical techniques
G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures