SE376494BSE7214422ASE1442272ASE376494BSE 376494 BSE376494 BSE 376494BSE 7214422 ASE7214422 ASE 7214422ASE 1442272 ASE1442272 ASE 1442272ASE 376494 BSE376494 BSE 376494B
Authority
SE
Sweden
Application number
SE7214422A
Inventor
A B E Ellis
Original Assignee
Marconi Co 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 Marconi Co LtdfiledCriticalMarconi Co Ltd
Priority claimed from GB5857772Aexternal-prioritypatent/GB1418877A/en
Publication of SE376494BpublicationCriticalpatent/SE376494B/xx
G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
G06F3/0304—Detection arrangements using opto-electronic means
G06F3/0317—Detection arrangements using opto-electronic means in co-operation with a patterned surface, e.g. absolute position or relative movement detection for an optical mouse or pen positioned with respect to a coded surface