EP 1525435 A2 20050427 - POSITION INDICATOR, MEASURING APPLIANCE, AND METHOD FOR PRODUCING AN INDICATOR PATTERN
Title (en)
POSITION INDICATOR, MEASURING APPLIANCE, AND METHOD FOR PRODUCING AN INDICATOR PATTERN
Title (de)
STELLUNGSANZEIGE, MESSGER T UND VERFAHREN ZUR ERZEUGUNG EINE S ANZEIGEMUSTERS
Title (fr)
INDICATEUR DE POSITION, APPAREIL DE MESURE ET PROCEDE DE PRODUCTION D'UN MOTIF D'INDICATION
Publication
Application
Priority
- DE 10232895 A 20020719
- EP 0307792 W 20030717
Abstract (en)
[origin: WO2004010084A2] The invention relates to a position indicator for indicating the relative position of two components which can be displaced in relation to each other. A first indicator pattern is applied to a first of the two components in a fixed manner, and a second indicator pattern is applied to a second of the two components in a fixed manner. The first indicator pattern extends in an extension direction over a first length L1 and consists of a number N1 of essentially identical first partial patterns which periodically repeat in the extension direction. The second indicator pattern extends in an extension direction over a second length L2 and consists of a number N2 of essentially identical second partial patterns which periodically repeat in the extension direction. According to the invention, the following equations hold true: L2=L1*(1+/-1/N1) and N2=N1/n or L2=L1 and N2=N1/n+/-1. The invention is characterised in that the first and/or second partial patterns have other indicator characteristics, enabling the relative position to be read more accurately, according to the accuracy of a vernier scale with an (N1/n)-1 to N1/n graduation.
IPC 1-7
IPC 8 full level
G01D 13/02 (2006.01); G01D 13/10 (2006.01); G04B 19/08 (2006.01); G04B 19/20 (2006.01); G04B 45/00 (2006.01)
CPC (source: EP US)
G01B 3/004 (2013.01 - EP US); G01B 3/02 (2013.01 - EP US); G01D 13/02 (2013.01 - EP US); G01D 13/10 (2013.01 - EP US); G04B 19/08 (2013.01 - EP US); G04B 19/202 (2013.01 - EP US); G04B 45/0007 (2013.01 - EP US); Y10T 29/49 (2015.01 - EP US)
Citation (search report)
See references of WO 2004010084A2
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2004010084 A2 20040129; WO 2004010084 A3 20040318; AU 2003250094 A1 20040209; AU 2003250094 A8 20040209; DE 10232895 A1 20040219; DE 10232895 B4 20040916; DE 10232895 B8 20041230; EP 1525435 A2 20050427; US 2008066335 A1 20080320; US 7502280 B2 20090310
DOCDB simple family (application)
EP 0307792 W 20030717; AU 2003250094 A 20030717; DE 10232895 A 20020719; EP 03765028 A 20030717; US 52243505 A 20050119