EP 3015926 A1 20160504 - Timepiece crown stem with a coding pattern
Title (en)
Timepiece crown stem with a coding pattern
Title (de)
Uhrenkronenschaft mit einem Codierungsmuster
Title (fr)
Tige de couronne de pièce d'horlogerie avec un motif de codage
Publication
Application
Priority
EP 14190710 A 20141028
Abstract (en)
The present invention concerns a method of making an encoding pattern (3) on a timepiece setting stem (1) for detecting an axial and/or angular movement and/or position of the setting stem (1). The method comprises providing the surface of a shaft (5) of the setting stem (1) with a first section (A) having first material properties and a second section (B) having second material properties to form the encoding pattern (3), where the first and second material properties are at least partially different from each other. The first section (A) comprises a strip (S) extending diagonally on the surface of the shaft (5).
IPC 8 full level
G04C 3/00 (2006.01)
CPC (source: EP)
G04C 3/001 (2013.01); G04C 3/004 (2013.01)
Citation (search report)
- [XYI] GB 2037027 A 19800702 - DIEHL GMBH & CO
- [Y] US 6422740 B1 20020723 - LEUENBERGER CLAUDE-ERIC [CH]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DOCDB simple family (application)
EP 14190710 A 20141028