EP 0418012 A2 19910320 - World timepiece.
Title (en)
World timepiece.
Title (de)
Weltuhr.
Title (fr)
Pièce d'horlogerie mondiale.
Publication
Application
Priority
JP 23807889 A 19890913
Abstract (en)
The present invention provides a world timepiece including means (7, 13) for calculating a time inclusive of date information for a particular region, input means (8, 10) for designating a given initial time, means (7, 15) for calculating a given time based on the given initial time, and display means (6) operable to display either the time for the particular region or the given time. The timepiece further comprises means (14, 16, 17) for calculating an international date line time, comparison means (18) for comparing the international date line time with the time for the particular region and the given initial time respectively, and means (19) responsive to outputs from the comparison means for determining a date for the given initial time.
IPC 1-7
IPC 8 full level
G04G 9/00 (2006.01); G04G 99/00 (2010.01)
CPC (source: EP)
G04G 9/0076 (2013.01)
Designated contracting state (EPC)
CH DE GB LI
DOCDB simple family (publication)
EP 0418012 A2 19910320; EP 0418012 A3 19920122; EP 0418012 B1 19940223; DE 69006807 D1 19940331; DE 69006807 T2 19940714; JP H03100489 A 19910425
DOCDB simple family (application)
EP 90309871 A 19900910; DE 69006807 T 19900910; JP 23807889 A 19890913