EP 0912918 B1 20030521 - TENNIS SERVICE WATCHES FOR INSTANTANEOUS DISPLAY OF THE VELOCITY OF THE SERVICE BALL
Title (en)
TENNIS SERVICE WATCHES FOR INSTANTANEOUS DISPLAY OF THE VELOCITY OF THE SERVICE BALL
Title (de)
ARMBANDUHR MIT SOFORTIGER ANZEIGE DER BALLGESCHWINDIGKEIT BEIM TENNISAUFSCHLAG
Title (fr)
MONTRE SERVICES-TENNIS PERMETTANT DE VISUALISER INSTANTANEMENT LA VITESSE DE LA BALLE DE SERVICE
Publication
Application
Priority
- FR 9701885 W 19971021
- FR 9612801 A 19961022
Abstract (en)
[origin: FR2754921A1] The invention concerns a wrist watch which instantaneously displays the velocity of the service ball in kilometres or miles for its manual or electronic display during competitions.
IPC 1-7
IPC 8 full level
G04G 21/02 (2010.01); A63B 71/06 (2006.01)
CPC (source: EP US)
G04G 21/02 (2013.01 - EP US); A63B 2071/0663 (2013.01 - EP US)
Designated contracting state (EPC)
CH LI
DOCDB simple family (publication)
FR 2754921 A1 19980424; FR 2754921 B1 19981218; AU 4873297 A 19980515; EP 0912918 A1 19990506; EP 0912918 B1 20030521; US 6330520 B1 20011211; WO 9818062 A1 19980430
DOCDB simple family (application)
FR 9612801 A 19961022; AU 4873297 A 19971021; EP 97911310 A 19971021; FR 9701885 W 19971021; US 9148498 A 19980619