A hand-held, portable apparatus for recording chess moves operable between a recording mode and at least one other mode is described. The apparatus is adapted to uniquely identifying a user and includes an interface for electronically entering into a memory a chess move made by the user. A mechanism...http://www.google.fr/patents/US20060211464?utm_source=gb-gplus-shareBrevet US20060211464 - System and devices for real-time electronic chess move recording, viewing and storage
System and devices for real-time electronic chess move recording, viewing ...
Numéro de demande: 10/543,224 Numéro de publication: US 2006/0211464 A1 Date de dépôt: 15 janv. 2004 Brevet délivré: US8087672 ( Date de délivrance 3 janv. 2012)