This is one of two patents that cover the wireless communication technology incorporated into the MAVIC Mektronic. The other is French Patent # 2,755,420.

Remember that 1996 was a time before Bluetooth and ANT+ were baked into everything, and a great deal of wireless communication had to be devised from the ground up.

• Publisher: L’Institut national de la propriété industrielle
• Inventor: Michel Kubacsi
• Country: France
• Date: Priority date November 1996
• Derailleur brands: MAVIC
• Derailleurs: MAVIC Mektronic