Process and device for selective download of data based on index file transmitted from a central server

• Main Author: LEBRUN PAUL
• Format: Patent
• Language: English
• Published: 13.01.2005
• Edition: 7
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRIC DIGITAL DATA PROCESSING; ELECTRICITY; PHYSICS; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION

Processes for the transmission and display of updated data from a central server to at least one subscriber station, via a digital communication network, in which each subscriber can connect his station to the server. The device according to the invention comprises a central server (1) containing data, a digital communication network (2) for the transfer of data from the server (1) to at least one subscriber station (3), at least one subscriber station (3) constituted by a storage system (4) for the data already transmitted by the server (1) and recorded and a comparison system (5) for the transmitted and stored data, a digital disc reader (6), per station (3), and this means for simultaneously displaying stored data and information from the disc at the station (3).