Digital data exchange system

Details Digital data exchange system Digital data exchange system

2005-08-16

2005-08-16

Tweel, Jr., John (Department: 2636)

Communications: electrical

Condition responsive indicating system

With particular coupling link

C340S005610, C235S383000, C705S021000

Reexamination Certificate

active

06930601

ABSTRACT:
A system for exchanging digital data between a plurality of users comprises a first computer installation (12) in which said digital data is stored together with at least one determined identity code allocated to each of said items of digital data, and a portable device for sending and receiving digital data (10) for each user for the purpose of receiving the identity codes, each of the portable devices including communications means so as to enable portable devices to exchange the identity codes between each other and transfer them to the first computer installation, said first computer installation then making available to each user of the portable devices the digital data associated with the identity codes as transferred in this way.

REFERENCES:
patent: 5796351 (1998-08-01), Yabuki
patent: 5936542 (1999-08-01), Kleinrock et al.
patent: 6130892 (2000-10-01), Short et al.
patent: 6774787 (2004-08-01), Melbourne
patent: 6823084 (2004-11-01), Myers et al.
patent: 0841828 (1997-10-01), None

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