The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 26, 2002
Filed:
Feb. 18, 1999
Applicant:
Inventor:
Ronald Alexander Brockmann, Utrecht, NL;
Assignee:
No Wires Needed, B.V., Bitthoven, NL;
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/36 ; H04L 9/32 ; H04K 1/10 ; H04H 1/12 ;
U.S. Cl.
CPC ...
H04L 9/36 ; H04L 9/32 ; H04K 1/10 ; H04H 1/12 ;
Abstract
The invention relates to a data communication network suitable for the exchange of data between computers, which network comprises at least one substantially wireless LAN (Local Area Network) and access points distributed over an area of coverage for linking the computers comprised in the minimally one LAN, with the network. The minimally one wireless LAN is virtual and the data traffic with the computers belonging to that particular LAN is individualized by encoding the data exchanged between the computers and the access points by using for each LAN a unique key.