Owner Kargo, Inc.

Inventors Eskin, Eleazar

Agent Griffith Hack

Pub. Number AU-B-2002236938

PCT Pub. Number WO2002/062039

Priority 09/775,194 01.02.01 US

Filing date 1 February 2002

Wipo publication date 12 August 2002

Acceptance publication date 5 July 2007

G06F 15/02 (2006.01) Digital computers in general - manually operated with input through keyboard and computation using a built-in programme, e.g. pocket calculators

G01S 1/68 (2006.01) Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters

H04B 7/26 (2006.01) Radio transmission systems, i.e. using radiation field - at least one of which is mobile

H04L 12/28 (2006.01) Data switching networks - characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]

H04L 12/56 (2006.01) Data switching networks - Packet switching systems

H04L 29/06 (2006.01) Arrangements, apparatus, circuits or systems, not covered by a single one of groups - characterised by a protocol

H04M 11/00 (2006.01) Telephonic communication systems specially adapted for combination with other electrical systems

H04Q 7/38 (2006.01)

H04L 29/08 (2006.01) Arrangements, apparatus, circuits or systems, not covered by a single one of groups - Transmission control procedure, e.g. data link level control procedure