Owner Inventio AG

Inventors Gielis, Michel

Agent Watermark

Pub. Number AU-B-2003246368

PCT Number PCT/EP03/07130

PCT Pub. Number WO2003/107255

Priority 02/07299 13.06.02 FR

Filing date 12 June 2003

Wipo publication date 31 December 2003

Acceptance publication date 13 August 2009

G06K 19/08 (2006.01) Record carriers for use with machines and with at least a part designed to carry digital markings - using markings of different kinds in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means

G06K 7/00 (2006.01) Methods or arrangements for sensing record carriers

G06K 7/08 (2006.01) Methods or arrangements for sensing record carriers - by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes

G06K 17/00 (2006.01) Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups , e.g. automatic card files incorporating conveying and reading operations

G06K 19/06 (2006.01) Record carriers for use with machines and with at least a part designed to carry digital markings - characterised by the kind of the digital marking, e.g. shape, nature, code

G06K 19/07 (2006.01) Record carriers for use with machines and with at least a part designed to carry digital markings - with integrated circuit chips

H04B 5/02 (2006.01) Near-field transmission systems, e.g. inductive loop type - using transceiver