Owner Isis Innovation Limited

Inventors Burd, Harvey John; Edwards, David John; Hao, Tong; Stevens, Christopher John

Agent Halfords IP

Pub. Number AU-A-2009213846

PCT Pub. Number WO2009/101450

Priority 0802729.4 14.02.08 GB

Filing date 16 February 2009

Wipo publication date 20 August 2009

H01Q 1/04 (2006.01) Details of, or arrangements associated with, aerials

G01V 15/00 (2006.01) Tags attached to, or associated with, an object, in order to enable detection of the object

G06K 19/077 (2006.01) Record carriers for use with machines and with at least a part designed to carry digital markings - Constructional details, e.g. mounting of circuits in the carrier

H01Q 1/22 (2006.01) Details of, or arrangements associated with, aerials - by structural association with other equipment or articles

H01Q 1/32 (2006.01) Details of, or arrangements associated with, aerials - Adaptation for use in or on road or rail vehicles

H01Q 1/38 (2006.01) Details of, or arrangements associated with, aerials - formed by a conductive layer on an insulating support

H01Q 7/00 (2006.01) Loop aerials with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop

H01Q 9/16 (2006.01) Electrically-short aerials having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements

H01Q 21/24 (2006.01) Aerial arrays or systems - Combinations of aerial units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction

H01Q 25/00 (2006.01) Aerials or aerial systems providing at least two radiating patterns

G01S 7/02 (2006.01) Details of systems according to groups , , - of systems according to group

G01S 13/75 (2006.01)

G01S 13/88 (2006.01)