Owner KONINKLIJKE PHILIPS ELECTRONICS N.V.

Inventors STAPERT, Hendrik, R.; VERSTEGEN, Emile, J., K.

Pub. Number AU-A-2003288619

PCT Number PCT/IB2003/0061

PCT Pub. Number WO2004/059565

Priority 02080547.9 30.12.02 EP

Filing date 18 December 2003

Wipo publication date 22 July 2004

G06K 007/10 Methods or arrangements for sensing record carriers - by electromagnetic radiation, e.g. optical sensing

G02B 003/14 Simple or compound lenses

G02C 007/08 Optical parts

G11B 007/135 Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power - Means for guiding the beam from source to record carrier or from record carrier to detector

G02F 001/29 Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating - for the control of the position or the direction of light beams, i.e. deflection

G02F 001/139 Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating

G02F 001/1347 Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating

G02F 001/1335 Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating