Optical Retarder

Details for Australian Patent Application No. 2002338445 (hide)

Owner PureDepth Limited

Inventors Bell, Gareth, Paul

Agent Pizzeys

Pub. Number AU-B-2002338445

PCT Number PCT/NZ02/00073

PCT Pub. Number WO2002/086610

Priority 511255 20.04.01 NZ

Filing date 22 April 2002

Wipo publication date 5 November 2002

Acceptance publication date 12 February 2009

International Classifications

G02B 5/02 (2006.01) Optical elements other than lenses - Diffusing elements

G02B 5/30 (2006.01) Optical elements other than lenses - Polarising elements

G02B 27/22 (2006.01) Other optical systems - for producing stereoscopic or other three-dimensional effects

G02F 1/13 (2006.01) 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 - based on liquid crystals, e.g. single liquid crystal display cells

G02F 1/1347 (2006.01) 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

G09F 9/46 (2006.01) Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements - in which the desired character is selected from a number of characters arranged one behind the other

G02F 1/13363 (2006.01) 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

Event Publications

27 February 2003 Complete Application Filed

  Priority application(s): 511255 20.04.01 NZ

17 April 2003 Application Open to Public Inspection

  Published as AU-B-2002338445

3 February 2005 Assignment before Grant

  Deep Video Imaging Limited The application has been assigned to PureDepth Limited

12 February 2009 Application Accepted

  Published as AU-B-2002338445

11 June 2009 Standard Patent Sealed

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