Reproducing sound encoded in infrared ink on photographs

Details for Australian Patent Application No. 2001295294 (hide)

Owner Silverbrook Research Pty Ltd

Inventors Walmsley, Simon Robert; Lapstun, Paul; Silverbrook, Kia

Agent Silverbrook Research Pty. Ltd.

Pub. Number AU-B-2001295294

PCT Pub. Number WO02/35286

Priority 09/693,078 20.10.00 US

Filing date 19 October 2001

Wipo publication date 6 May 2002

Acceptance publication date 19 August 2004

International Classifications

G03C 005/14 Photographic processes or agents therefor

G06K 007/12 Methods or arrangements for sensing record carriers - using a selected wavelength, e.g. to sense red marks and ignore blue marks

G06K 019/06 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

Event Publications

19 August 2004 Application Accepted

  Published as AU-B-2001295294

16 December 2004 Standard Patent Sealed

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