![]() G07F7/08- Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means.G07F7/00- Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus.G02B5/1842- Gratings for image generation.systems including a diffractive element being designed for providing a diffractive effect G02B27/00- Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00.of credit or identity cards the marking being a hologram or diffraction grating one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. G06K19/16- 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.G06K19/10- 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.one marking being sensed by optical and the other by magnetic means G06K19/08- 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.G06K19/06- 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.G06K19/00- Record carriers for use with machines and with at least a part designed to carry digital markings.G06K- GRAPHICAL DATA READING PRESENTATION OF DATA RECORD CARRIERS HANDLING RECORD CARRIERS.G06- COMPUTING CALCULATING OR COUNTING.G02B5/00- Optical elements other than lenses.G02B- OPTICAL ELEMENTS, SYSTEMS OR APPARATUS.Application granted granted Critical Publication of US5335113A publication Critical patent/US5335113A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Assignors: GOODMAN, RICHARD A., JACKSON, WAYNE K. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority claimed from AUPJ202088 external-priority Application filed by Reserve Bank of Australia filed Critical Reserve Bank of Australia Assigned to RESERVE BANK OF AUSTRALIA reassignment RESERVE BANK OF AUSTRALIA ASSIGNMENT OF ASSIGNORS INTEREST. Original Assignee Reserve Bank of Australia Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Goodman Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US07/743,387 Inventor Wayne K. ![]() Google Patents US5335113A - Diffraction gratingÄownload PDF Info Publication number US5335113A US5335113A US07/743,387 US74338791A US5335113A US 5335113 A US5335113 A US 5335113A US 74338791 A US74338791 A US 74338791A US 5335113 A US5335113 A US 5335113A Authority US United States Prior art keywords grating image diffraction sup diffraction grating Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. ![]()
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