公开(公告)号：WO2011124882A3

公开(公告)日：2011-10-13

申请号：PCT/GB2011/000527

申请日：2011-04-06

Applicant: University Court of the University of St Andrews ,  GIARDINI, Mario Ettore ,  KRAUSS, Thomas Fraser ,  DI FALCO, Andrea

Inventor： GIARDINI, Mario Ettore ,  KRAUSS, Thomas Fraser ,  DI FALCO, Andrea

IPC: A61B5/1455

Abstract: A system for non-invasive measurement of parameters relating to a biological tissue comprising: a plurality of light sources, each operable to emit a light signal with one or more predetermined wavelengths; a light detector for detecting light from the tissue as a result of illumination by the sources, and means for applying modulation functions to the light emitted to implement code division multiplexing, each source being associated with a different function, wherein the functions are selected so that there is substantially no cross correlation between them, and wherein the sources have overlapping spectra.

公开(公告)号：WO2019102183A1

公开(公告)日：2019-05-31

申请号：PCT/GB2018/053323

申请日：2018-11-16

Applicant: UNIVERSITY COURT OF THE UNIVERSITY OF ST ANDREWS

Inventor： DI FALCO, Andrea ,  BURCH, James

IPC: G03H1/00 ,  G03H1/02 ,  G03H1/08 ,  G03H1/26

CPC classification number: G03H1/0011 ,  G03H1/02 ,  G03H1/0236 ,  G03H1/0808 ,  G03H1/0841 ,  G03H1/0891 ,  G03H1/2645 ,  G03H2001/0016 ,  G03H2001/0044 ,  G03H2001/043 ,  G03H2001/0816 ,  G03H2001/2215 ,  G03H2001/2247 ,  G03H2001/267 ,  G03H2222/31 ,  G03H2270/31 ,  G03H2270/52

Abstract: A holographic security or identification device (10) comprises an object, or a flexible substrate (12) configured to be conformable to a desired, curved shape; and a plurality of structures (14) formed on or in the object to have a desired curved configuration, or formed in or associated with the substrate and arranged to adopt a desired curved configuration when the substrate is conformed to a desired shape, wherein the plurality of structures (14) are configured to receive light (20) of a selected at least one wavelength or range of wavelengths and to produce, using the received light, a desired holographic image (22) for security or identification purposes when in the desired configuration.