178675 ⎘
Holographic processes or apparatus using light, infra-red or ultra-violet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto; Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique; Multiplexing processes, e.g. aperture, shift, or wavefront multiplexing Coherence multiplexing wherein different holobjects are perceived under coherent or incoherent illumination
Photonic coherent detection array
#2Biometric Hologram Based Data Verification Methods And Apparatus
#3Security hologram and associated methods of use and of making
#4Method for using a deep image hologram as a security device and a deep image hologram