178649 ⎘
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 for obtaining an optical image from holograms; Holobject properties; Multicoloured holobject Rainbow hologram
Hologram module, display device having the same and wearing device having the same
#2SECURITY ELEMENT INCLUDING AN OPTICAL STRUCTURE
#3Method and device for producing colored individualized holograms
#4DIFFRACTIVE DEVICE
#5Optical security device
#6Holographic printer
#7Optically variable security device
#8Holographic printer
#9HOLOGRAPHIC PRINTER
#10Volume hologram medium
#11Security device using parallax movement to view front and rear layers
#12Holographic printer
#13Holographic printer
#14Hologram recording medium
#15Holographic printer
#16Optical security device
#17Diffractive device
#18Method of forming a rainbow security hologram
#19Holographic printer
#20Holographic printer
#21Method and apparatus for reading and verifying holograms