HOLOGRAPHIC PROCESSES OR APPARATUS (holograms, e.g. point holograms, used as ordinary optical elements G02B5/32; producing stereoscopic or other three-dimensional effects G02B30/00; diffraction-grating systems G02B27/44; systems using moiré fringes G02B27/60; optical logic elements G02F3/00; stereo-photography G03B35/00; photosensitive materials or processes for photographic purposes G03C; ; apparatus for processing exposed photographic materials G03D; analogue computers performing mathematical operations with the aid of optical elements G06E3/00; authentication by radiation, of concealed information carried by holograms or diffraction gratings G06K19/16; holographic storage G11B7/0065, G11C13/04; )

Child Classifications

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• G03H 1/00 Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto since 1974 +1 CPC IPC+CPC Available in IPC and CPC
• G03H 2210/00 Object characteristics 2nd only +7 CPC CPC only CPC only
• G03H 2222/00 Light sources or light beam properties 2nd only +10 CPC CPC only CPC only
• G03H 2223/00 Optical components 2nd only +16 CPC CPC only CPC only
• G03H 2224/00 Writing means other than actinic light wave 2nd only +3 CPC CPC only CPC only
• G03H 2225/00 Active addressable light modulator 2nd only +6 CPC CPC only CPC only
• G03H 2226/00 Electro-optic or electronic components relating to digital holography 2nd only +4 CPC CPC only CPC only
• G03H 2227/00 Mechanical components or mechanical aspects not otherwise provided for 2nd only +4 CPC CPC only CPC only
• G03H 2230/00 Form or shape of the hologram when not registered to the substrate 2nd only +1 CPC CPC only CPC only
• G03H 2240/00 Hologram nature or properties 2nd only +3 CPC CPC only CPC only
• G03H 2250/00 Laminate comprising a hologram layer 2nd only +16 CPC CPC only CPC only
• G03H 2260/00 Recording materials or recording processes 2nd only +6 CPC CPC only CPC only
• G03H 2270/00 Substrate bearing the hologram 2nd only +7 CPC CPC only CPC only
• G03H 3/00 Holographic processes or apparatus using ultrasonic, sonic or infrasonic waves for obtaining holograms; Processes or apparatus for obtaining an optical image from them (G03H1/22 takes precedence) since 1974 IPC+CPC Available in IPC and CPC
• G03H 5/00 Holographic processes or apparatus using particles or using waves other than those covered by groups G03H1/00 or G03H3/00 for obtaining holograms; Processes or apparatus for obtaining an optical image from them (G03H1/22 takes precedence; construction of electron microscopes H01J37/26; ) since 1974 IPC+CPC Available in IPC and CPC