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PCE
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DIFF Subgroup
G03H 1/22

Processes or apparatus for obtaining an optical image from holograms (G03H1/26 - G03H1/34 take precedence)

Introduced: July 1974

Title

Titles differ between systems:

IPC: Processes or apparatus for obtaining an optical image from holograms

CPC: Processes or apparatus for obtaining an optical image from holograms (G03H1/26 - G03H1/34 take precedence)

Full Title

Full titles differ between systems:

IPC:

Holographic processes or apparatus using light, infrared, or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto > Processes or apparatus for obtaining an optical image from holograms

CPC:

Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto > Processes or apparatus for obtaining an optical image from holograms (G03H1/26 - G03H1/34 take precedence)

CPC subdivides this area 5x more granularly than IPC with 4 additional codes.

4 codes are CPC-only extensions.

IPC defines codes here since 1974.

Child Classifications

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