Generating the spectrum; Monochromators

Introduced: September 1968

Full Title

Spectrometry; Spectrophotometry; Monochromators; Measuring colours > Generating the spectrum; Monochromators

CPC subdivides this area 6x more granularly than IPC with 14 additional codes.

14 codes are CPC-only extensions.

Note: 13 CPC extensions are marked as secondary classification only.

3 shared codes have differing titles between IPC and CPC.

Navigate with arrow keys, Enter to open

G01J 2003/1204 2nd only CPC only CPC only
G01J 2003/1208 2nd only CPC only CPC only
G01J 2003/1213 2nd only +2 CPC CPC only CPC only
G01J 2003/1226 2nd only +6 CPC CPC only CPC only
G01J 2003/126 2nd only CPC only CPC only
G01J 2003/1265 2nd only CPC only CPC only
G01J 2003/1269 2nd only CPC only CPC only
G01J 2003/1273 2nd only CPC only CPC only
G01J 2003/1278 2nd only CPC only CPC only
G01J 2003/1282 2nd only CPC only CPC only
G01J 2003/1286 2nd only CPC only CPC only
G01J 2003/1291 2nd only CPC only CPC only
G01J 2003/1295 2nd only CPC only CPC only
G01J 3/1256 CPC only CPC only
G01J 3/14 using refracting elements, e.g. prisms (G01J3/18, G01J3/26 take precedence ) +1 CPC IPC+CPC Available in IPC and CPC
G01J 3/18 using diffraction elements, e.g. grating (gratings per se G02B) +12 CPC IPC+CPC Available in IPC and CPC
G01J 3/26 using multiple reflection, e.g. Fabry-Perot interferometer, variable interference filters +3 CPC IPC+CPC Available in IPC and CPC

Class G01,2013–2023, worldwide · Source: EPO PATSTAT

Class G01,2013–2023, worldwide · Source: EPO PATSTAT