Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00

Child Classifications

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• G02B 27/0006 CPC only CPC only
• G02B 27/0012 CPC only CPC only
• G02B 27/0018 CPC only CPC only
• G02B 27/0025 +4 CPC CPC only CPC only
• G02B 27/0075 CPC only CPC only
• G02B 27/0081 CPC only CPC only
• G02B 27/0087 CPC only CPC only
• G02B 27/0093 CPC only CPC only
• G02B 27/01 Head-up displays since 1995 +6 CPC IPC+CPC Available in IPC and CPC
• G02B 27/02 Viewing or reading apparatus (stereoscopic systems G02B30/00) +3 CPC IPC+CPC Available in IPC and CPC
• G02B 27/09 Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for since 1995 +6 CPC IPC+CPC Available in IPC and CPC
• G02B 27/10 Beam splitting or combining systems (polarising systems G02B27/28; mixing and splitting light signals using optical waveguides G02B6/28; ) +6 CPC IPC+CPC Available in IPC and CPC
• G02B 27/18 for optical projection, e.g. combination of mirror and condenser and objective IPC+CPC Available in IPC and CPC
• G02B 27/28 for polarising (used in stereoscopes G02B30/25) +4 CPC IPC+CPC Available in IPC and CPC
• G02B 27/30 Collimators IPC+CPC Available in IPC and CPC
• G02B 27/32 Fiducial marks and measuring scales within the optical system IPC+CPC Available in IPC and CPC
• G02B 27/40 Optical focusing aids IPC+CPC Available in IPC and CPC
• G02B 27/42 Diffraction optics (G02B27/60 takes precedence) since 1980 +8 CPC IPC+CPC Available in IPC and CPC
• G02B 27/48 Laser speckle optics since 1980 IPC+CPC Available in IPC and CPC
• G02B 27/50 Optics for phase object visualisation since 1980 IPC+CPC Available in IPC and CPC
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