Optical apparatus for varying the lengths of optical path of col

Optical arrangement for developing fundamental primary colors

Optical assembly for a camera having an image sensor and method

Optical assembly for color television

Optical assembly for projection television receiver

Optical chromakey field

Optical color document reading apparatus wherein an image is blu

Optical color line scanning and imaging device having a roller d

Optical color-separation system for use in a color television ca

Optical color-separation system for use in a color television ca

Optical comb filter

Optical communication and display system

Optical configuration for projection television apparatus

Optical conversion method

Optical coupling apparatus for coupling an arthoscope to a camer

Optical data processing using photo-detector array and...

Optical decoder

Optical diffractometers

Optical disc supply and interface for digital copier machine

Optical disc supply and interface for digital copier machine