4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Optical or pre-photocell system

David D. Bohn

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Beam splitter for use in a color imaging assembly

Optical: systems and elements – Single channel simultaneously to or from plural channels – By partial reflection at beam splitting or combining surface
Patent

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Beam splitter/combiner with path length compensator and method f

Optical: systems and elements – Single channel simultaneously to or from plural channels
Patent

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Beam splitter/combiner with path length compensator and method f

Optical: systems and elements – Single channel simultaneously to or from plural channels
Patent

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Compact illumination system for image scanner

Illumination – Plural light sources – With modifier
Patent

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Computer input device with multi-purpose light guide

Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Reexamination Certificate

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Profile ID: LFUS-PAI-P-280705

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